name remaining entity fields

127 files changed, 1088 insertions, 1088 deletions

diff --git a/src/object/ambientClouds.c b/src/object/ambientClouds.c
index 22fa0964..acddf0c1 100644
--- a/src/object/ambientClouds.c
+++ b/src/object/ambientClouds.c
@@ -82,12 +82,12 @@ void sub_08089944(Entity* this) {
         this->spriteRendering.b3 = 0;
         if ((this->type2 == 1) || (this->child->action == 2)) {
             if (gPlayerEntity.z.HALF.HI < -0x24)
-                this->actionDelay = 1;
+                this->timer = 1;
             else
-                this->actionDelay = 0;
+                this->timer = 0;
             this->y.HALF.HI += (this->type2 - 1) * -0x24;
             iVar1 = EntityInRectRadius(this, &gPlayerEntity, 0xf, 0xf);
-            if ((iVar1 != 0) && (this->actionDelay != 0)) {
+            if ((iVar1 != 0) && (this->timer != 0)) {
                 this->action = 2;
                 this->spriteOrientation.flipY = 2;
                 this->spriteRendering.b3 = 3;
@@ -98,7 +98,7 @@ void sub_08089944(Entity* this) {
                 gPlayerEntity.y.HALF.HI -= 0x24;
                 gPlayerEntity.z.HALF.HI += 0x24;
                 sub_0807AA80(&gPlayerEntity);
-                if (this->field_0xf == 0) {
+                if (this->subtimer == 0) {
                     pEVar2 = CreateFx(&gPlayerEntity, FX_DEATH, 0);
                     if (pEVar2 != NULL) {
                         pEVar2->x.HALF.HI += 8;
@@ -118,7 +118,7 @@ void sub_08089944(Entity* this) {
                 }
             }
             this->y.HALF.HI += (this->type2 - 1) * 0x24;
-            this->field_0xf = this->actionDelay;
+            this->subtimer = this->timer;
         }
     }
 }
diff --git a/src/object/angryStatue.c b/src/object/angryStatue.c
index f1feeb36..f997a69f 100644
--- a/src/object/angryStatue.c
+++ b/src/object/angryStatue.c
@@ -29,7 +29,7 @@ void AngryStatue_Init(Entity* this) {
 }
 
 void AngryStatue_Action1(Entity* this) {
-    if (this->parent->field_0xf == 1) {
+    if (this->parent->subtimer == 1) {
         this->action = 2;
         InitializeAnimation(this, this->type + 4);
     }
@@ -62,9 +62,9 @@ void AngryStatue_Action2(Entity* this) {
 }
 
 void AngryStatue_Action3(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 4;
-        this->actionDelay = 15;
+        this->timer = 15;
         InitializeAnimation(this, this->type);
     } else {
         this->parent->z.BYTES.byte2 |= 1 << this->type2;
@@ -73,7 +73,7 @@ void AngryStatue_Action3(Entity* this) {
 
 void AngryStatue_Action4(Entity* this) {
     this->spriteSettings.draw ^= 1;
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 1;
         this->spriteSettings.draw = 1;
     }
diff --git a/src/object/backgroundCloud.c b/src/object/backgroundCloud.c
index 176bdd58..617ce505 100644
--- a/src/object/backgroundCloud.c
+++ b/src/object/backgroundCloud.c
@@ -21,7 +21,7 @@ void sub_0808F658(Entity* this) {
     this->field_0x7a.HWORD = gRoomControls.origin_x + gRoomControls.width + 0x60;
     this->animationState = 0;
     this->x.HALF.HI += (Random() & 0xf) << 4;
-    this->actionDelay = 0;
+    this->timer = 0;
     this->subAction = 0;
 }
 
@@ -35,7 +35,7 @@ void sub_0808F6E0(Entity* this) {
 void sub_0808F70C(Entity* this) {
     if (this->subAction == 0) {
         this->subAction = 1;
-        this->actionDelay = ((Random() & 7) << 3) + 31;
+        this->timer = ((Random() & 7) << 3) + 31;
 
         if ((this->direction & 0x10)) {
             this->x.HALF.HI = this->field_0x7a.HWORD;
@@ -48,7 +48,7 @@ void sub_0808F70C(Entity* this) {
     }
 
     if (this->subAction == 1) {
-        if (--this->actionDelay == 0) {
+        if (--this->timer == 0) {
             this->action = 1;
             this->subAction = 0;
         }
diff --git a/src/object/bakerOven.c b/src/object/bakerOven.c
index d4b26c28..8f77955f 100644
--- a/src/object/bakerOven.c
+++ b/src/object/bakerOven.c
@@ -31,10 +31,10 @@ void sub_0809CC74(Entity* this) {
     } else {
         if (this->type2 & 1) {
             this->spriteSettings.draw = 1;
-            this->actionDelay = 20;
+            this->timer = 20;
         } else {
             this->action = 2;
-            this->actionDelay = (this->type2 & 2) ? 20 : 18;
+            this->timer = (this->type2 & 2) ? 20 : 18;
         }
         InitializeAnimation(this, 0);
     }
@@ -57,9 +57,9 @@ void sub_0809CD0C(Entity* this) {
         }
 
         /* Damage minish link if he touches a steam cloud */
-        if (this->field_0xf == 0 && gPlayerEntity.iframes == 0 && this->frameIndex &&
+        if (this->subtimer == 0 && gPlayerEntity.iframes == 0 && this->frameIndex &&
             sub_0806FC80(this, &gPlayerEntity, 4)) {
-            this->field_0xf++;
+            this->subtimer++;
             ModHealth(-2);
             SoundReqClipped(&gPlayerEntity, SFX_PLY_VO6);
             gPlayerEntity.iframes = 16;
@@ -72,10 +72,10 @@ void sub_0809CD0C(Entity* this) {
 
 void sub_0809CDB4(Entity* this) {
     /* Reset cloud position and start animation. */
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 1;
-        this->actionDelay = 30;
-        this->field_0xf = 0;
+        this->timer = 30;
+        this->subtimer = 0;
         this->spriteSettings.draw = 1;
         this->y.HALF.HI = this->parent->y.HALF.HI - 0xe;
         InitializeAnimation(this, 0);
diff --git a/src/object/barrelInside.c b/src/object/barrelInside.c
index ea09fd37..fee1a436 100644
--- a/src/object/barrelInside.c
+++ b/src/object/barrelInside.c
@@ -9,8 +9,8 @@ void BarrelInside(Entity* this) {
         this->action = 1;
         this->spriteSettings.draw = 1;
         this->frameIndex = this->type;
-        this->actionDelay = 0x10;
-        this->field_0xf = 1;
+        this->timer = 0x10;
+        this->subtimer = 1;
         ptr = gUnk_08120C80 + this->type * 3;
         this->spriteRendering.b3 = *ptr;
         this->spritePriority.b0 = *(ptr + 1);
@@ -18,11 +18,11 @@ void BarrelInside(Entity* this) {
     }
 
     if (this->type == 4) {
-        if (--this->actionDelay == 0) {
-            this->actionDelay = 0x10;
-            this->frameIndex = gUnk_08120C92[this->field_0xf++];
-            if (this->field_0xf == 3) {
-                this->field_0xf = 0;
+        if (--this->timer == 0) {
+            this->timer = 0x10;
+            this->frameIndex = gUnk_08120C92[this->subtimer++];
+            if (this->subtimer == 3) {
+                this->subtimer = 0;
             }
         }
     }
diff --git a/src/object/beanstalk.c b/src/object/beanstalk.c
index 5dace1cc..ee4a6ab0 100644
--- a/src/object/beanstalk.c
+++ b/src/object/beanstalk.c
@@ -76,8 +76,8 @@ void Beanstalk_Init(BeanstalkEntity* this) {
             return;
         }
 #endif
-        if (super->type2 == 0 && super->actionDelay != 0) {
-            if (CheckLocalFlag(super->actionDelay) == 0) {
+        if (super->type2 == 0 && super->timer != 0) {
+            if (CheckLocalFlag(super->timer) == 0) {
                 return;
             }
             super->spriteOrientation.flipY = 2;
@@ -104,22 +104,22 @@ void Beanstalk_Init(BeanstalkEntity* this) {
         case 5:
         case 6:
             super->spriteVramOffset = 0x1c0;
-            super->actionDelay = 0;
+            super->timer = 0;
             break;
         case 7:
             switch (super->type2) {
                 case 0:
                     this->unk_6c = 0x10;
-                    super->actionDelay = 0;
+                    super->timer = 0;
                     do {
                         obj = CreateObject(BEANSTALK, 7, 1);
                         super->child = obj;
                         if (obj != NULL) {
                             obj->x.HALF.HI = super->x.HALF.HI;
                             (super->child)->y.HALF.HI = super->y.HALF.HI - (s16)this->unk_6c;
-                            super->field_0xf = 4;
-                            while (--super->field_0xf != 0) {
-                                ptr = &gUnk_08120DFC[super->actionDelay];
+                            super->subtimer = 4;
+                            while (--super->subtimer != 0) {
+                                ptr = &gUnk_08120DFC[super->timer];
                                 obj = CreateObject(BEANSTALK, 7, ptr->type - 2);
                                 super->child = obj;
                                 if (obj != NULL) {
@@ -127,15 +127,15 @@ void Beanstalk_Init(BeanstalkEntity* this) {
                                     (super->child)->y.HALF.HI = (super->y.HALF.HI - (s16)this->unk_6c) - ptr->y;
                                     super->child->spriteSettings.flipX = ptr->flipX;
                                 }
-                                super->actionDelay++;
+                                super->timer++;
                             }
-                            if (super->actionDelay > 5) {
-                                super->actionDelay = 0;
+                            if (super->timer > 5) {
+                                super->timer = 0;
                             }
                         }
                         this->unk_6c += 0x38;
                     } while (((s16)(super->y.HALF_U.HI - this->unk_6c)) >= gRoomControls.origin_y);
-                    super->actionDelay = 1;
+                    super->timer = 1;
                     break;
                 case 2:
                 case 3:
@@ -170,19 +170,19 @@ void Beanstalk_Action1Type0(BeanstalkEntity* this) {
 void Beanstalk_Action1Type0SubAction0(BeanstalkEntity* this) {
     UpdateAnimationSingleFrame(super);
     if ((super->frame & ANIM_DONE) != 0) {
-        if (super->actionDelay < 2) {
-            super->actionDelay++;
+        if (super->timer < 2) {
+            super->timer++;
         } else {
             InitAnimationForceUpdate(super, 1);
-            super->actionDelay = 0x10;
+            super->timer = 0x10;
             super->subAction++;
         }
     }
 }
 
 void Beanstalk_Action1Type0SubAction1(BeanstalkEntity* this) {
-    if (super->actionDelay-- == 0) {
-        super->actionDelay = 0x10;
+    if (super->timer-- == 0) {
+        super->timer = 0x10;
         SoundReq(SFX_198);
     }
     UpdateAnimationSingleFrame(super);
@@ -205,8 +205,8 @@ void Beanstalk_Action1Type0SubAction1(BeanstalkEntity* this) {
 }
 
 void Beanstalk_Action1Type0SubAction2(BeanstalkEntity* this) {
-    if (super->actionDelay-- == 0) {
-        super->actionDelay = 0x10;
+    if (super->timer-- == 0) {
+        super->timer = 0x10;
         SoundReq(SFX_198);
     }
 }
@@ -217,15 +217,15 @@ void Beanstalk_Action1Type2(BeanstalkEntity* this) {
 
     GetNextFrame(super);
     if ((super->frame & 1) != 0) {
-        ptr = &gUnk_08120DFC[super->actionDelay];
+        ptr = &gUnk_08120DFC[super->timer];
         super->child = CreateObject(BEANSTALK, ptr->type, 0);
         if (super->child != NULL) {
             super->child->x.HALF.HI = super->x.HALF.HI + ptr->x;
             super->child->y.HALF.HI = super->y.HALF.HI - ptr->y;
             super->child->spriteSettings.flipX = ptr->flipX;
         }
-        if (++super->actionDelay > 5) {
-            super->actionDelay = 0;
+        if (++super->timer > 5) {
+            super->timer = 0;
         }
     }
     if ((super->frame & ANIM_DONE) != 0) {
@@ -253,7 +253,7 @@ void Beanstalk_Action1Type1(BeanstalkEntity* this) {
 void Beanstalk_Action1Type7(BeanstalkEntity* this) {
     switch (super->type2) {
         case 0:
-            if (super->actionDelay == 0) {
+            if (super->timer == 0) {
                 return;
             }
             this->unk_6c = gRoomControls.origin_y;
@@ -269,7 +269,7 @@ void Beanstalk_Action1Type7(BeanstalkEntity* this) {
                     break;
                 }
             }
-            super->actionDelay = 0;
+            super->timer = 0;
             return;
             break;
         case 1:
@@ -279,15 +279,15 @@ void Beanstalk_Action1Type7(BeanstalkEntity* this) {
         case 4:
             if (gPlayerState.floor_type == 0x1e) {
                 if (EntityInRectRadius(super, &gPlayerEntity, 0, 8)) {
-                    if ((super->animIndex == (super->type2 - 1) * 3 + 1) && (super->actionDelay == 0)) {
-                        super->actionDelay = 1;
+                    if ((super->animIndex == (super->type2 - 1) * 3 + 1) && (super->timer == 0)) {
+                        super->timer = 1;
                         InitializeAnimation(super, super->animIndex + 1);
                     }
                 } else {
-                    super->actionDelay = 0;
+                    super->timer = 0;
                 }
             } else {
-                super->actionDelay = 0;
+                super->timer = 0;
             }
             GetNextFrame(super);
             if ((super->frame & ANIM_DONE) != 0) {
@@ -319,7 +319,7 @@ void Beanstalk_Action1Type8SubAction0(BeanstalkEntity* this) {
         obj->spriteVramOffset = super->spriteVramOffset;
         obj->palette.b.b0 = super->palette.b.b0;
         obj->animIndex = 2;
-        obj->actionDelay = 0x80;
+        obj->timer = 0x80;
         obj->type = 1;
         obj->spriteRendering.b3 = 2;
         obj->spritePriority.b0 = 6;
diff --git a/src/object/bigBarrel.c b/src/object/bigBarrel.c
index 77e6ff6a..3bb56c73 100644
--- a/src/object/bigBarrel.c
+++ b/src/object/bigBarrel.c
@@ -59,30 +59,30 @@ void sub_08088A68(BigBarrelEntity* this) {
     } else {
         if (gRoomVars.animFlags & 1) {
             gRoomVars.animFlags &= ~1;
-            super->actionDelay = 1;
+            super->timer = 1;
             this->unk68 = gUnk_08120C1C;
             SoundReq(SFX_BARREL_ENTER);
         }
         if (gRoomVars.animFlags & 2) {
             gRoomVars.animFlags &= ~2;
-            super->actionDelay = 1;
+            super->timer = 1;
             this->unk68 = gUnk_08120C25;
             SoundReq(SFX_BARREL_RELEASE);
         }
         if (gRoomVars.animFlags & 4) {
             gRoomVars.animFlags &= ~4;
-            super->actionDelay = 1;
+            super->timer = 1;
             this->unk68 = gUnk_08120C2E;
             SoundReq(SFX_BARREL_ENTER);
         }
-        if (super->actionDelay) {
-            if (super->actionDelay-- == 1) {
+        if (super->timer) {
+            if (super->timer-- == 1) {
                 pcVar3 = this->unk68;
                 uVar3 = pcVar3[0];
                 *(u8*)&super->spriteOffsetY = uVar3;
                 pcVar3++;
                 if (*pcVar3 != 0xff) {
-                    super->actionDelay = 8;
+                    super->timer = 8;
                     this->unk68 = pcVar3;
                 } else {
                     super->spriteOffsetY = 0;
@@ -154,8 +154,8 @@ void sub_08088C9C(BigBarrelEntity* this) {
             } else {
                 localFlag = 22;
             }
-            super->field_0xf = localFlag;
-            if (CheckLocalFlag(super->field_0xf) == 0) {
+            super->subtimer = localFlag;
+            if (CheckLocalFlag(super->subtimer) == 0) {
                 return;
             }
 
@@ -163,7 +163,7 @@ void sub_08088C9C(BigBarrelEntity* this) {
             super->action = 4;
             break;
         case 1:
-            if (CheckLocalFlag(super->field_0xf) == 0) {
+            if (CheckLocalFlag(super->subtimer) == 0) {
                 return;
             }
             super->action = 2;
@@ -175,12 +175,12 @@ void sub_08088C9C(BigBarrelEntity* this) {
             gRoomVars.animFlags &= ~0x20;
             super->action = 3;
             super->subAction = 4;
-            super->actionDelay = 1;
+            super->timer = 1;
         case 3:
-            if (--super->actionDelay) {
+            if (--super->timer) {
                 return;
             }
-            super->actionDelay = 8;
+            super->timer = 8;
             x = super->x.HALF.HI;
             if (super->type2) {
                 super->x.HALF.HI = x - 2;
@@ -209,7 +209,7 @@ void sub_08088DB4(BigBarrelEntity* this) {
         case 1:
             if (CheckLocalFlag(super->type2)) {
                 super->action++;
-                super->actionDelay = 10;
+                super->timer = 10;
             }
             break;
         case 2:
@@ -218,15 +218,15 @@ void sub_08088DB4(BigBarrelEntity* this) {
             if ((gRoomVars.animFlags & 8) == 0) {
                 return;
             }
-            if (--super->actionDelay) {
+            if (--super->timer) {
                 return;
             }
-            super->actionDelay = 0x1e;
+            super->timer = 0x1e;
             super->frameIndex++;
             super->action++;
             break;
         default:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 gRoomVars.animFlags &= ~0x8;
                 DeleteEntity(super);
             }
@@ -277,7 +277,7 @@ void sub_08088F20(BigBarrelEntity* this) {
                 return;
             }
             super->action = 2;
-            super->actionDelay = 30;
+            super->timer = 30;
             RequestPriorityDuration(super, 0x10e);
             pEVar3 = CreateObject(OBJECT_2A, 1, 0);
             if (pEVar3 != NULL) {
@@ -290,7 +290,7 @@ void sub_08088F20(BigBarrelEntity* this) {
             SetTileType(0x76, COORD_TO_TILE(super), 2);
             break;
         case 2:
-            if (--super->actionDelay) {
+            if (--super->timer) {
                 return;
             }
             sub_08089094(this);
@@ -301,10 +301,10 @@ void sub_08088F20(BigBarrelEntity* this) {
                 return;
             }
             super->action = 4;
-            super->actionDelay = 0x78;
+            super->timer = 0x78;
             break;
         default:
-            if (--super->actionDelay == 0x5a) {
+            if (--super->timer == 0x5a) {
                 if (CheckLocalFlags(0x15, 2)) {
                     gRoomVars.animFlags |= 2;
                 } else {
@@ -312,7 +312,7 @@ void sub_08088F20(BigBarrelEntity* this) {
                 }
                 gRoomVars.animFlags |= 0x20;
             }
-            if (super->actionDelay == 0) {
+            if (super->timer == 0) {
                 gRoomVars.animFlags &= ~0x10;
                 if (CheckLocalFlags(0x15, 2)) {
                     RequestPriorityDuration(super, 0x3c);
diff --git a/src/object/bigIceBlock.c b/src/object/bigIceBlock.c
index f86ac054..e3251336 100644
--- a/src/object/bigIceBlock.c
+++ b/src/object/bigIceBlock.c
@@ -48,7 +48,7 @@ void BigIceBlock_Init(BigIceBlockEntity* this) {
     super->action = 1;
     super->flags |= 0x80;
     super->updatePriority = 3;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hurtType = 0x48;
     super->hitType = 1;
     super->flags2 = 0x80;
@@ -64,7 +64,7 @@ void BigIceBlock_Init(BigIceBlockEntity* this) {
 void BigIceBlock_Action1(BigIceBlockEntity* this) {
     if (sub_0809963C(this)) {
         super->action = 2;
-        super->actionDelay = 0;
+        super->timer = 0;
         EnqueueSFX(SFX_ICE_BLOCK_MELT);
         BigIceBlock_Action2(this);
     }
@@ -73,20 +73,20 @@ void BigIceBlock_Action1(BigIceBlockEntity* this) {
 void BigIceBlock_Action2(BigIceBlockEntity* this) {
     u32 tmp;
     if (!sub_0809963C(this)) {
-        if (super->actionDelay >= 2) {
-            super->actionDelay -= 2;
+        if (super->timer >= 2) {
+            super->timer -= 2;
         } else {
-            super->actionDelay = 0;
+            super->timer = 0;
         }
-        if (super->actionDelay == 0) {
+        if (super->timer == 0) {
             super->action = 1;
             sub_0805EC60(super);
             return;
         }
     } else {
-        super->actionDelay += 1;
+        super->timer += 1;
     }
-    tmp = gUnk_081237B0[super->actionDelay >> 5];
+    tmp = gUnk_081237B0[super->timer >> 5];
     SetAffineInfo(super, 0x100, tmp, 0);
     if (super->type != 1) {
         if (super->type != 2) {
@@ -96,7 +96,7 @@ void BigIceBlock_Action2(BigIceBlockEntity* this) {
         }
     }
     super->action = 3;
-    super->actionDelay = 0x3c;
+    super->timer = 0x3c;
     super->flags &= 0x7f;
 }
 
@@ -107,13 +107,13 @@ void sub_08099880(BigIceBlockEntity* this) {
     u32 uVar4;
     s32 x;
 
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         DeleteThisEntity();
     } else {
-        if (super->actionDelay == 0x30) {
+        if (super->timer == 0x30) {
             sub_08099C18(this);
         }
-        uVar4 = (0x3c - super->actionDelay) * 0x20 + 0x100;
+        uVar4 = (0x3c - super->timer) * 0x20 + 0x100;
         SetAffineInfo(super, 0x100, uVar4, 0);
         sub_0806FCF4(super, uVar4, 2, 0);
         obj = CreateObject(SPECIAL_FX, 0x11, 0x40);
diff --git a/src/object/bigVortex.c b/src/object/bigVortex.c
index 00e43c6b..2aa0f349 100644
--- a/src/object/bigVortex.c
+++ b/src/object/bigVortex.c
@@ -42,7 +42,7 @@ void sub_08098D6C(Entity* this) {
 
     if (CheckFlags(this->field_0x86.HWORD)) {
         this->action = 2;
-        this->actionDelay = 0x2d;
+        this->timer = 0x2d;
         ent = CreateFx(this, FX_BIG_EXPLOSION2, 0);
         if (ent != NULL) {
             ent->y.HALF.HI += 8;
@@ -51,7 +51,7 @@ void sub_08098D6C(Entity* this) {
 }
 
 void sub_08098D9C(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 3;
         this->spriteSettings.draw = TRUE;
         sub_08098E88(this);
diff --git a/src/object/bird.c b/src/object/bird.c
index c798c6f5..78798b49 100644
--- a/src/object/bird.c
+++ b/src/object/bird.c
@@ -45,8 +45,8 @@ void Bird_Type0_Init(Entity* this) {
 
     this->action++;
     this->spriteSettings.draw = TRUE;
-    this->actionDelay = 0x31;
-    this->field_0xf = 1;
+    this->timer = 0x31;
+    this->subtimer = 1;
     this->zVelocity = Q_16_16(-1.5);
     this->z.WORD = Q_16_16(-56.75);
     this->field_0x68.HWORD = Q_16_16(-0.03125);
@@ -68,9 +68,9 @@ void Bird_Type0_Init(Entity* this) {
 void Bird_Type0_Action1(Entity* this) {
     LinearMoveUpdate(this);
     GravityUpdate(this, *(s16*)&this->field_0x68.HWORD);
-    if (this->actionDelay != 0) {
-        if (--this->actionDelay == 0) {
-            this->field_0xf = 0;
+    if (this->timer != 0) {
+        if (--this->timer == 0) {
+            this->subtimer = 0;
         }
     } else if (CheckOnScreen(this) == 0) {
         DeleteThisEntity();
@@ -105,7 +105,7 @@ void Bird_Type1_Action1_Subaction0(Entity* this) {
     u32 temp;
 
     if (this->parent != NULL) {
-        temp = this->parent->field_0xf;
+        temp = this->parent->subtimer;
         if (temp != 0) {
             PositionRelative(this->parent, this, 0, Q_16_16(8.0));
         } else {
@@ -183,9 +183,9 @@ void Bird_Type8(Entity* this) {
 
     switch (this->action) {
         case 0:
-            if (this->actionDelay != 0) {
+            if (this->timer != 0) {
                 this->frameIndex = 0xff;
-                this->actionDelay--;
+                this->timer--;
                 return;
             }
             this->action = 1;
@@ -221,7 +221,7 @@ void Bird_Type8(Entity* this) {
                     if (pEVar5 != NULL) {
                         this->child = pEVar5;
                         this->action = 2;
-                        this->actionDelay = 8;
+                        this->timer = 8;
                         this->speed = 0x300;
                         this->field_0x68.HWORD = 0xe000;
                         PlayerDropHeldObject();
@@ -249,17 +249,17 @@ void Bird_Type8(Entity* this) {
     pEVar5 = this->child;
     if (pEVar5 != NULL) {
         if (gPlayerEntity.x.HALF.HI < this->x.HALF.HI - 8) {
-            this->actionDelay = 0;
+            this->timer = 0;
         }
 
-        if (this->actionDelay == 0) {
+        if (this->timer == 0) {
             PositionRelative(this, pEVar5, 0xfff80000, 0);
             pEVar5->z.HALF.HI += 0x18;
             pEVar5->spritePriority.b0 = this->spritePriority.b0;
             pEVar5->spriteRendering.b3 = this->spriteRendering.b3;
             pEVar5->spriteOrientation.flipY = this->spriteOrientation.flipY;
         } else {
-            this->actionDelay--;
+            this->timer--;
             CopyPosition(&gPlayerEntity, pEVar5);
         }
     }
@@ -375,7 +375,7 @@ void CreateBird(void) {
         if (!FindEntity(OBJECT, BIRD, 6, 8, 0)) {
             birdEnt = CreateObject(BIRD, 8, 0);
             if (birdEnt != NULL) {
-                birdEnt->actionDelay = 0;
+                birdEnt->timer = 0;
             }
         }
     }
diff --git a/src/object/blockPushed.c b/src/object/blockPushed.c
index 58280fcd..387518f6 100644
--- a/src/object/blockPushed.c
+++ b/src/object/blockPushed.c
@@ -38,7 +38,7 @@ void sub_08082EB4(BlockPushedEntity* this) {
         super->spriteSettings.draw = 1;
     }
     super->action = 1;
-    super->actionDelay = 0x20;
+    super->timer = 0x20;
     super->speed = 0x80;
     super->spritePriority.b0 = 6;
     pos = COORD_TO_TILE(super);
@@ -93,7 +93,7 @@ void sub_08082EB4(BlockPushedEntity* this) {
 void sub_08083094(BlockPushedEntity* this) {
     LinearMoveUpdate(super);
     sub_0800445C(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         sub_080830B8(this);
     }
 }
diff --git a/src/object/book.c b/src/object/book.c
index 3c9e12b5..05af98ed 100644
--- a/src/object/book.c
+++ b/src/object/book.c
@@ -45,8 +45,8 @@ void sub_0809B3C4(Entity* this) {
     switch (this->type2) {
         case 0:
             this->action = 1;
-            this->actionDelay = 22;
-            this->field_0xf = 2;
+            this->timer = 22;
+            this->subtimer = 2;
             this->field_0x80.HALF.LO = 0;
             this->spritePriority.b0 = 3;
             break;
@@ -82,12 +82,12 @@ void sub_0809B4A8(Entity* this) {
     }
 
     if (sub_0809B688(this)) {
-        if (--this->actionDelay) {
+        if (--this->timer) {
             return;
         }
 
         this->action = 2;
-        this->actionDelay = 30;
+        this->timer = 30;
         this->speed = 0x40;
         this->direction = 0x10;
 
@@ -100,19 +100,19 @@ void sub_0809B4A8(Entity* this) {
         gPlayerEntity.direction = gPlayerEntity.animationState << 2;
         EnqueueSFX(SFX_10F);
     } else {
-        this->actionDelay = 22;
+        this->timer = 22;
     }
 }
 
 void sub_0809B524(Entity* this) {
-    if (--this->actionDelay == 0) {
-        if (--this->field_0xf == 0) {
+    if (--this->timer == 0) {
+        if (--this->subtimer == 0) {
             this->action = 3;
             this->y.HALF.HI += 0x20;
             this->z.HALF.HI -= 0x20;
         } else {
             this->action = 1;
-            this->actionDelay = 22;
+            this->timer = 22;
             this->field_0x80.HALF.LO = 0x18;
         }
     }
diff --git a/src/object/bossDoor.c b/src/object/bossDoor.c
index 0d1844e1..dd199b79 100644
--- a/src/object/bossDoor.c
+++ b/src/object/bossDoor.c
@@ -105,7 +105,7 @@ void BossDoor_Action2(BossDoorEntity* this) {
 
 void BossDoor_Action3(BossDoorEntity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         if (super->type < 4) {
             sub_08078AC0(0x40, 0, 1);
             gPlayerEntity.direction = super->type << 3;
@@ -120,7 +120,7 @@ void BossDoor_Action4(BossDoorEntity* this) {
 
     if (sub_08083734(super, this->unk_76)) {
         super->action = 5;
-        super->actionDelay = 0xc;
+        super->timer = 0xc;
         super->spriteSettings.draw = 1;
         super->direction = *(u8*)&this->unk_76 << 3 ^ 0x10;
         ptr = &gUnk_081214F4[this->unk_76 * 2];
@@ -136,7 +136,7 @@ void BossDoor_Action5(BossDoorEntity* this) {
     const s8* ptr;
 
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 6;
         super->z.HALF.HI = 0;
         super->x.HALF.HI = this->unk_70;
@@ -166,7 +166,7 @@ void sub_0808C4BC(BossDoorEntity* this) {
     static const s8 gUnk_0812150C[] = { 0, -2, 2, 0, 0, 2, -2, 0 };
     const s8* ptr;
     super->action = 3;
-    super->actionDelay = 0xc;
+    super->timer = 0xc;
     super->direction = this->unk_76 * 8;
     ptr = &gUnk_0812150C[this->unk_76 * 2];
     super->x.HALF.HI += ptr[0];
diff --git a/src/object/button.c b/src/object/button.c
index d4f602ba..20a34d21 100644
--- a/src/object/button.c
+++ b/src/object/button.c
@@ -44,7 +44,7 @@ void sub_08081FF8(Entity*);
 void sub_08081BAC(Entity* this) {
     if (sub_08081CB0(this)) {
         this->subAction = 0;
-        this->actionDelay = 0xA;
+        this->timer = 0xA;
         RequestPriorityDuration(this, 0xA);
         sub_08081FF8(this);
         if (this->type == 1) {
@@ -64,11 +64,11 @@ void sub_08081BE0(Entity* this) {
         return;
     if (!sub_08081D28(this)) {
         this->action = 4;
-        this->field_0xf = 1;
+        this->subtimer = 1;
         if ((gPlayerState.heldObject == 2) || (!(gPlayerState.field_0x35 & 0x80))) {
-            this->actionDelay = 0x18;
+            this->timer = 0x18;
         } else {
-            this->actionDelay = 0x8;
+            this->timer = 0x8;
         }
     } else {
         sub_08081E6C(this);
@@ -76,15 +76,15 @@ void sub_08081BE0(Entity* this) {
 }
 
 void sub_08081C30(Entity* this) {
-    if (this->actionDelay != 0) {
-        this->actionDelay--;
-        if (this->field_0xf != 0) {
-            this->field_0xf = 0;
+    if (this->timer != 0) {
+        this->timer--;
+        if (this->subtimer != 0) {
+            this->subtimer = 0;
             SetTile(0x4035, this->field_0x74.HWORD, this->collisionLayer);
         }
         if (sub_08081CB0(this)) {
             this->action = 3;
-            this->actionDelay = 0;
+            this->timer = 0;
         }
     } else {
         this->action = 2;
@@ -239,13 +239,13 @@ void sub_08081F24(Entity* this) {
 
 u32 sub_08081F7C(Entity* this, u32 r7) {
     u16 tmp;
-    if (this->actionDelay == 0)
+    if (this->timer == 0)
         return 1;
-    if (--this->actionDelay > 6) {
+    if (--this->timer > 6) {
         if (this->child != NULL)
             this->child->spriteOffsetY = -4;
     } else {
-        if (this->actionDelay == 6) {
+        if (this->timer == 6) {
             SetFlag(this->field_0x86.HWORD);
             SetTileType(r7, this->field_0x74.HWORD, this->collisionLayer);
             sub_08081F24(this);
diff --git a/src/object/chestSpawner.c b/src/object/chestSpawner.c
index af493443..af7f4adb 100644
--- a/src/object/chestSpawner.c
+++ b/src/object/chestSpawner.c
@@ -102,7 +102,7 @@ void ChestSpawner_Type2Action1(ChestSpawnerEntity* this) {
         gPauseMenuOptions.disabled = 1;
         super->action = 2;
         super->subAction = 0;
-        super->field_0xf = 0x1e;
+        super->subtimer = 0x1e;
         super->spriteSettings.draw = 1;
         super->spriteRendering.alphaBlend = 1;
         RequestPriorityDuration(super, 0x1e);
@@ -125,17 +125,17 @@ void ChestSpawner_Type2Action2(ChestSpawnerEntity* this) {
         case 1:
             if ((super->type == 5) || (gPlayerEntity.action == 1)) {
                 super->subAction = 2;
-                super->actionDelay = 8;
-                super->field_0xf = 0;
+                super->timer = 8;
+                super->subtimer = 0;
                 SoundReq(SFX_14A);
             }
             break;
         default:
             sub_0800445C(super);
             CreateMagicSparkles(super->x.HALF.HI, super->y.HALF.HI, 2);
-            if (--super->actionDelay == 0) {
-                super->actionDelay = 8;
-                tmp = ++super->field_0xf;
+            if (--super->timer == 0) {
+                super->timer = 8;
+                tmp = ++super->subtimer;
                 gScreen.controls.alphaBlend = (((0x10 - tmp) * 0x100) & 0xff00) | tmp;
                 if (gScreen.controls.alphaBlend == 0x10) {
                     gPauseMenuOptions.disabled = 0;
@@ -152,7 +152,7 @@ void ChestSpawner_Type2Action3(ChestSpawnerEntity* this) {
     sub_0800445C(super);
     if (super->interactType != 0) {
         super->action = 4;
-        super->field_0xf = 0x1e;
+        super->subtimer = 0x1e;
         sub_080788E0(super);
         RequestPriorityDuration(super, 0x3c);
         SoundReq(SFX_CHEST_OPEN);
@@ -163,11 +163,11 @@ void ChestSpawner_Type2Action4(ChestSpawnerEntity* this) {
     sub_0800445C(super);
     GetNextFrame(super);
     if ((super->frame & ANIM_DONE) != 0) {
-        if (--super->field_0xf == 0) {
-            if (super->actionDelay == 0x18) {
+        if (--super->subtimer == 0) {
+            if (super->timer == 0x18) {
                 super->action = 6;
-                super->actionDelay = 8;
-                super->field_0xf = 0x10;
+                super->timer = 8;
+                super->subtimer = 0x10;
             } else {
                 super->action = 5;
                 sub_08084074(super->type2);
@@ -195,7 +195,7 @@ void sub_080840A8(s32 param_1, s32 param_2) {
     static const s8 gUnk_0811F850[] = { -6, 0, 0, 6 };
     Entity* obj = CreateObject(GROUND_ITEM, gUnk_0811F838[Random() & 7], 0);
     if (obj != NULL) {
-        obj->actionDelay = 6;
+        obj->timer = 6;
         obj->direction = ((Random() & 7) + 0xc) | 0x80;
         obj->speed = (Random() & 0xf) * 2 + 0x20;
         obj->zVelocity = gUnk_0811F840[Random() & 3];
@@ -211,9 +211,9 @@ void sub_080840A8(s32 param_1, s32 param_2) {
 }
 
 void ChestSpawner_Type2Action6(ChestSpawnerEntity* this) {
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
-        if (--super->field_0xf != 0) {
+    if (--super->timer == 0) {
+        super->timer = 8;
+        if (--super->subtimer != 0) {
             sub_080840A8(super->x.HALF.HI, super->y.HALF.HI);
         } else {
             super->action = 5;
@@ -263,7 +263,7 @@ void ChestSpawner_Type0Action2(ChestSpawnerEntity* this) {
             break;
     }
     super->action = 3;
-    this->unk_72 = super->actionDelay * 0x3c;
+    this->unk_72 = super->timer * 0x3c;
     if ((super->type & 1) == 0) {
         DeleteThisEntity();
     }
diff --git a/src/object/cloud.c b/src/object/cloud.c
index a8b22546..5c7349bb 100644
--- a/src/object/cloud.c
+++ b/src/object/cloud.c
@@ -29,7 +29,7 @@ void sub_0809F4DC(Entity* this) {
 
 void sub_0809F514(Entity* this) {
     this->action = 1;
-    this->actionDelay = 120;
+    this->timer = 120;
     this->spriteSettings.draw = 0;
     this->field_0x68.HALF.LO = 12;
     gRoomControls.camera_target = this;
@@ -39,9 +39,9 @@ void sub_0809F514(Entity* this) {
 
 void sub_0809F548(Entity* this) {
 
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 2;
-        this->actionDelay = 90;
+        this->timer = 90;
         SoundReq(SFX_11D);
         sub_0809F814((((this->x.HALF.HI - gRoomControls.origin_x) >> 4) & 63) |
                      (((this->y.HALF.HI - gRoomControls.origin_y) >> 4) & 63) << 6);
@@ -54,7 +54,7 @@ void sub_0809F548(Entity* this) {
 }
 
 void sub_0809F5B0(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         SoundReq(SFX_SECRET_BIG);
         SetGlobalFlag(KUMOTATSUMAKI);
         LoadRoomEntityList((EntityData*)&gUnk_080DD750);
@@ -71,10 +71,10 @@ void sub_0809F5DC(Entity* this) {
 void sub_0809F5F0(Entity* this) {
     u32 iVar1;
 
-    iVar1 = CheckRoomFlag(this->actionDelay);
+    iVar1 = CheckRoomFlag(this->timer);
     if (iVar1 != 0) {
         this->action = 2;
-        this->actionDelay = 120;
+        this->timer = 120;
         SetPlayerControl(3);
         sub_08078B48();
         gRoomControls.camera_target = this;
@@ -84,12 +84,12 @@ void sub_0809F5F0(Entity* this) {
 void sub_0809F61C(Entity* this) {
 
     if ((gRoomControls.scroll_flags & 4) == 0) {
-        if (this->actionDelay == 30) {
+        if (this->timer == 30) {
             SetLocalFlag(this->type2);
         }
-        if (--this->actionDelay == 0) {
+        if (--this->timer == 0) {
             this->action = 3;
-            this->actionDelay = 120;
+            this->timer = 120;
             SoundReq(SFX_11D);
             sub_0809F814((((this->x.HALF.HI - gRoomControls.origin_x) >> 4) & 63) |
                          (((this->y.HALF.HI - gRoomControls.origin_y) >> 4) & 63) << 6);
@@ -104,8 +104,8 @@ void sub_0809F61C(Entity* this) {
 
 void sub_0809F69C(Entity* this) {
 
-    if (--this->actionDelay == 0) {
-        this->actionDelay = 30;
+    if (--this->timer == 0) {
+        this->timer = 30;
         this->action = 4;
         gRoomControls.camera_target = &gPlayerEntity;
         SoundReq(SFX_SECRET_BIG);
@@ -114,7 +114,7 @@ void sub_0809F69C(Entity* this) {
 
 void sub_0809F6CC(Entity* this) {
 
-    if (((gRoomControls.scroll_flags & 4) == 0) && (--this->actionDelay == 0)) {
+    if (((gRoomControls.scroll_flags & 4) == 0) && (--this->timer == 0)) {
         gPlayerState.controlMode = CONTROL_1;
         DeleteThisEntity();
     }
@@ -126,7 +126,7 @@ void sub_0809F700(Entity* this) {
 
     if (this->action == 0) {
         this->action = 1;
-        this->actionDelay = (Random() & 30) + 8;
+        this->timer = (Random() & 30) + 8;
         this->flags = this->flags | 12;
     }
     if ((gRoomTransition.frameCount & 3) == 0) {
@@ -135,7 +135,7 @@ void sub_0809F700(Entity* this) {
         this->spriteOffsetY = gUnk_081247C0[uVar2 >> 4 & 7];
     }
     LinearMoveUpdate(this);
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         DeleteThisEntity();
     }
 }
diff --git a/src/object/crenelBeanSprout.c b/src/object/crenelBeanSprout.c
index ec5400b3..ab865f7d 100644
--- a/src/object/crenelBeanSprout.c
+++ b/src/object/crenelBeanSprout.c
@@ -67,7 +67,7 @@ void CrenelBeanSprout_Init(CrenelBeanSproutEntity* this) {
                         return;
                     }
                     super->type2 = 0;
-                    super->field_0xf = 2;
+                    super->subtimer = 2;
                     sub_080969A4(this);
                     DeleteThisEntity();
                 }
@@ -94,7 +94,7 @@ void CrenelBeanSprout_Init(CrenelBeanSproutEntity* this) {
             if (obj != NULL) {
                 PositionRelative(super, obj, -0x1c0000, -0x280000);
             }
-            super->field_0x16 = 0x10;
+            super->carryFlags = 0x10;
             super->spriteRendering.b0 = 3;
             InitializeAnimation(super, 0xc);
             CrenelBeanSprout_Action1(this);
@@ -114,7 +114,7 @@ void CrenelBeanSprout_Init(CrenelBeanSproutEntity* this) {
                 return;
             } else {
                 super->type2 = 0;
-                super->field_0xf = 3;
+                super->subtimer = 3;
                 sub_080969A4(this);
                 DeleteThisEntity();
                 return;
@@ -241,13 +241,13 @@ void CrenelBeanSprout_Action4(CrenelBeanSproutEntity* this) {
         gPlayerState.keepFacing |= 0x80;
         gPlayerState.field_0xa |= 0x80;
         gPlayerState.field_0x7 |= 0x80;
-        if (--super->actionDelay == 0) {
+        if (--super->timer == 0) {
             super->action = 6;
             super->subAction = 0;
             CreateDust(super);
         }
     } else {
-        super->actionDelay = 0xc0;
+        super->timer = 0xc0;
     }
 }
 
@@ -279,8 +279,8 @@ void CrenelBeanSprout_Action6SubAction0(CrenelBeanSproutEntity* this) {
         3,
     };
     SetLocalFlag(super->type2);
-    super->actionDelay = 0x0f;
-    super->field_0xf = gUnk_081231AC[super->type >> 1];
+    super->timer = 0x0f;
+    super->subtimer = gUnk_081231AC[super->type >> 1];
     super->type2 = 0;
     super->spriteSettings.draw = 0;
     super->subAction++;
@@ -294,22 +294,22 @@ void CrenelBeanSprout_Action6SubAction0(CrenelBeanSproutEntity* this) {
 
 void CrenelBeanSprout_Action6SubAction1(CrenelBeanSproutEntity* this) {
     static const u16 gUnk_081231AE[] = { 0x1cc, 0x1cb, 0x1c9 };
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->y.HALF.HI += -0x10;
         sub_0807B7D8(gUnk_081231AE[super->type2], COORD_TO_TILE(super), super->collisionLayer);
         super->type2++;
-        if (super->type2 == super->field_0xf) {
+        if (super->type2 == super->subtimer) {
             gPlayerState.keepFacing &= 0x7f;
             super->subAction++;
-            super->actionDelay = 0x3c;
+            super->timer = 0x3c;
         } else {
-            super->actionDelay = 0x0f;
+            super->timer = 0x0f;
         }
     }
 }
 
 void CrenelBeanSprout_Action6SubAction2(CrenelBeanSproutEntity* this) {
-    if ((super->actionDelay != 0) && (--super->actionDelay == 0)) {
+    if ((super->timer != 0) && (--super->timer == 0)) {
         SoundReq(SFX_SECRET);
     }
 }
@@ -321,7 +321,7 @@ void sub_080969A4(CrenelBeanSproutEntity* this) {
     } else {
         sub_0807B7D8(0x1cd, COORD_TO_TILE(super), super->collisionLayer);
     }
-    while (super->type2 != super->field_0xf) {
+    while (super->type2 != super->subtimer) {
         super->y.HALF.HI -= 0x10;
         sub_0807B7D8(gUnk_081231B4[super->type2], COORD_TO_TILE(super), super->collisionLayer);
         super->type2++;
diff --git a/src/object/deathFx.c b/src/object/deathFx.c
index dee32ccc..3c305737 100644
--- a/src/object/deathFx.c
+++ b/src/object/deathFx.c
@@ -43,11 +43,11 @@ void DeathFx_Action0(DeathFxObject* this) {
         super->collisionLayer = 2;
         UpdateSpriteForCollisionLayer(&this->base);
         super->spriteRendering.b0 = 3;
-        if (super->actionDelay == 0) {
+        if (super->timer == 0) {
             tmp = 0x80;
         } else {
-            tmp = super->actionDelay;
-            super->actionDelay = 0;
+            tmp = super->timer;
+            super->timer = 0;
         }
         SetAffineInfo(super, tmp, tmp, 0);
         LoadSwapGFX(super, 4, 0);
@@ -67,7 +67,7 @@ void DeathFx_Action0(DeathFxObject* this) {
                 uVar4 &= 3;
                 parent = super->parent;
                 if (parent != NULL) {
-                    parent->actionDelay = gUnk_0811EC20[uVar4];
+                    parent->timer = gUnk_0811EC20[uVar4];
                 }
                 InitializeAnimation(&this->base, uVar4);
             }
diff --git a/src/object/doubleBookshelf.c b/src/object/doubleBookshelf.c
index b1fd39fe..65e1b510 100644
--- a/src/object/doubleBookshelf.c
+++ b/src/object/doubleBookshelf.c
@@ -81,7 +81,7 @@ void DoubleBookshelf_Action1(DoubleBookshelfEntity* this) {
 
 void DoubleBookshelf_Action2(DoubleBookshelfEntity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 1;
         this->unk_80 = COORD_TO_TILE(super);
         SetPlayerControl(CONTROL_ENABLED);
diff --git a/src/object/enemyItem.c b/src/object/enemyItem.c
index 29f360c6..81910655 100644
--- a/src/object/enemyItem.c
+++ b/src/object/enemyItem.c
@@ -29,7 +29,7 @@ void EnemyItem(EnemyItemEntity* this) {
     }
     if (super->action == 0) {
         super->action++;
-        super->type = super->actionDelay;
+        super->type = super->timer;
         super->child = NULL;
         list = &gEntityLists[4];
         for (entity = list->first; entity != (Entity*)list; entity = entity->next) {
@@ -65,7 +65,7 @@ void sub_080A2508(EnemyItemEntity* this) {
 
     entity = (EnemyItemEntity*)CreateObjectWithParent(super, GROUND_ITEM, super->type, 0);
     if (entity != NULL) {
-        (entity->base).actionDelay = 5;
+        (entity->base).timer = 5;
         entity->unk_86 = this->unk_86;
     }
     sub_080A2500(this);
@@ -76,7 +76,7 @@ void sub_080A2534(EnemyItemEntity* this) {
 
     entity = (EnemyItemEntity*)CreateObjectWithParent(super, GROUND_ITEM, super->type, 0);
     if (entity != NULL) {
-        (entity->base).actionDelay = 4;
+        (entity->base).timer = 4;
         entity->unk_86 = this->unk_86;
     }
     sub_080A2500(this);
diff --git a/src/object/eyeSwitch.c b/src/object/eyeSwitch.c
index 769a2cdf..67a5f62d 100644
--- a/src/object/eyeSwitch.c
+++ b/src/object/eyeSwitch.c
@@ -29,7 +29,7 @@ void EyeSwitch(Entity* this) {
 void sub_080886A4(EyeSwitchEntity* this) {
     super->animationState = super->type & 3;
     super->spritePriority.b0 = 6;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hurtType = 0x48;
     super->hitType = 1;
     super->flags2 = 2;
@@ -45,8 +45,8 @@ void sub_080886A4(EyeSwitchEntity* this) {
 }
 
 void sub_08088718(EyeSwitchEntity* this) {
-    if ((super->bitfield == 0x95 || super->bitfield == 0x8e) &&
-        (DirectionRoundUp(super->field_0x4c->direction) >> 3 == (super->animationState & 3))) {
+    if ((super->contactFlags == 0x95 || super->contactFlags == 0x8e) &&
+        (DirectionRoundUp(super->contactedEntity->direction) >> 3 == (super->animationState & 3))) {
         super->action = 2;
         COLLISION_OFF(super);
         EnqueueSFX(SFX_111);
@@ -58,15 +58,15 @@ void sub_08088760(EyeSwitchEntity* this) {
     GetNextFrame(super);
     if ((super->frame & ANIM_DONE) != 0) {
         super->action = 3;
-        this->unk70 = super->actionDelay << 1;
+        this->unk70 = super->timer << 1;
         InitializeAnimation(super, super->animationState + 4);
     }
 }
 
 void sub_08088790(EyeSwitchEntity* this) {
-    if (super->actionDelay != 0) {
+    if (super->timer != 0) {
         if ((this->eyeSwitchFlags2 != this->eyeSwitchFlags) && (CheckFlags(this->eyeSwitchFlags))) {
-            super->actionDelay = 0;
+            super->timer = 0;
         } else {
             if (--this->unk70 == 0) {
                 super->action = 4;
diff --git a/src/object/ezloCap.c b/src/object/ezloCap.c
index 1a0d8894..39c7793a 100644
--- a/src/object/ezloCap.c
+++ b/src/object/ezloCap.c
@@ -68,12 +68,12 @@ void EzloCap_Type0Init(EzloCapEntity* this) {
     }
     LoadSwapGFX(super, 1, 3);
     if (super->type == 0) {
-        super->field_0xf = 7;
+        super->subtimer = 7;
         InitAnimationForceUpdate(super, 7);
         SoundReq(SFX_F3);
     } else {
-        super->actionDelay = 0;
-        super->field_0xf = 0xa;
+        super->timer = 0;
+        super->subtimer = 0xa;
         super->y.HALF.HI -= 0xe;
         InitAnimationForceUpdate(super, 0x14);
     }
@@ -89,30 +89,30 @@ void EzloCap_Type0Action1(EzloCapEntity* this) {
     }
     if ((gMessage.doTextBox & 0x7f) != 5) {
         if (((gMessage.unk == 0xa) || (gMessage.unk == 0)) || ((gMessage.unk & 0xf) > 9)) {
-            if (super->animIndex != (super->field_0xf | 3)) {
-                InitAnimationForceUpdate(super, super->field_0xf | 3);
+            if (super->animIndex != (super->subtimer | 3)) {
+                InitAnimationForceUpdate(super, super->subtimer | 3);
                 return;
             }
         } else {
             if ((gMessage.unk & 0x80) != 0) {
                 if ((super->frame & 0x90) != 0) {
-                    super->field_0xf = gUnk_0811F16C[(s32)Random() % 9];
-                    InitAnimationForceUpdate(super, super->field_0xf);
+                    super->subtimer = gUnk_0811F16C[(s32)Random() % 9];
+                    InitAnimationForceUpdate(super, super->subtimer);
                     return;
                 }
             } else {
                 if (super->animIndex != gUnk_0811F16C[gMessage.unk]) {
-                    super->field_0xf = gUnk_0811F16C[gMessage.unk];
-                    InitAnimationForceUpdate(super, super->field_0xf);
+                    super->subtimer = gUnk_0811F16C[gMessage.unk];
+                    InitAnimationForceUpdate(super, super->subtimer);
                     return;
                 }
             }
         }
     }
     if (super->animIndex > 7) {
-        super->actionDelay = 1;
+        super->timer = 1;
     } else {
-        super->actionDelay = 0;
+        super->timer = 0;
     }
     UpdateAnimationSingleFrame(super);
 }
@@ -127,10 +127,10 @@ void EzloCap_Type1Action1(EzloCapEntity* this) {
     }
     UpdateAnimationSingleFrame(super);
     if (super->subAction == 0) {
-        if (super->field_0xf-- == 0) {
-            super->actionDelay++;
-            super->field_0xf = 0xa;
-            tmp = super->actionDelay - 1;
+        if (super->subtimer-- == 0) {
+            super->timer++;
+            super->subtimer = 0xa;
+            tmp = super->timer - 1;
             obj = CreateObjectWithParent(super, OBJECT_79, tmp, 0);
             super->child = obj;
             if (obj != NULL) {
@@ -140,23 +140,23 @@ void EzloCap_Type1Action1(EzloCapEntity* this) {
                     obj->parent = super->parent;
                 }
             }
-            if (super->actionDelay == 6) {
+            if (super->timer == 6) {
                 super->subAction = 3;
-                super->actionDelay = 0x3c;
+                super->timer = 0x3c;
                 super->parent->type2 = 1;
                 InitAnimationForceUpdate(super, 0x1c);
             } else {
-                InitAnimationForceUpdate(super, gUnk_0811F178[super->actionDelay - 1]);
-                if (super->actionDelay > 2) {
+                InitAnimationForceUpdate(super, gUnk_0811F178[super->timer - 1]);
+                if (super->timer > 2) {
                     super->spriteSettings.flipX = 1;
                 }
             }
         }
     } else if ((super->frame & ANIM_DONE) != 0) {
-        super->actionDelay = Random() & 3;
-        if (super->actionDelay != 0) {
+        super->timer = Random() & 3;
+        if (super->timer != 0) {
             super->spriteSettings.flipX = Random() & 1;
-            InitAnimationForceUpdate(super, super->actionDelay + 0x1b);
+            InitAnimationForceUpdate(super, super->timer + 0x1b);
         }
     }
 }
diff --git a/src/object/fairy.c b/src/object/fairy.c
index 3289562c..76fdb2df 100644
--- a/src/object/fairy.c
+++ b/src/object/fairy.c
@@ -40,13 +40,13 @@ void Fairy(FairyEntity* this) {
         Fairy_Init, Fairy_Action1, Fairy_Action2, Fairy_Action3, Fairy_Action4,
     };
 
-    if (((super->bitfield & 0x80) != 0)) {
-        switch (super->bitfield & 0x7f) {
+    if (((super->contactFlags & 0x80) != 0)) {
+        switch (super->contactFlags & 0x7f) {
             case 0x14:
                 super->action = 3;
                 super->flags &= ~ENT_COLLIDE;
                 super->spriteSettings.draw = 1;
-                super->child = super->field_0x4c;
+                super->child = super->contactedEntity;
                 break;
             case 0x1f:
                 DeleteThisEntity();
@@ -84,7 +84,7 @@ void sub_0808D76C(FairyEntity* this) {
 
 void Fairy_SubAction0(FairyEntity* this) {
     super->subAction = 1;
-    super->field_0x1d = 1;
+    super->gustJarTolerance = 1;
     super->spriteSettings.draw = 1;
 }
 
@@ -100,13 +100,13 @@ void Fairy_SubAction2(FairyEntity* this) {
 
 void Fairy_Init(FairyEntity* this) {
     super->collisionLayer = 3;
-    super->field_0x3c = 0x17;
+    super->collisionFlags = 0x17;
     super->hurtType = 0x49;
     super->hitType = 7;
     super->flags2 = 0x17;
     super->health = 0xff;
     super->hitbox = (Hitbox*)&gUnk_080FD1A8;
-    super->field_0x1c = 1;
+    super->gustJarFlags = 1;
     this->unk_74 = super->x.HALF.HI;
     this->unk_76 = super->y.HALF.HI;
     SetDefaultPriority(super, 6);
@@ -132,13 +132,13 @@ void Fairy_Init(FairyEntity* this) {
 void Fairy_Action1(FairyEntity* this) {
     super->z.WORD -= 0xe000;
     if (super->frame != 0) {
-        if (super->actionDelay != 0) {
+        if (super->timer != 0) {
             this->unk_78 *= 0x1e;
         } else {
             this->unk_78 = 600;
         }
         super->action = 2;
-        super->field_0xf = 1;
+        super->subtimer = 1;
         super->speed = 0x80;
     }
 }
@@ -150,10 +150,10 @@ void Fairy_Action2(FairyEntity* this) {
         0,
         0,
     };
-    if (--super->field_0xf == 0) {
+    if (--super->subtimer == 0) {
         u32 rand = Random();
         super->flags |= ENT_COLLIDE;
-        super->field_0xf = 0x20;
+        super->subtimer = 0x20;
         super->speed = (u16)gUnk_081217A4[rand >> 8 & 1];
         if (sub_0808DAA0(this)) {
             super->direction = rand & 0x1f;
@@ -192,27 +192,27 @@ void Fairy_Action4(FairyEntity* this) {
     s32 tmp;
 
     child = super->child;
-    tmp = gSineTable[super->actionDelay] * 0xa00;
+    tmp = gSineTable[super->timer] * 0xa00;
     if (tmp < 0) {
         tmp += 0xffff;
     }
     super->x.HALF.HI = (tmp >> 0x10) + child->x.HALF.HI;
-    tmp = gSineTable[super->actionDelay + 0x40] * 0x500;
+    tmp = gSineTable[super->timer + 0x40] * 0x500;
     if (tmp < 0) {
         tmp += 0xffff;
     }
     super->y.HALF.HI = child->y.HALF.HI - (tmp >> 0x10);
-    super->actionDelay += 8;
+    super->timer += 8;
     super->z.HALF.HI = child->z.HALF.HI;
     super->spriteOrientation.flipY = child->spriteOrientation.flipY;
     super->spriteRendering.b3 = child->spriteRendering.b3;
-    if ((u8)(super->actionDelay - 0x41) < 0x7f) {
+    if ((u8)(super->timer - 0x41) < 0x7f) {
         super->spritePriority.b0 = 3;
     } else {
         super->spritePriority.b0 = 5;
     }
-    if (--super->field_0xf == 0) {
-        super->field_0xf = 6;
+    if (--super->subtimer == 0) {
+        super->subtimer = 6;
         if (((--super->spriteOffsetY) * 0x1000000) >> 0x18 < -0x16) {
             sub_08081404(super, 1);
         }
@@ -239,8 +239,8 @@ void sub_0808DAD0(FairyEntity* this) {
         DeleteThisEntity();
     }
     super->action = 4;
-    super->actionDelay = 0x80;
-    super->field_0xf = 6;
+    super->timer = 0x80;
+    super->subtimer = 6;
     super->flags &= ~ENT_COLLIDE;
     super->spriteSettings.draw = 1;
     super->spritePriority.b1 = 2;
diff --git a/src/object/fan.c b/src/object/fan.c
index d372ff5c..51815c83 100644
--- a/src/object/fan.c
+++ b/src/object/fan.c
@@ -99,7 +99,7 @@ void sub_0809EE24(FanEntity* this) {
 
 void sub_0809EE34(FanEntity* this) {
     super->action = 1;
-    this->unk74 = super->actionDelay << 2;
+    this->unk74 = super->timer << 2;
 }
 
 void sub_0809EE44(FanEntity* this) {
@@ -138,7 +138,7 @@ void sub_0809EE44(FanEntity* this) {
                         break;
                         break;
                     case 0x4:
-                        if (super->field_0xf != 0)
+                        if (super->subtimer != 0)
                             bVar3 = 1;
                         break;
                     case 0x11:
@@ -215,18 +215,18 @@ void sub_0809EFB0(FanEntity* this) {
 }
 
 void sub_0809F08C(FanEntity* this) {
-    if (super->field_0xf != 0) {
-        super->field_0xf--;
+    if (super->subtimer != 0) {
+        super->subtimer--;
     }
 
     GetNextFrame(super);
     if (super->frame & 0x20) {
         super->frame &= ~0x20;
-        super->field_0xf = 20;
+        super->subtimer = 20;
         sub_0809F0E4(this);
     } else {
-        if ((super->frame & 0x10) && super->field_0xf == 0) {
-            super->field_0xf = 20;
+        if ((super->frame & 0x10) && super->subtimer == 0) {
+            super->subtimer = 20;
             super->frame ^= 0x10;
             sub_0809F0E4(this);
         }
diff --git a/src/object/figurineDevice.c b/src/object/figurineDevice.c
index f4c5602c..741548a7 100644
--- a/src/object/figurineDevice.c
+++ b/src/object/figurineDevice.c
@@ -112,8 +112,8 @@ void FigurineDevice_Init(FigurineDeviceEntity* this) {
             InitializeAnimation(super, 1);
             break;
         case 3:
-            super->actionDelay = 0x1e;
-            super->field_0xf = 0;
+            super->timer = 0x1e;
+            super->subtimer = 0;
             this->unk_81 = 1;
             this->unk_7a = 0;
             this->unk_7b = 0;
@@ -176,9 +176,9 @@ void FigurineDevice_Action2(FigurineDeviceEntity* this) {
             entity = CreateObject(FIGURINE_DEVICE, 2, 0);
             if (entity != NULL) {
                 entity->parent = super;
-                entity->field_0xf = this->unk_7d;
+                entity->subtimer = this->unk_7d;
                 ptr = (u8*)gUnk_080FC3E4; // FIXME use struct
-                entity->type2 = ptr[(entity->field_0xf << 3) + 7];
+                entity->type2 = ptr[(entity->subtimer << 3) + 7];
                 PositionRelative(super, entity, 0x80000, 0x70000);
             }
             EnqueueSFX(SFX_111);
@@ -199,7 +199,7 @@ void FigurineDevice_Action3(FigurineDeviceEntity* this) {
         case 0:
             if ((super->frame & ANIM_DONE) != 0) {
                 this->unk_7a = 1;
-                super->actionDelay = 0x28;
+                super->timer = 0x28;
                 ChangeObjPalette(super, gUnk_08120AA8[super->type2]);
                 InitializeAnimation(super, 2);
                 SoundReq(SFX_110);
@@ -207,10 +207,10 @@ void FigurineDevice_Action3(FigurineDeviceEntity* this) {
             break;
 
         case 1:
-            if (((super->frame & ANIM_DONE) != 0) && (--super->actionDelay == 0)) {
+            if (((super->frame & ANIM_DONE) != 0) && (--super->timer == 0)) {
                 this->unk_7a = 2;
                 SetRoomFlag(2);
-                MenuFadeIn(7, super->field_0xf);
+                MenuFadeIn(7, super->subtimer);
             }
             break;
         case 2:
@@ -248,13 +248,13 @@ void FigurineDevice_Action4(FigurineDeviceEntity* this) {
             }
             break;
         case 1:
-            if (super->actionDelay != 0) {
-                super->actionDelay--;
+            if (super->timer != 0) {
+                super->timer--;
             }
             if ((gInput.newKeys & 1) != 0) {
                 SoundReq(SFX_TEXTBOX_SELECT);
                 this->unk_7a = 2;
-                super->actionDelay = 0x3c;
+                super->timer = 0x3c;
                 sub_08050384();
                 return;
             }
@@ -322,8 +322,8 @@ void sub_08087F58(FigurineDeviceEntity* this) {
 ASM_FUNC("asm/non_matching/figurineDevice/sub_08087F94.inc", void sub_08087F94(FigurineDeviceEntity* this, s32 param_2))
 
 void sub_08088034(FigurineDeviceEntity* this) {
-    if (super->actionDelay == 0) {
-        super->actionDelay = 0x14;
+    if (super->timer == 0) {
+        super->timer = 0x14;
         SoundReq(SFX_MENU_ERROR);
     }
 }
diff --git a/src/object/fileScreenObjects.c b/src/object/fileScreenObjects.c
index d08dce01..9a00d152 100644
--- a/src/object/fileScreenObjects.c
+++ b/src/object/fileScreenObjects.c
@@ -394,8 +394,8 @@ void sub_0808ED98(Entity* this) {
 
     this->y.HALF.HI = y;
     this->field_0x6a.HWORD = y;
-    this->field_0xf++;
-    this->spriteOffsetY = gUnk_08121D10[(this->field_0xf / 4) & 0x7];
+    this->subtimer++;
+    this->spriteOffsetY = gUnk_08121D10[(this->subtimer / 4) & 0x7];
     sub_0808EF6C(this);
 }
 
@@ -424,9 +424,9 @@ void nullsub_522(Entity* this) {
 }
 
 void sub_0808EE98(Entity* this) {
-    this->actionDelay = gUI.lastState;
-    this->frameIndex = gUnk_08121D48[this->actionDelay];
-    if (this->actionDelay != 2) {
+    this->timer = gUI.lastState;
+    this->frameIndex = gUnk_08121D48[this->timer];
+    if (this->timer != 2) {
         this->field_0x68.HWORD = 96;
     } else {
         this->field_0x68.HWORD = -96;
diff --git a/src/object/fireplace.c b/src/object/fireplace.c
index a4513cb8..5a86491a 100644
--- a/src/object/fireplace.c
+++ b/src/object/fireplace.c
@@ -27,7 +27,7 @@ void sub_0809B708(Entity* this) {
 
 void sub_0809B7A0(Entity* this) {
     sub_0809B7C0(this);
-    if (this->actionDelay) {
+    if (this->timer) {
         SetFlag(this->field_0x86.HWORD);
         DeleteThisEntity();
     }
@@ -43,5 +43,5 @@ void sub_0809B7C0(Entity* this) {
 void sub_0809B7DC(Entity* this) {
     sub_0807B7D8(0xc3 << 2, TILE(this->x.HALF.HI, this->y.HALF.HI), 2);
     SetTile(0x4062, TILE(this->x.HALF.HI, this->y.HALF.HI), this->collisionLayer);
-    this->actionDelay = 1;
+    this->timer = 1;
 }
diff --git a/src/object/floatingPlatform.c b/src/object/floatingPlatform.c
index 9701ba66..74ab1231 100644
--- a/src/object/floatingPlatform.c
+++ b/src/object/floatingPlatform.c
@@ -35,14 +35,14 @@ void sub_080860D8(FloatingPlatformEntity* this) {
 void sub_0808611C(FloatingPlatformEntity* this) {
     bool32 iVar2 = sub_08086168(this);
 
-    if (super->actionDelay != 0 && super->parent->actionDelay == 0) {
+    if (super->timer != 0 && super->parent->timer == 0) {
 
         if (iVar2) {
-            super->parent->actionDelay++;
+            super->parent->timer++;
         }
 
         sub_080A2BE4(super, iVar2);
-    } else if (super->actionDelay == 0) {
+    } else if (super->timer == 0) {
         sub_080A2BE4(super, iVar2);
     } else {
         sub_080A2BE4(super, FALSE);
diff --git a/src/object/fourElements.c b/src/object/fourElements.c
index 942cc485..8fd25f49 100644
--- a/src/object/fourElements.c
+++ b/src/object/fourElements.c
@@ -92,7 +92,7 @@ void FourElements_Action2(FourElementsEntity* this) {
         DeleteEntity(super->child);
         super->spriteSettings.draw = 0;
         super->action = 3;
-        super->actionDelay = 0x2d;
+        super->timer = 0x2d;
         gScreen.controls.layerFXControl = 0x640;
         gScreen.controls.alphaBlend = 0;
         InitItemGetSequence(super->type, 0, 1);
@@ -106,9 +106,9 @@ void FourElements_Action2(FourElementsEntity* this) {
 }
 
 void FourElements_Action3(FourElementsEntity* this) {
-    if (super->actionDelay != 0) {
+    if (super->timer != 0) {
         sub_080A0424(this);
-        if (--super->actionDelay == 0) {
+        if (--super->timer == 0) {
             SetDefaultPriority(&gPlayerEntity, 0);
         }
     } else {
@@ -159,7 +159,7 @@ void sub_080A0444(FourElementsEntity* this) {
     static const u8 gUnk_081248B4[] = {
         249, 248, 247, 246, 245, 246, 247, 248,
     };
-    super->z.HALF.HI = gUnk_081248B4[(super->field_0xf++ >> 3) & 7] << 0x18 >> 0x18;
+    super->z.HALF.HI = gUnk_081248B4[(super->subtimer++ >> 3) & 7] << 0x18 >> 0x18;
 }
 
 void sub_080A0464(FourElementsEntity* this, ScriptExecutionContext* context) {
diff --git a/src/object/frozenOctorok.c b/src/object/frozenOctorok.c
index ea1ea894..100ec565 100644
--- a/src/object/frozenOctorok.c
+++ b/src/object/frozenOctorok.c
@@ -80,7 +80,7 @@ ASM_FUNC("asm/non_matching/frozenOctorok/FrozenOctorok_Action1.inc",
 
 void FrozenOctorok_Action1SubAction0(FrozenOctorokEntity* this) {
     Entity* child;
-    if (super->field_0xf != 0) {
+    if (super->subtimer != 0) {
         if (this->unk_7e == 0) {
             child = super->child;
             if (child->z.HALF.HI > -0x10) {
@@ -108,7 +108,7 @@ void FrozenOctorok_Action1SubAction1(FrozenOctorokEntity* this) {
                 obj->y.HALF.HI -= 0x50;
                 gRoomControls.camera_target = obj;
             }
-            if (super->field_0xf < 3) {
+            if (super->subtimer < 3) {
                 super->subAction = 2;
                 this->unk_79 = 0x1e;
                 SoundReq(SFX_THUD_HEAVY);
@@ -124,7 +124,7 @@ void FrozenOctorok_Action1SubAction2(FrozenOctorokEntity* this) {
     if (this->unk_79-- == 0) {
         super->subAction = 1;
         this->unk_79 = 0x1e;
-        super->field_0xf++;
+        super->subtimer++;
         return;
     }
     switch (this->unk_79 & 3) {
@@ -194,7 +194,7 @@ NONMATCH("asm/non_matching/frozenOctorok/FrozenOctorok_Action1SubAction5.inc",
             super->subAction = 6;
             super->speed = 0xc0;
             super->type2 = 0;
-            super->field_0xf = 0;
+            super->subtimer = 0;
             child = super->child;
             child->spriteSettings.draw = 0;
             this->heap->mouthObject->unk_76 = 0x100;
@@ -257,14 +257,14 @@ void sub_0809CB70(FrozenOctorokEntity* this, s32 angle, s32 radius) {
 }
 
 NONMATCH("asm/non_matching/frozenOctorok/sub_0809CBE4.inc", void sub_0809CBE4(FrozenOctorokEntity* this)) {
-    this->unk_79 += super->field_0xf;
-    if ((s8)super->field_0xf < 0) {
-        if (super->actionDelay < -(this->unk_79 << 0x18 >> 0x18)) {
-            super->field_0xf = -super->field_0xf;
+    this->unk_79 += super->subtimer;
+    if ((s8)super->subtimer < 0) {
+        if (super->timer < -(this->unk_79 << 0x18 >> 0x18)) {
+            super->subtimer = -super->subtimer;
             SoundReq(SFX_19E);
         }
-    } else if ((s8)this->unk_79 > super->actionDelay) {
-        super->field_0xf = -super->field_0xf;
+    } else if ((s8)this->unk_79 > super->timer) {
+        super->subtimer = -super->subtimer;
         SoundReq(SFX_19E);
     }
 }
diff --git a/src/object/frozenWaterElement.c b/src/object/frozenWaterElement.c
index 953480c4..223f172c 100644
--- a/src/object/frozenWaterElement.c
+++ b/src/object/frozenWaterElement.c
@@ -77,7 +77,7 @@ void sub_0809BF74(FrozenWaterElementEntity* this) {
     s32 tmp2;
 
     if (--this->unk_74 == 0) {
-        (super->child)->field_0xf = 1;
+        (super->child)->subtimer = 1;
         sub_0809C23C(this);
         CheckFlags(0x9b);
         DeleteThisEntity();
diff --git a/src/object/furniture.c b/src/object/furniture.c
index 5683156c..1e8770ac 100644
--- a/src/object/furniture.c
+++ b/src/object/furniture.c
@@ -259,23 +259,23 @@ static void FurnitureUpdate(FurnitureEntity* this) {
             }
             break;
         case 0x8:
-            if (++super->actionDelay == 16) {
-                super->actionDelay = 0;
-                super->field_0xf = (super->field_0xf + 1) & 3;
+            if (++super->timer == 16) {
+                super->timer = 0;
+                super->subtimer = (super->subtimer + 1) & 3;
                 sub_08090E4C(this);
             }
             break;
         case 0x10:
             if (super->type != FORGE_HELPER) {
-                if (++super->actionDelay == 20) {
+                if (++super->timer == 20) {
                     super->frameIndex = (super->frameIndex + 1) & 3;
-                    super->actionDelay = 0;
+                    super->timer = 0;
                 }
             } else {
-                if (++super->actionDelay == 14) {
-                    super->actionDelay = 0;
-                    super->field_0xf = (super->field_0xf + 1) % 3;
-                    super->frameIndex = super->field_0xf + 1;
+                if (++super->timer == 14) {
+                    super->timer = 0;
+                    super->subtimer = (super->subtimer + 1) % 3;
+                    super->frameIndex = super->subtimer + 1;
                 }
             }
             break;
@@ -444,7 +444,7 @@ static void sub_08090DC4(FurnitureEntity* this) {
 static void sub_08090E4C(FurnitureEntity* this) {
     static const u32 sPalettes[] = { 0x5f, 0x60, 0x61, 0x62 };
 
-    ChangeObjPalette(super, sPalettes[super->field_0xf]);
+    ChangeObjPalette(super, sPalettes[super->subtimer]);
 }
 
 void sub_08090E64(FurnitureEntity* this) {
diff --git a/src/object/greatFairy.c b/src/object/greatFairy.c
index ffbfe2a6..ab08f369 100644
--- a/src/object/greatFairy.c
+++ b/src/object/greatFairy.c
@@ -65,7 +65,7 @@ void GreatFairy_CallBehavior(Entity* this) {
 // Init
 void GreatFairy_Init(Entity* this) {
     GreatFairy_InitializeAnimation(this);
-    this->actionDelay = 0;
+    this->timer = 0;
     this->cutsceneBeh.HWORD = 290;
 }
 
@@ -92,9 +92,9 @@ void GreatFairy_DormantUpdate(Entity* this) {
         case 289:
             ripple = GreatFairy_CreateForm(this, RIPPLE, 0);
             if (ripple) {
-                PositionRelative(this, ripple, Q_16_16(GreatFairy_RippleOffsets[this->actionDelay]),
-                                 Q_16_16(GreatFairy_RippleOffsets[this->actionDelay + 1]));
-                this->actionDelay += 2;
+                PositionRelative(this, ripple, Q_16_16(GreatFairy_RippleOffsets[this->timer]),
+                                 Q_16_16(GreatFairy_RippleOffsets[this->timer + 1]));
+                this->timer += 2;
                 break;
             }
     }
@@ -122,7 +122,7 @@ void GreatFairy_SpawningUpdate(Entity* this) {
             SetFade(6, 4);
             SoundReq(SFX_145);
             this->action = 4;
-            this->actionDelay = 60;
+            this->timer = 60;
             this->spriteSettings.draw = 1;
         }
     }
@@ -132,15 +132,15 @@ void GreatFairy_MiniUpdate(Entity* this) {
     Entity* target;
 
     GetNextFrame(this);
-    if (this->actionDelay != 0) {
-        --this->actionDelay;
+    if (this->timer != 0) {
+        --this->timer;
     } else {
         target = GreatFairy_CreateForm(this, WINGS, 0);
         if (target != NULL) {
             PositionRelative(this, target, 0, Q_16_16(-20.0));
             this->action = 5;
-            this->actionDelay = 120;
-            this->field_0xf = 0;
+            this->timer = 120;
+            this->subtimer = 0;
         }
     }
 }
@@ -149,13 +149,13 @@ void GreatFairy_MiniUpdate(Entity* this) {
 void GreatFairy_FinalUpdate(Entity* this) {
     Entity* target;
 
-    if (this->actionDelay != 0) {
-        --this->actionDelay;
+    if (this->timer != 0) {
+        --this->timer;
     } else {
-        if ((this->field_0xf == 0) && (target = GreatFairy_CreateForm(this, FORM9, 0), target != NULL)) {
+        if ((this->subtimer == 0) && (target = GreatFairy_CreateForm(this, FORM9, 0), target != NULL)) {
             PositionRelative(this, target, 0, Q_16_16(-76.0));
             target->parent = this;
-            this->field_0xf = 1;
+            this->subtimer = 1;
         }
     }
     GetNextFrame(this);
@@ -220,7 +220,7 @@ void GreatFairy_MiniInit(Entity* this) {
         aff->parent = this;
         GreatFairy_InitializeAnimation(this);
         this->spriteSettings.draw = 1;
-        this->field_0xf = 0;
+        this->subtimer = 0;
     }
 }
 
@@ -234,10 +234,10 @@ void GreatFairy_MiniRisingUpdate(Entity* this) {
         this->action = 2;
         SoundReq(SFX_HEART_CONTAINER_SPAWN);
     } else {
-        if (((this->z.HALF.HI == -10) && (this->field_0xf == 0)) &&
+        if (((this->z.HALF.HI == -10) && (this->subtimer == 0)) &&
             (target = GreatFairy_CreateForm(this, DROPLET, 0), target != NULL)) {
             PositionRelative(this, target, 0, Q_16_16(4.0));
-            this->field_0xf = 1;
+            this->subtimer = 1;
         }
     }
 }
@@ -270,7 +270,7 @@ void GreatFairy_MiniAffineInit2(Entity* this) {
 
     if (this->z.HALF.HI == -20) {
         this->action = 2;
-        this->actionDelay = 90;
+        this->timer = 90;
         this->speed = 4096;
         this->spriteRendering.b0 = 3;
         SetAffineInfo(this, 256, 256, 0);
@@ -279,7 +279,7 @@ void GreatFairy_MiniAffineInit2(Entity* this) {
 
 // Mini great fairy stretch
 void GreatFairy_MiniAffineUpdate(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         gRoomVars.animFlags |= 1;
         this->action = 3;
         sub_0805EC60(this);
@@ -335,7 +335,7 @@ void GreatFairy_BigRippleCallBehavior(Entity* this) {
 
 void GreatFairy_BigRippleInit(Entity* this) {
     GreatFairy_InitializeAnimation(this);
-    this->actionDelay = 120;
+    this->timer = 120;
     this->spriteSettings.draw = 1;
     this->spritePriority.b0 = 5;
     SoundReq(SFX_TELEPORTER);
@@ -345,8 +345,8 @@ void GreatFairy_BigRippleUpdate(Entity* this) {
     Entity* target;
 
     GetNextFrame(this);
-    if (this->actionDelay != 0) {
-        --this->actionDelay;
+    if (this->timer != 0) {
+        --this->timer;
     } else {
         target = GreatFairy_CreateForm(this, MINI, 0);
         if (target != NULL) {
@@ -400,15 +400,15 @@ void nullsub_516(Entity* this) {
 }
 
 void sub_080871A8(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 3;
-        this->actionDelay = 60;
+        this->timer = 60;
         gRoomVars.animFlags |= 4;
     }
 }
 
 void sub_080871D0(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         gRoomVars.animFlags |= 8;
         DeleteEntity(this);
     }
@@ -428,20 +428,20 @@ void sub_080871F8(Entity* this) {
 void sub_08087240(Entity* this) {
     if (gRoomVars.animFlags & 4) {
         this->action = 3;
-        this->actionDelay = 20;
+        this->timer = 20;
         this->direction = 16;
     }
 }
 
 void sub_08087264(Entity* this) {
-    if (this->actionDelay != 0) {
-        this->actionDelay--;
+    if (this->timer != 0) {
+        this->timer--;
         LinearMoveUpdate(this);
     }
 }
 
 void sub_0808727C(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         DeleteEntity(this);
     }
 }
@@ -471,9 +471,9 @@ void sub_080872F8(Entity* this) {
                                                (s16)this->field_0x6a.HWORD);
         this->direction = (this->direction + gUnk_081207AC[Random() & 3]) & 0x1f;
     }
-    temp = gSineTable[this->actionDelay + 64];
+    temp = gSineTable[this->timer + 64];
     this->z.HALF.HI = (temp >> 6) - 8;
-    this->actionDelay++;
+    this->timer++;
 }
 
 void GreatFairy_InitializeAnimation(Entity* this) {
@@ -500,13 +500,13 @@ Entity* GreatFairy_CreateForm(Entity* this, u32 curForm, u32 parameter) {
 void sub_080873D0(Entity* this) {
     Entity* ent;
 
-    if (this->actionDelay != 0) {
-        this->actionDelay--;
+    if (this->timer != 0) {
+        this->timer--;
     } else {
         ent = GreatFairy_CreateForm(this, 8, 0);
         if (ent != NULL) {
             CopyPosition(this, ent);
-            this->actionDelay = 48;
+            this->timer = 48;
         }
     }
 }
diff --git a/src/object/gyorgBossObject.c b/src/object/gyorgBossObject.c
index ebbec424..b0f0920b 100644
--- a/src/object/gyorgBossObject.c
+++ b/src/object/gyorgBossObject.c
@@ -120,7 +120,7 @@ void GyorgBossObject_FemalePhase1(GyorgBossObjectEntity* this) {
     if (((GyorgHeap*)super->myHeap)->female->base.health == 0) {
         // start male phase 1
         super->action = 3;
-        super->actionDelay = 0x23;
+        super->timer = 0x23;
         this->unk_6c = 1;
         this->unk_78 = 0x400;
         this->unk_7b = 1;
@@ -156,7 +156,7 @@ void GyorgBossObject_FemalePhase2(GyorgBossObjectEntity* this) {
         // start male phase 2
         ((GyorgHeap*)super->myHeap)->male1->base.health = 12;
         super->action = 5;
-        super->actionDelay = 0x23;
+        super->timer = 0x23;
         this->unk_6c = 2;
         this->unk_78 = 0x400;
         this->unk_7b = 1;
@@ -191,7 +191,7 @@ void GyorgBossObject_FemalePhase3(GyorgBossObjectEntity* this) {
         // start male phase 3
         ((GyorgHeap*)super->myHeap)->male2->base.health = 12;
         super->action = 7;
-        super->actionDelay = 0x23;
+        super->timer = 0x23;
         this->unk_6c = 0x104;
         this->unk_78 = 0x400;
         SoundReq(SFX_BOSS_DIE);
@@ -227,8 +227,8 @@ void GyorgBossObject_FemalePhase4(GyorgBossObjectEntity* this) {
         gRoomTransition.field_0x39 = 0;
         if (sub_08079F8C() && gPlayerEntity.z.HALF.HI == 0) {
             super->action = 9;
-            super->actionDelay = 0;
-            super->field_0xf = 0xF0;
+            super->timer = 0;
+            super->subtimer = 0xF0;
             this->timer = 0x1a4;
             super->direction = 0;
             super->speed = 0x60;
@@ -246,12 +246,12 @@ void GyorgBossObject_FightEnd(GyorgBossObjectEntity* this) {
     if (this->timer == 0) {
         LinearMoveUpdate(super);
         sub_080A1E54(this);
-        if (--super->field_0xf == 0) {
+        if (--super->subtimer == 0) {
             SetFlag(0x7B);
             sub_0808091C(&gUnk_0813ABD0, 8);
             return;
         }
-        if (super->field_0xf == 0x3C) {
+        if (super->subtimer == 0x3C) {
             SetFade(7, 4);
         }
         return;
@@ -350,7 +350,7 @@ void sub_080A1DCC(GyorgBossObjectEntity* this) {
 
 void sub_080A1E54(GyorgBossObjectEntity* this) {
     Entity* fx;
-    if ((++super->actionDelay & 0x1F) == 0) {
+    if ((++super->timer & 0x1F) == 0) {
         fx = CreateFx(super, FX_GIANT_EXPLOSION4, 0);
         if (fx) {
             u32 r = Random();
@@ -444,9 +444,9 @@ void GyorgBossObject_SpawnChildren(u32 unk0, bool32 fromBlue, u32 animationState
 }
 
 void sub_080A1FF0(GyorgBossObjectEntity* this) {
-    if (super->actionDelay != 0) {
-        super->actionDelay--;
-        if (super->actionDelay <= 0x20 && (super->actionDelay & 0xF) == 0) {
+    if (super->timer != 0) {
+        super->timer--;
+        if (super->timer <= 0x20 && (super->timer & 0xF) == 0) {
             Entity* fx;
             fx = CreateFx(super, FX_GIANT_EXPLOSION4, 0);
             if (fx) {
@@ -462,10 +462,10 @@ void sub_080A1FF0(GyorgBossObjectEntity* this) {
     if (this->unk_7b) {
         if (EntityWithinDistance(&gPlayerEntity, gRoomControls.origin_x + 0x200, gRoomControls.origin_y + 0x210,
                                  0x100)) {
-            if (super->actionDelay == 0) {
-                super->actionDelay = 0x78;
+            if (super->timer == 0) {
+                super->timer = 0x78;
             } else {
-                if (super->actionDelay == 0x23) {
+                if (super->timer == 0x23) {
                     InitScreenShake(0x1e, 0);
                 }
             }
diff --git a/src/object/heartContainer.c b/src/object/heartContainer.c
index 421990cb..89f7cc8e 100644
--- a/src/object/heartContainer.c
+++ b/src/object/heartContainer.c
@@ -44,13 +44,13 @@ static void sub_0808E6E4(Entity* this) {
 }
 
 static void sub_0808E714(Entity* this) {
-    int var0 = 0x400 - this->field_0xf * 8;
+    int var0 = 0x400 - this->subtimer * 8;
     if (var0 > 0x100) {
-        this->field_0xf++;
+        this->subtimer++;
         SetAffineInfo(this, var0, var0, 0);
     } else {
         this->action = 3;
-        this->field_0x3c |= 0x10;
+        this->collisionFlags |= 0x10;
         sub_0805EC60(this);
         SoundReq(SFX_HEART_CONTAINER_SPAWN);
     }
diff --git a/src/object/hittableLever.c b/src/object/hittableLever.c
index 401e9671..293035a8 100644
--- a/src/object/hittableLever.c
+++ b/src/object/hittableLever.c
@@ -33,7 +33,7 @@ void HittableLever(HittableLeverEntity* this) {
 void HittableLever_Init(HittableLeverEntity* this) {
     super->action = 1;
     super->flags |= ENT_COLLIDE;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hitType = 0x8f;
     super->flags2 = 0xa;
     super->hitbox = (Hitbox*)&HittableLever_Hitbox;
@@ -50,7 +50,7 @@ void HittableLever_Init(HittableLeverEntity* this) {
 }
 
 void HittableLever_Idle(HittableLeverEntity* this) {
-    if (((super->bitfield & 0x80) != 0) && (this->wasHit == 0)) {
+    if (((super->contactFlags & 0x80) != 0) && (this->wasHit == 0)) {
         this->wasHit = 1;
         super->type ^= 1;
         super->iframes = -0x18;
diff --git a/src/object/houseDoorExterior.c b/src/object/houseDoorExterior.c
index baadd362..828497e4 100644
--- a/src/object/houseDoorExterior.c
+++ b/src/object/houseDoorExterior.c
@@ -43,7 +43,7 @@ void sub_080866D8(Entity* this) {
     if (this->action == 0) {
         this->action = 1;
         *((u32*)(&this->field_0x68)) = 0;
-        this->field_0x6c.HALF.LO = this->actionDelay;
+        this->field_0x6c.HALF.LO = this->timer;
         SetDefaultPriority(this, PRIO_PLAYER_EVENT);
     }
 
@@ -94,7 +94,7 @@ void sub_0808681C(Entity* this) {
     switch (this->action) {
         case 0:
             this->action = 1;
-            this->actionDelay = 8;
+            this->timer = 8;
             this->spriteSettings.draw = 1;
             this->frameIndex = 0;
             this->hitbox = &gUnk_081206AC;
@@ -127,7 +127,7 @@ void sub_080868B0(Entity* this) {
         this->action = 1;
         this->spriteSettings.draw = 1;
         this->hitbox = &gUnk_081206AC;
-        this->actionDelay = 8;
+        this->timer = 8;
     }
     ExecuteScript(this, *(ScriptExecutionContext**)&this->cutsceneBeh);
     sub_080868EC(this, *(void**)&this->cutsceneBeh);
@@ -159,25 +159,25 @@ void sub_0808692C(Entity* this) {
     this->type2 = 2;
     this->action = (this->frameIndex == 0) ? 1 : 2;
     this->subAction = 0;
-    this->actionDelay = 8;
+    this->timer = 8;
 }
 
 static u8 sub_08086954(Entity* this) {
     if (sub_0800445C(this)) {
         if (GetAnimationStateInRectRadius(this, 6, 20) >= 0 && gPlayerEntity.animationState == 0 &&
             (u16)gPlayerState.field_0x90 == 0x400 && gPlayerState.jump_status == 0) {
-            this->actionDelay--;
+            this->timer--;
         }
     } else {
-        this->actionDelay = 8;
+        this->timer = 8;
     }
-    return this->actionDelay;
+    return this->timer;
 }
 
 void sub_080869A4(Entity* this, ScriptExecutionContext* context) {
     context->condition = 0;
     if (!sub_08086954(this)) {
-        this->actionDelay = 8;
+        this->timer = 8;
         context->condition = 1;
     }
 }
diff --git a/src/object/houseDoorInterior.c b/src/object/houseDoorInterior.c
index 6ca11ef6..ae0a247e 100644
--- a/src/object/houseDoorInterior.c
+++ b/src/object/houseDoorInterior.c
@@ -61,10 +61,10 @@ void HouseDoorInterior_Init(HouseDoorInteriorEntity* this) {
     }
     super->action = 1;
     super->spriteSettings.draw = 1;
-    this->unk7d = super->actionDelay;
+    this->unk7d = super->timer;
     super->spritePriority.b0 = 7;
     super->hitbox = (Hitbox*)&HouseDoorInteriorHitbox;
-    super->actionDelay = 8;
+    super->timer = 8;
     ptr = HouseDoorInteriorFrameIndices + super->type;
     if (ptr->frameIndex == 0xff) {
         super->frameIndex = super->type2;
@@ -87,13 +87,13 @@ void HouseDoorInterior_Action1(HouseDoorInteriorEntity* this) {
         ptr = gUnk_081227CC + super->type2;
         if (GetAnimationStateInRectRadius(super, ptr->x, ptr->y) >= 0 &&
             ptr->animationState == gPlayerEntity.animationState && gPlayerState.field_0x90 & ptr->unk2) {
-            --super->actionDelay;
+            --super->timer;
         }
     } else {
-        super->actionDelay = 8;
+        super->timer = 8;
     }
 
-    if (super->actionDelay == 0) {
+    if (super->timer == 0) {
         super->action = 2;
         sub_08078AC0(8, 0, 0);
         SoundReq(SFX_111);
diff --git a/src/object/itemForSale.c b/src/object/itemForSale.c
index c119010f..2718a209 100644
--- a/src/object/itemForSale.c
+++ b/src/object/itemForSale.c
@@ -23,7 +23,7 @@ typedef struct {
 
 typedef struct {
     u8 before[0x20];
-    u8 unk_20[0x4]; // TODO for Entity this is zVelocity which is not an array. spriteAnimation[super->field_0xf-6] does
+    u8 unk_20[0x4]; // TODO for Entity this is zVelocity which is not an array. spriteAnimation[super->subtimer-6] does
                     // not match.
 } ModifiedParentEntity;
 
@@ -49,7 +49,7 @@ void ItemForSale(ItemForSaleEntity* this) {
     if (CheckOnScreen(super)) {
         sub_08080CB4(super);
     }
-    switch (super->actionDelay) {
+    switch (super->timer) {
         case 1:
         case 2:
             if (super->action == 1) {
@@ -66,13 +66,13 @@ void ItemForSale_Init(ItemForSaleEntity* this) {
     super->action = 1;
     super->spriteSettings.draw = 1;
     super->spritePriority.b1 = 0;
-    super->field_0x16 = 0;
+    super->carryFlags = 0;
 #ifdef EU
     SetDefaultPriority(super, 6);
 #endif
     super->child = super;
     sub_08081A5C(this);
-    switch (super->actionDelay) {
+    switch (super->timer) {
         case 0:
             super->hitbox = (Hitbox*)&gUnk_080FD328;
             break;
@@ -133,7 +133,7 @@ void sub_080819B4(ItemForSaleEntity* this) {
 
     if (gRoomVars.shopItemType == 0) {
         if (super->parent != NULL) {
-            ((ModifiedParentEntity*)super->parent)->unk_20[super->field_0xf] = 0xff;
+            ((ModifiedParentEntity*)super->parent)->unk_20[super->subtimer] = 0xff;
         }
         DeleteThisEntity();
     }
@@ -158,7 +158,7 @@ void sub_080819B4(ItemForSaleEntity* this) {
 
 void sub_08081A5C(ItemForSaleEntity* this) {
     u32 tmp = sub_080787D8(super);
-    if (super->actionDelay == 1) {
+    if (super->timer == 1) {
         gUnk_03003DF0.array[tmp].unk_2 = 0;
     }
 }
diff --git a/src/object/itemOnGround.c b/src/object/itemOnGround.c
index b4683933..b356c38a 100644
--- a/src/object/itemOnGround.c
+++ b/src/object/itemOnGround.c
@@ -35,14 +35,14 @@ typedef struct {
 extern const Unk_0811E84C gUnk_0811E84C[];
 
 void ItemOnGround(Entity* this) {
-    if (this->bitfield & 0x80) {
-        switch (this->bitfield & 0x7F) {
+    if (this->contactFlags & 0x80) {
+        switch (this->contactFlags & 0x7F) {
             case 20:
                 this->action = 3;
                 COLLISION_OFF(this);
                 this->spriteSettings.draw = 1;
-                this->field_0x3c |= 0x10;
-                this->child = this->field_0x4c;
+                this->collisionFlags |= 0x10;
+                this->child = this->contactedEntity;
                 break;
             case 0:
             case 1:
@@ -83,7 +83,7 @@ void sub_08080F20(Entity* this) {
         this->spritePriority.b1 = 3;
         this->spriteSettings.shadow = 0;
         this->hitType = 7;
-        this->field_0x3c = 0x47;
+        this->collisionFlags = 0x47;
         this->hurtType = 0x44;
         this->health = 0xFF;
         this->hitbox = (Hitbox*)&gUnk_080FD1A8;
@@ -105,19 +105,19 @@ void sub_08080F20(Entity* this) {
                 break;
         }
 
-        this->field_0x68.HALF.HI = this->actionDelay;
+        this->field_0x68.HALF.HI = this->timer;
         this->field_0x6a.HALF.LO = 0;
         this->field_0x6c.HWORD = 0;
         this->field_0x68.HALF.LO = 0;
-        this->actionDelay = 0;
+        this->timer = 0;
         SetDefaultPriority(this, PRIO_NO_BLOCK);
-        this->field_0x1c = sub_0808147C(this->type);
+        this->gustJarFlags = sub_0808147C(this->type);
         gUnk_0811E7E8[this->field_0x68.HALF.HI](this);
     } else {
         Entity* entity = CreateObject(FAIRY, 0x60, 0);
         if (entity != NULL) {
-            entity->actionDelay = 0;
-            if (this->actionDelay == 1) {
+            entity->timer = 0;
+            if (this->timer == 1) {
                 entity->type2 = 2;
             }
             CopyPosition(this, entity);
@@ -286,7 +286,7 @@ void sub_08081328(Entity* this) {
 }
 
 void sub_0808136C(Entity* this) {
-    if (--this->actionDelay) {
+    if (--this->timer) {
         Entity* other = this->child;
         this->x.WORD = other->x.WORD;
         this->y.WORD = other->y.WORD;
@@ -304,7 +304,7 @@ void sub_080813BC(Entity* this) {
 
 void sub_080813D4(Entity* this) {
     this->subAction = 1;
-    this->field_0x1d = 1;
+    this->gustJarTolerance = 1;
     this->spriteSettings.draw = 1;
 }
 
@@ -417,7 +417,7 @@ void sub_08081598(Entity* this) {
 
     COLLISION_OFF(this);
     this->action = 4;
-    this->actionDelay = 14;
+    this->timer = 14;
     this->zVelocity = Q_16_16(2.0);
     this->spriteSettings.draw = 1;
     this->spritePriority.b1 = 2;
diff --git a/src/object/jarPortal.c b/src/object/jarPortal.c
index adcd258f..355a6b78 100644
--- a/src/object/jarPortal.c
+++ b/src/object/jarPortal.c
@@ -18,7 +18,7 @@ void JarPortal(Entity* this) {
 void sub_0808BE9C(Entity* this) {
     COLLISION_ON(this);
     this->hitType = 1;
-    this->field_0x3c = 0x47;
+    this->collisionFlags = 0x47;
     this->hurtType = 0x44;
     this->flags2 = 0x80;
     this->field_0x68.HALF.LO = 0;
@@ -75,7 +75,7 @@ void sub_0808BF58(Entity* this) {
             UpdateAnimationSingleFrame(this);
             if (!this->z.HALF.HI) {
                 ++this->action;
-                this->field_0xf = 0;
+                this->subtimer = 0;
                 InitAnimationForceUpdate(this, 1);
                 sub_0808C148(this, 1);
             }
@@ -115,8 +115,8 @@ void sub_0808C01C(Entity* this, u32 r1) {
                 }
             }
             CreateMagicSparkles(this->x.HALF.HI, this->y.HALF.HI, this->collisionLayer);
-            if (this->field_0xf == 0) {
-                this->field_0xf = 1;
+            if (this->subtimer == 0) {
+                this->subtimer = 1;
                 SoundReq(SFX_NEAR_PORTAL);
             }
         }
@@ -151,7 +151,7 @@ void sub_0808C0AC(Entity* this) {
 }
 
 u32 sub_0808C128(Entity* this) {
-    return this->bitfield == 157;
+    return this->contactFlags == 157;
 }
 
 void sub_0808C13C(Entity* this) {
diff --git a/src/object/keyStealingTakkuri.c b/src/object/keyStealingTakkuri.c
index 76fd3480..d1dc56bf 100644
--- a/src/object/keyStealingTakkuri.c
+++ b/src/object/keyStealingTakkuri.c
@@ -61,8 +61,8 @@ void KeyStealingTakkuri_Type0_Init(KeyStealingTakkuriEntity* this) {
     Entity* entity;
     super->action++;
     super->collisionLayer = 1;
-    super->actionDelay = 0x1e;
-    super->field_0xf = 0;
+    super->timer = 0x1e;
+    super->subtimer = 0;
     super->spriteRendering.b3 = 1;
     super->speed = 0;
     super->direction = 0x18;
@@ -78,7 +78,7 @@ void KeyStealingTakkuri_Type0_Init(KeyStealingTakkuriEntity* this) {
 }
 
 void KeyStealingTakkuri_Type0_Action1(KeyStealingTakkuriEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action++;
         super->y.WORD += 0x100000;
         super->z.WORD -= 0x100000;
@@ -92,8 +92,8 @@ void KeyStealingTakkuri_Type0_Action2(KeyStealingTakkuriEntity* this) {
     sub_0809E1F0(this);
     if ((s32)sub_080041DC(super, child->x.HALF.HI, child->y.HALF.HI) * 0x10 < super->speed) {
         super->action++;
-        super->actionDelay = 0x10;
-        super->field_0xf = 1;
+        super->timer = 0x10;
+        super->subtimer = 1;
         InitAnimationForceUpdate(super, 2);
     }
     UpdateAnimationSingleFrame(super);
@@ -101,8 +101,8 @@ void KeyStealingTakkuri_Type0_Action2(KeyStealingTakkuriEntity* this) {
 
 void KeyStealingTakkuri_Type0_Action3(KeyStealingTakkuriEntity* this) {
     sub_0809E1C8(this, sub_080045B4(super, gRoomControls.origin_x + 0x78, gRoomControls.origin_y + 0xa8));
-    if (super->actionDelay != 0) {
-        super->actionDelay--;
+    if (super->timer != 0) {
+        super->timer--;
         super->speed -= 0x80;
     }
     sub_0809E1F0(this);
@@ -141,7 +141,7 @@ void KeyStealingTakkuri_Type1_Action1(KeyStealingTakkuriEntity* this) {
         if (parent->next == NULL) {
             DeleteThisEntity();
         }
-        if (parent->field_0xf != 0) {
+        if (parent->subtimer != 0) {
             PositionRelative(parent, super, 0, 0x80000);
         }
         super->spriteSettings.draw = parent->spriteSettings.draw;
@@ -160,15 +160,15 @@ void KeyStealingTakkuri_Type5_Init(KeyStealingTakkuriEntity* this) {
     super->direction = 0x18;
     super->speed = 0x100;
     super->zVelocity = 0x20000;
-    super->actionDelay = 1;
+    super->timer = 1;
     SoundReq(SFX_RUPEE_BOUNCE);
 }
 
 void KeyStealingTakkuri_Type5_Action1(KeyStealingTakkuriEntity* this) {
     LinearMoveUpdate(super);
     if (sub_080044EC(super, 0x2000) < 2) {
-        if (super->actionDelay != 0) {
-            super->actionDelay--;
+        if (super->timer != 0) {
+            super->timer--;
             super->zVelocity = 0x10000;
         } else {
             super->action++;
@@ -189,8 +189,8 @@ void KeyStealingTakkuri_Type2_Init(KeyStealingTakkuriEntity* this) {
 
     super->action++;
     super->collisionLayer = 2;
-    super->actionDelay = 0x1e;
-    super->field_0xf = 1;
+    super->timer = 0x1e;
+    super->subtimer = 1;
     super->spriteRendering.b3 = 1;
     super->speed = 0;
     super->direction = 0x18;
@@ -213,7 +213,7 @@ void KeyStealingTakkuri_Type2_Init(KeyStealingTakkuriEntity* this) {
 }
 
 void KeyStealingTakkuri_Type2_Action1(KeyStealingTakkuriEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action++;
         SoundReq(SFX_146);
     }
@@ -236,7 +236,7 @@ void KeyStealingTakkuri_Type2_Action3(KeyStealingTakkuriEntity* this) {
     this->unk_6e += 8;
     if (--this->unk_6c == 0) {
         super->action++;
-        super->actionDelay = 0x1e;
+        super->timer = 0x1e;
         super->spriteSettings.flipX = 0;
     } else {
         sub_0809E238(this);
@@ -246,7 +246,7 @@ void KeyStealingTakkuri_Type2_Action3(KeyStealingTakkuriEntity* this) {
 }
 
 void KeyStealingTakkuri_Type2_Action4(KeyStealingTakkuriEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action++;
         SoundReq(SFX_15B);
     }
@@ -276,8 +276,8 @@ void KeyStealingTakkuri_Type3_Init(KeyStealingTakkuriEntity* this) {
 
     super->action++;
     super->collisionLayer = 2;
-    super->actionDelay = 0xa;
-    super->field_0xf = 0;
+    super->timer = 0xa;
+    super->subtimer = 0;
     super->spriteRendering.b3 = 1;
     super->speed = 0;
     super->direction = gUnk_0812412D[super->type2];
@@ -306,7 +306,7 @@ void KeyStealingTakkuri_Type3_Action1(KeyStealingTakkuriEntity* this) {
     switch (sub_0809E2C4(this, super->type2)) {
         case 1:
             super->action += 2;
-            super->actionDelay = 0xff;
+            super->timer = 0xff;
             InitAnimationForceUpdate(super, super->animIndex + 2);
             SoundReq(SFX_123);
             child = super->child;
@@ -320,17 +320,17 @@ void KeyStealingTakkuri_Type3_Action1(KeyStealingTakkuriEntity* this) {
             }
             break;
         case 2:
-            if (super->actionDelay == 0) {
+            if (super->timer == 0) {
                 super->action++;
                 InitAnimationForceUpdate(super, super->animIndex + 2);
                 SoundReq(SFX_123);
                 SoundReq(SFX_1F3);
             } else {
-                super->actionDelay--;
+                super->timer--;
             }
             break;
         default:
-            super->actionDelay = 0xa;
+            super->timer = 0xa;
             break;
     }
     UpdateAnimationSingleFrame(super);
@@ -342,7 +342,7 @@ void KeyStealingTakkuri_Type3_Action2(KeyStealingTakkuriEntity* this) {
     child = super->child;
     if ((child != NULL) && ((((child->x.HALF.HI - super->x.HALF.HI) ^ super->direction << 0xb) & 0x8000) != 0)) {
         super->action++;
-        super->field_0xf = 1;
+        super->subtimer = 1;
         SoundReq(SFX_102);
     }
     KeyStealingTakkuri_Type3_Action3(this);
@@ -357,7 +357,7 @@ void KeyStealingTakkuri_Type3_Action3(KeyStealingTakkuriEntity* this) {
         if (child != NULL) {
             child->parent = NULL;
         }
-        tmp = super->actionDelay & 0x80;
+        tmp = super->timer & 0x80;
         if (tmp != 0) {
             DeleteThisEntity();
         } else {
@@ -394,7 +394,7 @@ void sub_0809E0A0(KeyStealingTakkuriEntity* this) {
     if (obj != NULL) {
         obj->parent = super;
         super->child = obj;
-        super->field_0xf = 0;
+        super->subtimer = 0;
         CopyPosition(&gPlayerEntity, obj);
         obj->z.HALF.HI = 0xfff8;
     }
@@ -446,7 +446,7 @@ void sub_0809E0D4(KeyStealingTakkuriEntity* this, ScriptExecutionContext* contex
         if ((varX3 < 1) && (varY3 < 1)) {
             super->x.HALF.HI = varX;
             super->y.HALF.HI = varY;
-            super->field_0xf = 1;
+            super->subtimer = 1;
             SoundReq(SFX_102);
         } else {
             gActiveScriptInfo.commandSize = 0;
diff --git a/src/object/ladderUp.c b/src/object/ladderUp.c
index d45dd1f9..98a3b01a 100644
--- a/src/object/ladderUp.c
+++ b/src/object/ladderUp.c
@@ -12,7 +12,7 @@ void LadderUp(Entity* this) {
 
     switch (this->action) {
         case 0:
-            if (this->actionDelay) {
+            if (this->timer) {
                 uVar4 = 1;
             } else {
 #ifndef EU
@@ -43,13 +43,13 @@ void LadderUp(Entity* this) {
                 SoundReq(SFX_10B);
                 this->action = 2;
 #ifndef EU
-                this->actionDelay = 0x3c;
+                this->timer = 0x3c;
 #endif
             }
             break;
         case 2:
 #ifndef EU
-            if (--this->actionDelay) {
+            if (--this->timer) {
                 return;
             }
             this->action = 3;
diff --git a/src/object/lavaPlatform.c b/src/object/lavaPlatform.c
index 56338844..830ba02e 100644
--- a/src/object/lavaPlatform.c
+++ b/src/object/lavaPlatform.c
@@ -105,7 +105,7 @@ void sub_08092344(LavaPlatformEntity* this) {
         LavaPlatform_Type1Init,    LavaPlatform_Type1Action1, LavaPlatform_Type1Action2, LavaPlatform_Type1Action3,
         LavaPlatform_Type1Action4, LavaPlatform_Type1Action5, LavaPlatform_Type1Action6, LavaPlatform_Type1Action7,
     };
-    super->field_0xf = 0;
+    super->subtimer = 0;
     LavaPlatform_Type1Actions[super->action](this);
     sub_080926E4(this);
 }
@@ -114,7 +114,7 @@ void LavaPlatform_Type1Init(LavaPlatformEntity* this) {
     super->animationState = super->type2;
     super->spritePriority.b0 = 7;
     super->hurtType = 0x48;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->flags2 = 0x81;
     super->hitbox = (Hitbox*)&gUnk_080FD280;
     sub_0809264C(this);
@@ -134,13 +134,13 @@ void LavaPlatform_Type1Action1(LavaPlatformEntity* this) {
 }
 
 void LavaPlatform_Type1Action2(LavaPlatformEntity* this) {
-    if (super->bitfield == 0x9d) {
+    if (super->contactFlags == 0x9d) {
         sub_08092620(this);
     } else {
         if (LavaPlatform_IsPlayerOnPlatform(this)) {
             super->action = 3;
             super->flags &= ~ENT_COLLIDE;
-            super->actionDelay = 0x14;
+            super->timer = 0x14;
             gPlayerState.field_0x3f = 0xfd;
         }
     }
@@ -151,7 +151,7 @@ void LavaPlatform_Type1Action3(LavaPlatformEntity* this) {
     if (LavaPlatform_IsPlayerOnPlatform(this)) {
         gPlayerState.field_0x3f = 0xfd;
     }
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 4;
         this->timer = this->wobbleTime;
         super->spriteOffsetY = 0;
@@ -226,7 +226,7 @@ void LavaPlatform_Type1Action6(LavaPlatformEntity* this) {
 }
 
 void LavaPlatform_Type1Action7(LavaPlatformEntity* this) {
-    if (super->bitfield == 0x9d) {
+    if (super->contactFlags == 0x9d) {
         sub_08092620(this);
     }
 }
@@ -285,7 +285,7 @@ bool32 LavaPlatform_IsPlayerOnPlatform(LavaPlatformEntity* this) {
         sub_08079F8C()) {
         gPlayerState.field_0x14 = 1;
         if (gPlayerEntity.z.HALF.HI == 0) {
-            super->field_0xf = 1;
+            super->subtimer = 1;
             return TRUE;
         }
     }
@@ -294,7 +294,7 @@ bool32 LavaPlatform_IsPlayerOnPlatform(LavaPlatformEntity* this) {
 }
 
 void sub_080926E4(LavaPlatformEntity* this) {
-    sub_080A2BE4(super, super->field_0xf);
+    sub_080A2BE4(super, super->subtimer);
     if (super->action == 1) {
         (super->parent)->x.HALF.HI = super->x.HALF.HI;
         (super->parent)->y.HALF.HI = super->y.HALF.HI;
diff --git a/src/object/lightableSwitch.c b/src/object/lightableSwitch.c
index ec5fdad5..dcf5ca1e 100644
--- a/src/object/lightableSwitch.c
+++ b/src/object/lightableSwitch.c
@@ -24,7 +24,7 @@ void sub_0809EA34(Entity* this) {
     this->action = 1;
     COLLISION_ON(this);
     this->frameIndex = 0;
-    this->field_0x3c = 7;
+    this->collisionFlags = 7;
     this->hurtType = 0x48;
     this->hitType = 0x28;
     this->flags2 = 10;
@@ -36,7 +36,7 @@ void sub_0809EA34(Entity* this) {
 
 void sub_0809EA80(Entity* this) {
 
-    if ((this->bitfield & 0x80) != 0) {
+    if ((this->contactFlags & 0x80) != 0) {
         if (CheckFlags(this->field_0x86.HWORD) != 0) {
             ClearFlag(this->field_0x86.HWORD);
         } else {
@@ -96,7 +96,7 @@ void sub_0809EB80(Entity* this) {
     this->action = 1;
     COLLISION_ON(this);
     this->frameIndex = 3;
-    this->field_0x3c = 7;
+    this->collisionFlags = 7;
     this->hurtType = 0x48;
     this->hitType = 0x28;
     this->flags2 = 10;
@@ -110,9 +110,9 @@ void sub_0809EB80(Entity* this) {
 }
 
 void sub_0809EBD8(Entity* this) {
-    if ((this->bitfield & 0x80) != 0) {
+    if ((this->contactFlags & 0x80) != 0) {
         this->action = 2;
-        this->actionDelay = 0x10;
+        this->timer = 0x10;
         this->frameIndex = 2;
         SetFlag(this->field_0x86.HWORD);
         EnqueueSFX(SFX_110);
@@ -125,7 +125,7 @@ void sub_0809EC08(Entity* this) {
         this->action = 3;
 
     } else {
-        if (--this->actionDelay == 0) {
+        if (--this->timer == 0) {
             this->action = 1;
             this->frameIndex = 3;
             ClearFlag(this->field_0x86.HWORD);
diff --git a/src/object/lilypadLarge.c b/src/object/lilypadLarge.c
index 845fa697..241ee9de 100644
--- a/src/object/lilypadLarge.c
+++ b/src/object/lilypadLarge.c
@@ -66,11 +66,11 @@ void sub_08085504(LilypadLargeEntity* this) {
             }
         }
     }
-    if (super->actionDelay != 0) {
+    if (super->timer != 0) {
         if (sub_080040A2(super) == 0) {
             DeleteThisEntity();
         }
-        super->actionDelay = 0;
+        super->timer = 0;
     } else {
         if (EntityHasDuplicateID(super) != 0) {
             DeleteThisEntity();
@@ -81,7 +81,7 @@ void sub_08085504(LilypadLargeEntity* this) {
     super->spritePriority.b0 = 6;
     super->hitbox = &gUnk_08120640;
     super->flags |= ENT_COLLIDE;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hitType = 1;
     super->flags2 = 4;
     this->unk_78.WORD = 0x1000000;
@@ -172,13 +172,13 @@ void sub_08085B40(LilypadLargeEntity* this) {
             ResetCollisionLayer(&gPlayerEntity);
             sub_08085F1C(this);
             super->action = 1;
-            super->field_0xf = 4;
-            while (super->field_0xf != 0) {
+            super->subtimer = 4;
+            while (super->subtimer != 0) {
                 sub_080A2AF4(super, 8, 10);
-                super->field_0xf--;
+                super->subtimer--;
             }
-            super->field_0xf = 1;
-            super->actionDelay |= 0x80;
+            super->subtimer = 1;
+            super->timer |= 0x80;
             this->unk_70 = 0;
             this->unk_6c = 0;
             if (GetTileUnderEntity(super) == 0xd) {
@@ -338,7 +338,7 @@ void sub_08085F1C(LilypadLargeEntity* this) {
 }
 
 void sub_08085F48(LilypadLargeEntity* this) {
-    u32 tmp = super->actionDelay & 0x80;
+    u32 tmp = super->timer & 0x80;
     if (tmp != 0) {
         if (gPlayerState.floor_type == SURFACE_ICE) {
             ResetPlayerVelocity();
@@ -348,35 +348,35 @@ void sub_08085F48(LilypadLargeEntity* this) {
         if (this->unk_78.WORD_U < 0x1280000) {
             this->unk_78.WORD_U += 0x80000;
         } else {
-            super->actionDelay = 0;
+            super->timer = 0;
         }
     } else {
         if ((gPlayerState.flags & PL_FLAGS2) != 0) {
-            if (super->actionDelay != 0) {
+            if (super->timer != 0) {
                 if (this->unk_78.WORD_U < 0x1200000) {
                     this->unk_78.WORD_U += 0x8000;
                 } else {
-                    super->actionDelay = tmp;
+                    super->timer = tmp;
                 }
             } else {
                 if (this->unk_78.WORD_U > 0x1100000) {
                     this->unk_78.WORD_U -= 0x8000;
                 } else {
-                    super->actionDelay = 1;
+                    super->timer = 1;
                 }
             }
         } else {
-            if (super->actionDelay != 0) {
+            if (super->timer != 0) {
                 if (this->unk_78.WORD_U < 0x1100000) {
                     this->unk_78.WORD_U += 0x4000;
                 } else {
-                    super->actionDelay = 0;
+                    super->timer = 0;
                 }
             } else {
                 if (this->unk_78.WORD_U > 0x1060000) {
                     this->unk_78.WORD_U -= 0x4000;
                 } else {
-                    super->actionDelay = 1;
+                    super->timer = 1;
                 }
             }
         }
diff --git a/src/object/lilypadSmall.c b/src/object/lilypadSmall.c
index eed1578f..3f72f3e3 100644
--- a/src/object/lilypadSmall.c
+++ b/src/object/lilypadSmall.c
@@ -12,9 +12,9 @@ void LilypadSmall(Entity* this) {
 
     if (this->action == 0) {
         this->action = 1;
-        this->actionDelay = 0x5a;
+        this->timer = 0x5a;
         rand = Random();
-        this->field_0xf = rand;
+        this->subtimer = rand;
         this->frameIndex = (rand >> 0x10) & 3;
         this->spriteSettings.draw = TRUE;
         this->spritePriority.b0 = 7;
@@ -51,12 +51,12 @@ static void sub_08097B24(Entity* this) {
     u32 temp2;
     u16* temp3;
 
-    if (--this->actionDelay == 0) {
-        this->actionDelay = 90;
+    if (--this->timer == 0) {
+        this->timer = 90;
         this->frameIndex = (this->frameIndex + 1) & 3;
     }
     temp3 = gUnk_08123318;
-    temp2 = ++this->field_0xf;
+    temp2 = ++this->subtimer;
 
     temp = temp3[(temp2 >> 5) & 7];
     SetAffineInfo(this, temp, temp, 0);
diff --git a/src/object/litArea.c b/src/object/litArea.c
index f042209e..0c915d6a 100644
--- a/src/object/litArea.c
+++ b/src/object/litArea.c
@@ -15,14 +15,14 @@ void LitArea(Entity* this) {
         this->spriteRendering.b0 = 3;
         this->frameIndex = 3;
         this->flags |= ENT_PERSIST;
-        this->field_0xf = gRoomControls.room;
-        this->actionDelay = 2;
+        this->subtimer = gRoomControls.room;
+        this->timer = 2;
         this->field_0x68.HWORD = 0xfffe;
         this->field_0x6a.HWORD = 0x80;
         SetAffineInfo(this, 0x80, 0x80, 0);
     } else {
-        if (--this->actionDelay == 0) {
-            this->actionDelay = 2;
+        if (--this->timer == 0) {
+            this->timer = 2;
             this->field_0x6a.HWORD += this->field_0x68.HWORD;
             if (this->field_0x6a.HWORD < 0x78) {
                 this->field_0x68.HWORD = 1;
@@ -37,7 +37,7 @@ void LitArea(Entity* this) {
     gScreen.controls.windowOutsideControl = (gScreen.controls.windowOutsideControl & 0xff) | WINOUT_WINOBJ_BG0 |
                                             WINOUT_WINOBJ_BG1 | WINOUT_WINOBJ_BG2 | WINOUT_WINOBJ_OBJ |
                                             WINOUT_WINOBJ_CLR;
-    if ((gRoomControls.room != this->field_0xf) && (gRoomControls.reload_flags == 0)) {
+    if ((gRoomControls.room != this->subtimer) && (gRoomControls.reload_flags == 0)) {
         DeleteThisEntity();
     }
 }
diff --git a/src/object/lockedDoor.c b/src/object/lockedDoor.c
index ebe88f20..f1530d33 100644
--- a/src/object/lockedDoor.c
+++ b/src/object/lockedDoor.c
@@ -141,9 +141,9 @@ void sub_08083338(Entity* this) {
 }
 
 void sub_080834B4(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 2;
-        this->actionDelay = 7;
+        this->timer = 7;
         SetTile(this->field_0x74.HWORD, this->field_0x76.HWORD, this->collisionLayer);
         EnqueueSFX(SFX_10B);
     }
@@ -151,7 +151,7 @@ void sub_080834B4(Entity* this) {
 
 void sub_080834EC(Entity* this) {
     LinearMoveUpdate(this);
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         if (this->type & 0x80) {
             sub_08083638(this);
         } else {
@@ -169,7 +169,7 @@ void sub_08083518(Entity* this) {
 
 void sub_08083540(Entity* this) {
     LinearMoveUpdate(this);
-    if (!--this->actionDelay) {
+    if (!--this->timer) {
         if (this->type & 0x10) {
             this->type &= ~0x10;
             sub_080836A0(this);
@@ -214,7 +214,7 @@ void sub_080835F8(Entity* this) {
     if (this->interactType == 0 && !CheckFlags(this->field_0x86.HWORD))
         return;
     this->action = 1;
-    this->actionDelay = 0x14;
+    this->timer = 0x14;
     sub_08083658(this);
     SetFlag(this->field_0x86.HWORD);
     sub_080526F8(-1);
@@ -230,7 +230,7 @@ void sub_08083638(Entity* this) {
 void sub_08083658(Entity* this) {
     const struct_0811F680* tmp;
     this->action = 1;
-    this->actionDelay = 0x14;
+    this->timer = 0x14;
     this->direction = this->field_0x7c.BYTES.byte2 << 3;
     tmp = &gUnk_0811F680[this->field_0x7c.BYTES.byte2];
     this->x.HALF.HI += tmp->x;
@@ -250,7 +250,7 @@ void sub_080836A0(Entity* this) {
 void sub_080836DC(Entity* this, u32 unk_0, u32 unk_1) {
     const struct_0811F680* tmp;
     SetTile(0x4022, unk_1, this->collisionLayer);
-    this->actionDelay = 7;
+    this->timer = 7;
     this->spriteSettings.draw = 1;
     this->direction = (unk_0 << 3) ^ 0x10;
     tmp = &gUnk_0811F688[unk_0];
diff --git a/src/object/macroBook.c b/src/object/macroBook.c
index a69daa92..722ce8a4 100644
--- a/src/object/macroBook.c
+++ b/src/object/macroBook.c
@@ -35,8 +35,8 @@ void MacroBook(Entity* this) {
 
 void MacroBook_Init(MacroBookEntity* this) {
     super->action = 1;
-    super->actionDelay = 0x80;
-    super->field_0xf = 0;
+    super->timer = 0x80;
+    super->subtimer = 0;
     super->spriteRendering.b0 = 3;
     this->unk80 = 0x80;
     this->playerWithinRect = 0;
@@ -46,24 +46,24 @@ void MacroBook_Init(MacroBookEntity* this) {
     super->spriteRendering.b3 = 3;
     SetAffineInfo(super, this->unk80, this->unk80, 0);
     UpdateSpriteForCollisionLayer(super);
-    InitAnimationForceUpdate(super, super->field_0xf);
+    InitAnimationForceUpdate(super, super->subtimer);
     sub_0809A958(this);
 }
 
 void MacroBook_Action1(MacroBookEntity* this) {
     UpdateAnimationSingleFrame(super);
     sub_0809AA00(this);
-    if (super->actionDelay) {
-        super->actionDelay--;
+    if (super->timer) {
+        super->timer--;
     } else {
         if ((super->frame & ANIM_DONE) != 0) {
-            if (super->field_0xf == 3) {
+            if (super->subtimer == 3) {
                 super->action = 2;
-                super->actionDelay = 90;
-                super->field_0xf = 0;
+                super->timer = 90;
+                super->subtimer = 0;
                 InitAnimationForceUpdate(super, 2);
             } else {
-                InitAnimationForceUpdate(super, super->field_0xf);
+                InitAnimationForceUpdate(super, super->subtimer);
             }
         }
     }
@@ -72,22 +72,22 @@ void MacroBook_Action1(MacroBookEntity* this) {
 void MacroBook_Action2(MacroBookEntity* this) {
     UpdateAnimationSingleFrame(super);
     sub_0809AA00(this);
-    if (super->field_0xf < 2) {
+    if (super->subtimer < 2) {
         super->action = 1;
-        super->actionDelay = 0;
-    } else if (super->actionDelay) {
-        super->actionDelay--;
+        super->timer = 0;
+    } else if (super->timer) {
+        super->timer--;
         if (gPlayerClones[0] != 0) {
             return;
         }
         super->action = 1;
-        super->actionDelay = 0;
+        super->timer = 0;
     } else {
         if ((super->frame & ANIM_DONE) == 0) {
             return;
         }
         super->action = 3;
-        super->actionDelay = 0;
+        super->timer = 0;
         InitAnimationForceUpdate(super, 3);
         RequestPriorityDuration(super, 0x78);
     }
@@ -105,7 +105,7 @@ void MacroBook_Action3(MacroBookEntity* this) {
             sub_0809A9D4(this);
             break;
         case 0x20:
-            super->actionDelay++;
+            super->timer++;
             super->frame &= 0xdf;
             SetPlayerControl(0xff);
             SetGlobalFlag(0x2a);
@@ -114,7 +114,7 @@ void MacroBook_Action3(MacroBookEntity* this) {
             break;
     }
 
-    if (super->actionDelay) {
+    if (super->timer) {
         this->unk80 += 8;
         super->x.WORD += 0x400;
         SetAffineInfo(super, this->unk80, this->unk80, 0);
@@ -167,7 +167,7 @@ void sub_0809A9D4(MacroBookEntity* this) {
 void sub_0809AA00(MacroBookEntity* this) {
     Entity* ent;
 
-    super->field_0xf = 0;
+    super->subtimer = 0;
     if (super->child == NULL) {
         for (ent = FindEntityByID(NPC, TOWN_MINISH, 7); ent != NULL; ent = FindNextDuplicateID(ent, NPC)) {
             if (ent->type == 0 && ent->type2 == 8) {
@@ -202,7 +202,7 @@ void sub_0809AA9C(MacroBookEntity* this, Entity* ent, u32 arg3) {
     }
 
     if (ent->x.HALF.HI <= gRoomControls.origin_x + 0x15a) {
-        super->field_0xf++;
+        super->subtimer++;
         ent->spriteOffsetY++;
     }
 }
diff --git a/src/object/macroPlayer.c b/src/object/macroPlayer.c
index e3f2a377..4b9f4182 100644
--- a/src/object/macroPlayer.c
+++ b/src/object/macroPlayer.c
@@ -181,7 +181,7 @@ void MacroPlayer_Type0_Action4(MacroPlayerEntity* this) {
         }
     } else {
         super->action++;
-        super->actionDelay = 60;
+        super->timer = 60;
         this->unk68.HWORD = 0xc04;
         DeleteEntity(super->child);
         sub_0805EC60(super);
@@ -189,9 +189,9 @@ void MacroPlayer_Type0_Action4(MacroPlayerEntity* this) {
 }
 
 void MacroPlayer_Type0_Action5(MacroPlayerEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action++;
-        super->actionDelay = 0x10;
+        super->timer = 0x10;
     }
 }
 
@@ -199,7 +199,7 @@ void MacroPlayer_Type0_Action6(MacroPlayerEntity* this) {
     static const u8 gUnk_081216B4[] = { 0, 0x1a, 0x2, 0x5, 0x4, 0x11, 0x6, 0x1a };
     u32 uVar2;
 
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         uVar2 = gArea.portal_exit_dir;
         super->action += 1;
         super->action += uVar2;
diff --git a/src/object/mask.c b/src/object/mask.c
index 689d3a88..6571de7e 100644
--- a/src/object/mask.c
+++ b/src/object/mask.c
@@ -38,8 +38,8 @@ void sub_080929A4(Entity* this) {
 
     this->field_0x78.HWORD = ((Random() & 7) << 10) | 0x2000;
 
-    this->field_0xf = this->actionDelay >> 1;
-    this->actionDelay = 0;
+    this->subtimer = this->timer >> 1;
+    this->timer = 0;
 
     this->frameIndex = this->type2 & 0x3f;
 
@@ -67,8 +67,8 @@ void sub_08092A94(Entity* this) {
         return;
     }
 
-    if (this->x.HALF.HI - gPlayerEntity.x.HALF.HI >= this->field_0xf ||
-        this->x.HALF.HI - gPlayerEntity.x.HALF.HI <= -this->field_0xf) {
+    if (this->x.HALF.HI - gPlayerEntity.x.HALF.HI >= this->subtimer ||
+        this->x.HALF.HI - gPlayerEntity.x.HALF.HI <= -this->subtimer) {
         return;
     }
 
@@ -87,10 +87,10 @@ void sub_08092A94(Entity* this) {
 
 // Probably falling down
 void sub_08092B0C(Entity* this) {
-    if (this->actionDelay == 1) {
+    if (this->timer == 1) {
         this->action = 3;
 
-        this->actionDelay = 0;
+        this->timer = 0;
         switch (this->type2 & 0xC0) {
             case 0x80:
                 EnqueueSFX(SFX_SECRET);
@@ -106,7 +106,7 @@ void sub_08092B0C(Entity* this) {
         sub_080044EC(this, this->field_0x78.HWORD);
 
         if (this->z.HALF.HI == 0) {
-            this->actionDelay++;
+            this->timer++;
         }
     }
 }
diff --git a/src/object/mazaalBossObject.c b/src/object/mazaalBossObject.c
index adc3ab6d..b82c1910 100644
--- a/src/object/mazaalBossObject.c
+++ b/src/object/mazaalBossObject.c
@@ -81,7 +81,7 @@ void MazaalBossObject_Action0(MazaalBossObjectEntity* this) {
         sub_080809D4();
     } else {
         super->action = MAZAAL_BOSS_OBJECT_ACTION_1;
-        super->actionDelay = 30;
+        super->timer = 30;
         super->frameIndex = gRoomTransition.field_0x38;
         super->spritePriority.b0 = 7;
         super->spriteOffsetY = 0x20;
@@ -95,27 +95,27 @@ void MazaalBossObject_Action1(MazaalBossObjectEntity* this) {
 }
 
 void MazaalBossObject_Action2(MazaalBossObjectEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = MAZAAL_BOSS_OBJECT_ACTION_3;
-        super->actionDelay = 120;
+        super->timer = 120;
         gRoomControls.camera_target = super->child;
     }
 }
 
 void MazaalBossObject_Action3(MazaalBossObjectEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = MAZAAL_BOSS_OBJECT_ACTION_4;
-        super->actionDelay = 90;
+        super->timer = 90;
         super->child->subAction = 1;
     }
 }
 
 void MazaalBossObject_Action4(MazaalBossObjectEntity* this) {
     if (super->child->subAction > 2) {
-        if (--super->actionDelay == 0) {
+        if (--super->timer == 0) {
             super->action = MAZAAL_BOSS_OBJECT_ACTION_5;
-            super->actionDelay = 8;
-            super->field_0xf = 0;
+            super->timer = 8;
+            super->subtimer = 0;
             super->spriteRendering.alphaBlend = BLDALPHA_BLEND(1, 0);
 
             gScreen.controls.layerFXControl =
@@ -128,25 +128,25 @@ void MazaalBossObject_Action4(MazaalBossObjectEntity* this) {
 void MazaalBossObject_Action5(MazaalBossObjectEntity* this) {
     u32 tmp;
 
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
+    if (--super->timer == 0) {
+        super->timer = 8;
 
-        tmp = ++super->field_0xf;
+        tmp = ++super->subtimer;
         tmp &= 0xFF;
         gScreen.controls.alphaBlend = BLDALPHA_BLEND((0x10 - tmp) & 0xFF, tmp);
 
-        if (super->field_0xf > 15) {
+        if (super->subtimer > 15) {
             super->spriteRendering.alphaBlend = BLDALPHA_BLEND(4, 0);
             gScreen.controls.layerFXControl = 0;
             super->action = MAZAAL_BOSS_OBJECT_ACTION_6;
-            super->actionDelay = 15;
+            super->timer = 15;
             super->spriteSettings.draw = 0;
         }
     }
 }
 
 void MazaalBossObject_Action6(MazaalBossObjectEntity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->child->subAction = 6;
         gRoomTransition.field_0x38 = 0xF1;
 
@@ -155,18 +155,18 @@ void MazaalBossObject_Action6(MazaalBossObjectEntity* this) {
 }
 
 void MazaalBossObject_Action7(MazaalBossObjectEntity* this) {
-    if (super->child->actionDelay == 1) {
+    if (super->child->timer == 1) {
         super->action = MAZAAL_BOSS_OBJECT_ACTION_8;
         super->subAction = 0;
-        super->actionDelay = 180;
+        super->timer = 180;
     }
 }
 
 void MazaalBossObject_Action8(MazaalBossObjectEntity* this) {
     switch (super->subAction) {
         default:
-            if (--super->actionDelay == 0) {
-                super->actionDelay = 90;
+            if (--super->timer == 0) {
+                super->timer = 90;
                 super->subAction = 1;
                 SoundReq(SFX_SECRET_BIG);
                 SetFlag(0x31);
@@ -174,14 +174,14 @@ void MazaalBossObject_Action8(MazaalBossObjectEntity* this) {
             }
             break;
         case 1:
-            if (--super->actionDelay == 0) {
-                super->actionDelay = 120;
+            if (--super->timer == 0) {
+                super->timer = 120;
                 super->subAction = 2;
                 sub_0809AD68(this);
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 gRoomControls.camera_target = &gNewPlayerEntity.base;
                 gPlayerState.controlMode = CONTROL_1;
                 DeleteThisEntity();
diff --git a/src/object/metalDoor.c b/src/object/metalDoor.c
index 383949b5..fd5e7b22 100644
--- a/src/object/metalDoor.c
+++ b/src/object/metalDoor.c
@@ -37,7 +37,7 @@ void sub_080A0684(Entity* this) {
 void sub_080A0718(Entity* this) {
     if (sub_08083734(this, 2) != 0) {
         this->action = 2;
-        this->actionDelay = 0xc;
+        this->timer = 0xc;
         this->spriteSettings.draw = TRUE;
         this->direction = 0;
         this->y.HALF.HI += 0x24;
@@ -51,7 +51,7 @@ void sub_080A074C(Entity* this) {
 
     LinearMoveUpdate(this);
 
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 3;
         this->z.HALF.HI = 0;
         this->x.HALF.HI = this->field_0x70.HALF.LO;
@@ -73,7 +73,7 @@ void sub_080A074C(Entity* this) {
 void sub_080A07BC(Entity* this) {
     if (CheckFlags(this->field_0x86.HWORD)) {
         this->action = 4;
-        this->actionDelay = 0xc;
+        this->timer = 0xc;
         this->direction = 0x10;
         this->y.HALF.HI += 2;
         sub_080A0870(this);
@@ -85,7 +85,7 @@ void sub_080A07F0(Entity* this) {
 
     LinearMoveUpdate(this);
 
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         DeleteThisEntity();
     }
 }
diff --git a/src/object/minecart.c b/src/object/minecart.c
index 937439fe..f49042bf 100644
--- a/src/object/minecart.c
+++ b/src/object/minecart.c
@@ -28,11 +28,11 @@ void Minecart(Entity* this) {
         sub_080916EC, sub_080917DC, sub_080918A4, sub_080919AC, sub_08091C0C, sub_08091C98, sub_08091CC8, sub_08091D90,
     };
     actionFuncs[this->action]((MinecartEntity*)this);
-    this->bitfield = 0;
+    this->contactFlags = 0;
 }
 
 void sub_080916EC(MinecartEntity* this) {
-    struct_030010EC* unk = &gRoomTransition.minecart_data[super->actionDelay];
+    struct_030010EC* unk = &gRoomTransition.minecart_data[super->timer];
 
     this->minecartData = unk;
     if ((gRoomControls.room != unk->room) || (gPlayerState.flags & PL_IN_MINECART) != 0) {
@@ -46,7 +46,7 @@ void sub_080916EC(MinecartEntity* this) {
     super->hitbox = (Hitbox*)&gUnk_080FD310;
     COLLISION_ON(super);
     super->hitType = 1;
-    super->field_0x3c = 0x47;
+    super->collisionFlags = 0x47;
     super->hurtType = 0x44;
     super->flags2 = 0x80;
     super->direction = DirectionFromAnimationState(super->animationState);
@@ -57,7 +57,7 @@ void sub_080916EC(MinecartEntity* this) {
 }
 
 void sub_080917DC(MinecartEntity* this) {
-    if ((super->bitfield & 0x7f) == 0x1d) {
+    if ((super->contactFlags & 0x7f) == 0x1d) {
         super->zVelocity = Q_16_16(2.625);
         super->action = 7;
         InitAnimationForceUpdate(super, super->type2 + 4 + super->animationState);
@@ -66,15 +66,15 @@ void sub_080917DC(MinecartEntity* this) {
         if (sub_0800445C(super) != 0) {
             if (!((gPlayerState.flags & (PL_MINISH | PL_ROLLING)) || gPlayerState.field_0x1c ||
                   gPlayerState.heldObject || gPlayerState.jump_status)) {
-                super->actionDelay++;
+                super->timer++;
             } else {
-                super->actionDelay = 0;
+                super->timer = 0;
             }
         } else {
-            super->actionDelay = 0;
+            super->timer = 0;
         }
         if (super->type2 == 0) {
-            if (super->actionDelay > 8) {
+            if (super->timer > 8) {
                 super->action++;
                 gPlayerState.jump_status = 0x81;
                 gPlayerState.flags |= PL_ENTER_MINECART;
@@ -86,7 +86,7 @@ void sub_080917DC(MinecartEntity* this) {
                 SoundReq(SFX_PLY_JUMP);
             }
         } else {
-            super->actionDelay = 0;
+            super->timer = 0;
         }
     }
 }
@@ -102,10 +102,10 @@ void sub_080918A4(MinecartEntity* this) {
             gPlayerEntity.animationState = super->animationState << 1;
             gPlayerState.flags = (gPlayerState.flags ^ PL_ENTER_MINECART) | PL_IN_MINECART;
             super->action++;
-            super->field_0xf = 1;
+            super->subtimer = 1;
             super->flags |= ENT_PERSIST;
             super->hitType = 0x97;
-            super->field_0x3c = (gPlayerEntity.field_0x3c + 1) | 0x20;
+            super->collisionFlags = (gPlayerEntity.collisionFlags + 1) | 0x20;
             super->flags2 = gPlayerEntity.flags2;
             super->hurtType = 0x18;
             super->damage = 8;
@@ -152,9 +152,9 @@ void sub_080919AC(MinecartEntity* this) {
                 SoundReq(SFX_138);
             }
 
-            if (super->field_0xf-- == 0) {
+            if (super->subtimer-- == 0) {
                 SoundReq(SFX_PLY_VO7);
-                super->field_0xf = 0x3c;
+                super->subtimer = 0x3c;
             }
 
             uVar3 = GetRelativeCollisionTile(super, gUnk_081223C8[super->animationState * 2],
@@ -168,7 +168,7 @@ void sub_080919AC(MinecartEntity* this) {
                     case 0x64:
                         super->flags &= ~ENT_PERSIST;
                         super->hitType = 1;
-                        super->field_0x3c = 0x47;
+                        super->collisionFlags = 0x47;
                         super->hurtType = 0x44;
                         super->flags2 = 0x80;
                         super->action = 6;
diff --git a/src/object/minecartDoor.c b/src/object/minecartDoor.c
index 514e9b1a..e7f3e52c 100644
--- a/src/object/minecartDoor.c
+++ b/src/object/minecartDoor.c
@@ -74,7 +74,7 @@ void MinecartDoor_Init(MinecartDoorEntity* this) {
 void MinecartDoor_Action1(MinecartDoorEntity* this) {
     if (sub_08096CEC(this)) {
         super->action = 2;
-        super->actionDelay = 7;
+        super->timer = 7;
         super->direction = super->type << 3;
         SetTile(this->unk_74, this->unk_76, super->collisionLayer);
         EnqueueSFX(SFX_10B);
@@ -83,7 +83,7 @@ void MinecartDoor_Action1(MinecartDoorEntity* this) {
 
 void MinecartDoor_Action2(MinecartDoorEntity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         sub_08096E04(this);
         super->spriteSettings.draw = 0;
         super->x.HALF.HI = this->unk_70;
@@ -107,7 +107,7 @@ void MinecartDoor_Action3(MinecartDoorEntity* this) {
             }
             bVar3 = FALSE;
         } else {
-            bVar3 = --super->actionDelay * 0x1000000;
+            bVar3 = --super->timer * 0x1000000;
         }
     } else {
         bVar3 = sub_08096D84(this);
@@ -120,7 +120,7 @@ void MinecartDoor_Action3(MinecartDoorEntity* this) {
 
 void MinecartDoor_Action4(MinecartDoorEntity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 1;
         super->x.HALF.HI = this->unk_70;
         super->y.HALF.HI = this->unk_72;
@@ -189,5 +189,5 @@ bool32 sub_08096D84(MinecartDoorEntity* this) {
 
 void sub_08096E04(MinecartDoorEntity* this) {
     super->action = 3;
-    super->actionDelay = 8;
+    super->timer = 8;
 }
diff --git a/src/object/mineralWaterSource.c b/src/object/mineralWaterSource.c
index e4b438d4..40f40837 100644
--- a/src/object/mineralWaterSource.c
+++ b/src/object/mineralWaterSource.c
@@ -32,7 +32,7 @@ void MineralWaterSource_Init(Entity* this) {
 
     COLLISION_ON(this);
 
-    this->field_0x3c = 7;
+    this->collisionFlags = 7;
     this->hitType = 145;
     this->flags2 = 2;
 
@@ -40,5 +40,5 @@ void MineralWaterSource_Init(Entity* this) {
 }
 
 void sub_080973DC(Entity* this) {
-    this->bitfield = 0;
+    this->contactFlags = 0;
 }
diff --git a/src/object/minishEmoticon.c b/src/object/minishEmoticon.c
index 20c68e43..fe93538d 100644
--- a/src/object/minishEmoticon.c
+++ b/src/object/minishEmoticon.c
@@ -70,20 +70,20 @@ void sub_08082098(Entity* this) {
                         animIndex = origAnimIndex + 4;
                         if (this->animIndex != animIndex) {
                             this->z.WORD = 0;
-                            this->actionDelay = 6;
-                        } else if (this->actionDelay-- == 0) {
+                            this->timer = 6;
+                        } else if (this->timer-- == 0) {
                             switch (this->spriteOffsetY) {
                                 case 0:
                                     this->spriteOffsetY = -2;
-                                    this->actionDelay = 6;
+                                    this->timer = 6;
                                     break;
                                 case -2:
                                     this->spriteOffsetY = -1;
-                                    this->actionDelay = 6;
+                                    this->timer = 6;
                                     break;
                                 case -1:
                                     this->spriteOffsetY = 0;
-                                    this->actionDelay = 3;
+                                    this->timer = 3;
                                     break;
                             }
                         }
diff --git a/src/object/minishLight.c b/src/object/minishLight.c
index a316e499..3ec27575 100644
--- a/src/object/minishLight.c
+++ b/src/object/minishLight.c
@@ -9,8 +9,8 @@ void MinishLight(Entity* this) {
 void sub_0809F840(Entity* this) {
     this->action = 1;
     this->frameIndex = 0;
-    this->actionDelay = 0x20;
-    this->field_0xf = 0;
+    this->timer = 0x20;
+    this->subtimer = 0;
 
     if (this->type2 != 0) {
         this->spriteSettings.flipX = 1;
@@ -20,16 +20,16 @@ void sub_0809F840(Entity* this) {
 }
 
 void sub_0809F868(Entity* this) {
-    if (--this->actionDelay == 0) {
-        if (this->field_0xf == 0) {
+    if (--this->timer == 0) {
+        if (this->subtimer == 0) {
             if (++this->frameIndex == 3) {
-                this->field_0xf = 1;
+                this->subtimer = 1;
             }
         } else {
             if (--this->frameIndex == 0) {
-                this->field_0xf = 0;
+                this->subtimer = 0;
             }
         }
-        this->actionDelay = 32;
+        this->timer = 32;
     }
 }
diff --git a/src/object/minishSizedEntrance.c b/src/object/minishSizedEntrance.c
index bf235ee0..e40ac638 100644
--- a/src/object/minishSizedEntrance.c
+++ b/src/object/minishSizedEntrance.c
@@ -24,13 +24,13 @@ void sub_08090EC0(Entity* this) {
 void sub_08090F00(Entity* this) {
     if (this->type == 1) {
         Entity* parent = this->parent;
-        u32 mask = 1 << this->field_0xf;
+        u32 mask = 1 << this->subtimer;
         if (!(parent->zVelocity & mask)) {
             DeleteThisEntity();
         }
     }
     if ((gPlayerState.flags & PL_MINISH) && EntityInRectRadius(this, &gPlayerEntity, 4, 4) &&
         (gPlayerEntity.z.HALF.HI == 0) && (((u16)gPlayerState.field_0x90) & gUnk_0812225C[this->type2])) {
-        DoExitTransition(GetCurrentRoomProperty(this->actionDelay));
+        DoExitTransition(GetCurrentRoomProperty(this->timer));
     }
 }
diff --git a/src/object/object11.c b/src/object/object11.c
index 884491df..76f688b7 100644
--- a/src/object/object11.c
+++ b/src/object/object11.c
@@ -60,12 +60,12 @@ void Object11_Init(Object11Entity* this) {
     super->action = 2;
     super->flags |= ENT_COLLIDE;
     super->spriteRendering.b3 = 2;
-    super->field_0x1d = gUnk_08120588[super->type].unk_1;
-    super->field_0x1c = gUnk_08120588[super->type].unk_2;
+    super->gustJarTolerance = gUnk_08120588[super->type].unk_1;
+    super->gustJarFlags = gUnk_08120588[super->type].unk_2;
     super->speed = 0x80;
     super->collisionLayer = gPlayerEntity.collisionLayer;
     super->health = 1;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hitType = 0x6e;
     super->flags2 = 4;
     super->hitbox = (Hitbox*)&gUnk_081205B4;
@@ -76,7 +76,7 @@ void Object11_Init(Object11Entity* this) {
 }
 
 void Object11_Action1(Object11Entity* this) {
-    if (((gPlayerState.field_0x1c & 0xf) != 1) || ((super->bitfield & 0x7f) != 0x13)) {
+    if (((gPlayerState.field_0x1c & 0xf) != 1) || ((super->contactFlags & 0x7f) != 0x13)) {
         RestorePrevTileEntity(COORD_TO_TILE(super), super->collisionLayer);
         DeleteThisEntity();
     }
@@ -100,7 +100,7 @@ void Object11_Action2SubAction0(Object11Entity* this) {
 void Object11_Action2SubAction1(Object11Entity* this) {
     Object11_Action1(this);
     sub_0806F4E8(super);
-    if ((super->field_0x1d != 0) && (--super->field_0x1d == 0)) {
+    if ((super->gustJarTolerance != 0) && (--super->gustJarTolerance == 0)) {
         super->subAction = 2;
     }
 }
@@ -111,10 +111,10 @@ void Object11_Action2SubAction2(Object11Entity* this) {
         super->spriteOffsetX = 0;
         sub_0807B9B8(this->unk_70, COORD_TO_TILE(super), super->collisionLayer);
     }
-    if (((gPlayerState.field_0x1c & 0xf) != 1) || ((super->bitfield & 0x7f) != 0x13)) {
+    if (((gPlayerState.field_0x1c & 0xf) != 1) || ((super->contactFlags & 0x7f) != 0x13)) {
         Object11_Action2SubAction5(this);
     }
-    if (sub_0806F3E4(super) && ((super->field_0x1c & 0xf) == 1)) {
+    if (sub_0806F3E4(super) && ((super->gustJarFlags & 0xf) == 1)) {
         DeleteThisEntity();
     }
 }
@@ -130,12 +130,12 @@ void Object11_Action2SubAction5(Object11Entity* this) {
         case 0xff:
             break;
         case 0xf:
-            CreateFx(super, super->actionDelay, 0x80);
+            CreateFx(super, super->timer, 0x80);
             break;
         case 0:
             break;
         default:
-            CreateObjectWithParent(super, super->type2, super->actionDelay, 0);
+            CreateObjectWithParent(super, super->type2, super->timer, 0);
             break;
     }
     DeleteThisEntity();
diff --git a/src/object/object12.c b/src/object/object12.c
index bc5aa3d6..2b1ce0c5 100644
--- a/src/object/object12.c
+++ b/src/object/object12.c
@@ -41,7 +41,7 @@ void Object12_Init(Object12Entity* this) {
         sub_080850FC(this);
     } else {
         super->action = 2;
-        super->actionDelay = 0xf0;
+        super->timer = 0xf0;
         super->speed = 0x80;
         super->direction = 0x18;
     }
@@ -53,9 +53,9 @@ void Object12_Action1(Object12Entity* this) {
 
 NONMATCH("asm/non_matching/object12/Object12_Action2.inc", void Object12_Action2(Object12Entity* this)) {
     u32 tmp;
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 3;
-        super->actionDelay = 0x1e;
+        super->timer = 0x1e;
         super->spriteOffsetY = 4;
         gScreen.lcd.displayControl |= 0x2000;
         gScreen.controls.windowInsideControl = 0x1f;
@@ -69,15 +69,15 @@ NONMATCH("asm/non_matching/object12/Object12_Action2.inc", void Object12_Action2
 END_NONMATCH
 
 void Object12_Action3(Object12Entity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 4;
-        super->actionDelay = 0x60;
+        super->timer = 0x60;
     }
 }
 
 void Object12_Action4(Object12Entity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         gScreen.lcd.displayControl &= 0xdfff;
         DeleteEntity(super);
     }
diff --git a/src/object/object15.c b/src/object/object15.c
index 43b03d0b..183ff93b 100644
--- a/src/object/object15.c
+++ b/src/object/object15.c
@@ -28,9 +28,9 @@ void Object15_Action1(Entity* this) {
         this->spriteSettings.draw ^= 1;
     }
 
-    if ((int)(this->actionDelay * 0x1000000) >= 0) {
-        if (this->actionDelay) {
-            if (--this->actionDelay == 0) {
+    if ((int)(this->timer * 0x1000000) >= 0) {
+        if (this->timer) {
+            if (--this->timer == 0) {
                 DeleteThisEntity();
             }
         } else {
diff --git a/src/object/object1F.c b/src/object/object1F.c
index 2c548d67..351ff739 100644
--- a/src/object/object1F.c
+++ b/src/object/object1F.c
@@ -49,13 +49,13 @@ void Object1F_Init(Object1FEntity* this) {
     super->x.HALF.HI = gUnk_08120A20[super->animationState] + super->x.HALF.HI;
     super->y.HALF.HI = gUnk_08120A20[super->animationState + 1] + super->y.HALF.HI;
 
-    super->spriteVramOffset = gUnk_08120A18[super->field_0xf].spriteVramOffset;
-    temp = gUnk_08120A18[super->field_0xf].unk1;
+    super->spriteVramOffset = gUnk_08120A18[super->subtimer].spriteVramOffset;
+    temp = gUnk_08120A18[super->subtimer].unk1;
     super->palette.b.b0 = temp;
-    this->unk6c = gUnk_08120A18[super->field_0xf].unk2;
+    this->unk6c = gUnk_08120A18[super->subtimer].unk2;
     super->collisionLayer = gPlayerEntity.collisionLayer;
     super->speed = 0x100;
-    InitializeAnimation(super, gUnk_08120A18[super->field_0xf].animationState);
+    InitializeAnimation(super, gUnk_08120A18[super->subtimer].animationState);
 }
 
 void Object1F_Action1(Object1FEntity* this) {
@@ -92,9 +92,9 @@ void Object1F_Action2(Object1FEntity* this) {
         default:
             if (super->type2 != 0) {
                 if (super->type2 == 15) {
-                    CreateFx(super, super->actionDelay, 0x80);
+                    CreateFx(super, super->timer, 0x80);
                 } else {
-                    CreateObjectWithParent(super, super->type2, super->actionDelay, 0);
+                    CreateObjectWithParent(super, super->type2, super->timer, 0);
                 }
             }
     }
diff --git a/src/object/object20.c b/src/object/object20.c
index 9474f662..cf8c1d55 100644
--- a/src/object/object20.c
+++ b/src/object/object20.c
@@ -34,7 +34,7 @@ void sub_08087824(Entity* this) {
     }
     this->action = 1;
     this->flags |= 0x80;
-    this->field_0x3c = 0x13;
+    this->collisionFlags = 0x13;
     this->health = 0xff;
     this->hitType = 0xa9;
     this->hurtType = 0x16;
diff --git a/src/object/object21.c b/src/object/object21.c
index f25e1a50..4f085cf2 100644
--- a/src/object/object21.c
+++ b/src/object/object21.c
@@ -33,8 +33,8 @@ void Object21(Object21Entity* this) {
     };
     gUnk_08120A68[super->action](this);
     GetNextFrame(super);
-    if (super->actionDelay != 0) {
-        super->actionDelay--;
+    if (super->timer != 0) {
+        super->timer--;
     } else {
         if (super->animIndex == 0xa) {
             InitializeAnimation(super, 0xd);
@@ -79,14 +79,14 @@ void sub_08087A10(Object21Entity* this) {
         case 3:
             super->flags |= ENT_COLLIDE;
             super->health = 1;
-            super->field_0x3c = 7;
+            super->collisionFlags = 7;
             super->hitType = 0xaa;
             super->flags2 = 0x0e;
             super->hitbox = (Hitbox*)&gUnk_08120A8C;
-            super->field_0x1c = 0;
+            super->gustJarFlags = 0;
         case 2:
             rand = Random();
-            super->actionDelay = gUnk_08120A7A[rand & 3];
+            super->timer = gUnk_08120A7A[rand & 3];
             tmp = (rand >> 8) & 3;
             if ((rand & 0x10) != 0) {
                 tmp = -tmp;
@@ -104,12 +104,12 @@ void sub_08087A10(Object21Entity* this) {
 
 void sub_08087AFC(Object21Entity* this) {
     Object21Entity* entity;
-    if ((super->bitfield & 0x80) == 0) {
+    if ((super->contactFlags & 0x80) == 0) {
         return;
     }
-    switch (super->bitfield & 0x7f) {
+    switch (super->contactFlags & 0x7f) {
         case 0x16:
-            super->direction = GetFacingDirection(super->field_0x4c, super);
+            super->direction = GetFacingDirection(super->contactedEntity, super);
             super->speed = 0x100;
             break;
         case 0x13:
@@ -118,7 +118,7 @@ void sub_08087AFC(Object21Entity* this) {
             break;
         case 0x1b:
         case 0x1c:
-            entity = (Object21Entity*)super->field_0x4c;
+            entity = (Object21Entity*)super->contactedEntity;
             super->direction = CalculateDirectionTo(entity->unk_84, entity->unk_80, super->x.WORD, super->y.WORD);
             super->speed = 0x100;
             break;
@@ -131,7 +131,7 @@ void sub_08087B58(Object21Entity* this) {
         sub_08087B9C,
         sub_08087B9C,
     };
-    if ((super->bitfield & 0x80) != 0) {
+    if ((super->contactFlags & 0x80) != 0) {
         gUnk_08120A80[super->subAction](this);
     } else {
         super->action = 1;
@@ -143,7 +143,7 @@ const Hitbox gUnk_08120A8C = { 0, 0, { 6, 3, 3, 6 }, 3, 3 };
 void sub_08087B88(Object21Entity* this) {
     super->knockbackSpeed = 0x100;
     super->subAction = 1;
-    super->field_0x1d = 1;
+    super->gustJarTolerance = 1;
 }
 
 void sub_08087B9C(Object21Entity* this) {
diff --git a/src/object/object2A.c b/src/object/object2A.c
index 2f24592d..4ace87be 100644
--- a/src/object/object2A.c
+++ b/src/object/object2A.c
@@ -16,16 +16,16 @@ void Object2A_Init(Entity* this) {
     this->action = 1;
     this->spriteSettings.draw = TRUE;
     if (this->type2 != 0) {
-        this->actionDelay = this->type2;
+        this->timer = this->type2;
     }
     InitializeAnimation(this, 0);
     switch (this->type) {
         case 1:
             this->y.HALF.HI -= 8;
-            this->actionDelay = 0x28;
+            this->timer = 0x28;
             break;
         case 2:
-            this->actionDelay = 0xf;
+            this->timer = 0xf;
             sub_08004168(this);
             break;
         case 3:
@@ -52,7 +52,7 @@ void sub_08089BA0(Entity* this) {
                 return;
         case 1:
         case 2:
-            if (this->actionDelay-- != 0)
+            if (this->timer-- != 0)
                 return;
             if (this->type == 2) {
                 sub_0807B7D8(((u16*)this->child)[3], COORD_TO_TILE(this), this->collisionLayer);
@@ -67,7 +67,7 @@ void sub_08089BA0(Entity* this) {
             if (this->parent->next == NULL) {
                 DeleteThisEntity();
             }
-            if (--this->actionDelay == 0) {
+            if (--this->timer == 0) {
                 DeleteThisEntity();
             }
 
diff --git a/src/object/object30.c b/src/object/object30.c
index dca304b4..4f6f1d33 100644
--- a/src/object/object30.c
+++ b/src/object/object30.c
@@ -89,7 +89,7 @@ void Object30_Action2(Object30Entity* this) {
             }
             // fallthrough
         case 1:
-            tmp = gUnk_08121194[(super->field_0xf++ >> 3) & 7];
+            tmp = gUnk_08121194[(super->subtimer++ >> 3) & 7];
             super->z.HALF.HI = tmp << 0x18 >> 0x18;
             if (!IsCollidingPlayer(super)) {
                 return;
@@ -102,12 +102,12 @@ void Object30_Action2(Object30Entity* this) {
 
 void sub_0808A968(Object30Entity* this) {
     super->action = 2;
-    super->actionDelay = 0x1e;
+    super->timer = 0x1e;
     super->spriteSettings.draw = 1;
     super->zVelocity = 0x28000;
     super->spritePriority.b1 = 3;
     super->spriteSettings.shadow = 0;
-    super->field_0x3c |= 0x10;
+    super->collisionFlags |= 0x10;
     super->hitbox = (Hitbox*)&gUnk_08121C58;
     SetDefaultPriority(super, 2);
     this->unk_70 = 0x2800;
diff --git a/src/object/object35.c b/src/object/object35.c
index 5a7f0a83..cee74852 100644
--- a/src/object/object35.c
+++ b/src/object/object35.c
@@ -60,15 +60,15 @@ void Object35_Type0Init(Object35Entity* this) {
     super->collisionLayer = 2;
     UpdateSpriteForCollisionLayer(super);
     super->spritePriority.b0 = 1;
-    super->actionDelay = -0x4c;
+    super->timer = -0x4c;
     InitializeAnimation(super, super->type2);
 }
 
 void Object35_Type0Action1(Object35Entity* this) {
     s8 tmp;
     GetNextFrame(super);
-    if (--super->actionDelay == 0) {
-        super->actionDelay = -0x4c;
+    if (--super->timer == 0) {
+        super->timer = -0x4c;
         super->type2++;
         tmp = 3;
         super->type2 = super->type2 % tmp;
@@ -97,22 +97,22 @@ void Object35_Type1Init(Object35Entity* this) {
     super->spritePriority.b0 = 5;
     this->unk_76 = COORD_TO_TILE(super);
     this->unk_74 = GetTileIndex(this->unk_76, super->collisionLayer);
-    if (super->actionDelay == 0) {
+    if (super->timer == 0) {
         super->action = 1;
-        super->field_0xf = 0x78;
+        super->subtimer = 0x78;
         SetTile(0x4022, this->unk_76, super->collisionLayer);
     } else {
         super->action = 3;
         super->spriteSettings.draw = 0;
         super->spriteSettings.flipY = 1;
-        super->actionDelay = 0;
+        super->timer = 0;
     }
 }
 
 void Object35_Type1Action1(Object35Entity* this) {
     if (CheckRoomFlag(0)) {
         super->action = 2;
-        super->actionDelay = 7;
+        super->timer = 7;
         super->direction = 0;
         SetTile(this->unk_74, this->unk_76, super->collisionLayer);
         EnqueueSFX(SFX_10B);
@@ -121,9 +121,9 @@ void Object35_Type1Action1(Object35Entity* this) {
 
 void Object35_Type1Action2(Object35Entity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 5;
-        super->actionDelay = 8;
+        super->timer = 8;
         super->spriteSettings.draw = 0;
         super->x.HALF.HI = this->unk_70;
         super->y.HALF.HI = this->unk_72;
@@ -139,7 +139,7 @@ void Object35_Type1Action3(Object35Entity* this) {
 
 void Object35_Type1Action4(Object35Entity* this) {
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action = 5;
         sub_08083814(super, 2);
         EnqueueSFX(SFX_10B);
@@ -160,7 +160,7 @@ void Object35_Type2(Object35Entity* this) {
 
 void Object35_Type2Init(Object35Entity* this) {
     super->action = 1;
-    super->actionDelay = 0x10;
+    super->timer = 0x10;
     super->z.HALF.HI -= 0x10;
     if (super->type2 == 0) {
         super->frameIndex = 2;
@@ -174,7 +174,7 @@ void Object35_Type2Init(Object35Entity* this) {
 }
 
 void Object35_Type2Action1(Object35Entity* this) {
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         DeleteThisEntity();
     }
 }
diff --git a/src/object/object36.c b/src/object/object36.c
index 94dae2b3..cb262560 100644
--- a/src/object/object36.c
+++ b/src/object/object36.c
@@ -38,14 +38,14 @@ void sub_0808BB30(Object36Entity* this) {
     } else {
         super->action = 1;
         super->flags |= ENT_COLLIDE;
-        super->actionDelay = 0x78;
-        super->field_0xf = 0;
+        super->timer = 0x78;
+        super->subtimer = 0;
         super->spriteRendering.b3 = 3;
         super->spritePriority.b0 = 4;
         super->spriteOrientation.flipY = 2;
         super->speed = 0x300;
         super->hitType = 1;
-        super->field_0x3c = 7;
+        super->collisionFlags = 7;
         super->hurtType = 0x48;
         super->flags2 = 4;
         super->hitbox = (Hitbox*)&gHitbox_0;
@@ -71,7 +71,7 @@ void sub_0808BBE0(Object36Entity* this) {
         ptr = &gUnk_0812144C[diff * 2];
         SetAffineInfo(super, ptr[0], ptr[1], 0);
     } else {
-        super->bitfield &= 0x7f;
+        super->contactFlags &= 0x7f;
     }
 }
 
@@ -81,29 +81,29 @@ void sub_0808BC3C(Object36Entity* this) {
     tmp = -0x170;
     super->y.HALF.HI = gRoomControls.origin_y - ((super->parent)->zVelocity + tmp);
     sub_0808BBE0(this);
-    if (super->bitfield == 0x93) {
-        super->actionDelay--;
+    if (super->contactFlags == 0x93) {
+        super->timer--;
         super->spriteSettings.draw = 1;
-        if (super->actionDelay == 0) {
+        if (super->timer == 0) {
             SetGlobalFlag(LV1TARU_OPEN);
             super->action = 2;
-            super->field_0xf = 0x80;
+            super->subtimer = 0x80;
             super->spriteOffsetY = 0;
         } else {
-            if ((super->actionDelay & 1) != 0) {
+            if ((super->timer & 1) != 0) {
                 super->x.HALF.HI += ((Random() & 3) - 2);
                 super->y.HALF.HI += ((Random() & 3) - 1);
             }
-            if (super->field_0xf != 1) {
-                super->field_0xf = 1;
+            if (super->subtimer != 1) {
+                super->subtimer = 1;
                 LoadGfxGroup(0x4a);
             }
         }
     } else {
-        super->actionDelay = 0x78;
+        super->timer = 0x78;
         super->spriteSettings.draw = 0;
-        if (super->field_0xf != 0) {
-            super->field_0xf = 0;
+        if (super->subtimer != 0) {
+            super->subtimer = 0;
             LoadGfxGroup(0x49);
         }
     }
@@ -117,11 +117,11 @@ void sub_0808BD00(Object36Entity* this) {
 
 void sub_0808BD14(Object36Entity* this) {
 
-    if (super->field_0xf != 0) {
-        super->field_0xf -= 8;
-        SetAffineInfo(super, 0x200 - super->field_0xf, 0x200 - super->field_0xf, 0);
+    if (super->subtimer != 0) {
+        super->subtimer -= 8;
+        SetAffineInfo(super, 0x200 - super->subtimer, 0x200 - super->subtimer, 0);
     }
-    if (super->bitfield == 0x93) {
+    if (super->contactFlags == 0x93) {
         super->direction = GetFacingDirection(super, &gPlayerEntity);
         LinearMoveUpdate(super);
         if (EntityWithinDistance(super, gPlayerEntity.x.HALF.HI, gPlayerEntity.y.HALF.HI - 6, 0x1c)) {
@@ -130,10 +130,10 @@ void sub_0808BD14(Object36Entity* this) {
     } else {
         if ((super->flags & ENT_COLLIDE) != 0) {
             super->flags &= ~ENT_COLLIDE;
-            super->actionDelay = 0x1e;
+            super->timer = 0x1e;
         } else {
             super->spriteSettings.draw ^= 1;
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 sub_0808BD00(this);
             }
         }
diff --git a/src/object/object3D.c b/src/object/object3D.c
index 807285ce..79a1aa16 100644
--- a/src/object/object3D.c
+++ b/src/object/object3D.c
@@ -71,8 +71,8 @@ void Object3D_Action1(Object3DEntity* this) {
         super->spriteOrientation.flipY = 0;
         super->spriteRendering.b3 = 0;
         super->spritePriority.b0 = 0;
-        super->actionDelay = 0x1e;
-        super->field_0xf = 0xff;
+        super->timer = 0x1e;
+        super->subtimer = 0xff;
         super->spriteRendering.b0 = 3;
         SetAffineInfo(super, 0x100, 0x100, 0);
         gArea.field_0x10 = 1;
@@ -97,7 +97,7 @@ void sub_0808D030(void) {
 }
 
 void Object3D_Action2(Object3DEntity* this) {
-    u32 tmp = super->actionDelay--;
+    u32 tmp = super->timer--;
     if (tmp != 0) {
         if (this->unk_68 != 0) {
             this->unk_68 -= 2;
@@ -105,10 +105,10 @@ void Object3D_Action2(Object3DEntity* this) {
             this->unk_68 = 0;
         }
         sub_0801E1EC(super->x.HALF.HI, super->y.HALF.HI, this->unk_68);
-        if (0x80 < super->field_0xf) {
-            super->field_0xf -= 8;
+        if (0x80 < super->subtimer) {
+            super->subtimer -= 8;
         }
-        SetAffineInfo(super, super->field_0xf, super->field_0xf, 0);
+        SetAffineInfo(super, super->subtimer, super->subtimer, 0);
     } else {
         gArea.filler3[0]++;
         gArea.field_0x10 = 0;
diff --git a/src/object/object3E.c b/src/object/object3E.c
index c950452e..6442831b 100644
--- a/src/object/object3E.c
+++ b/src/object/object3E.c
@@ -41,7 +41,7 @@ void Object3E_Type0(Object3EEntity* this) {
     switch (super->action) {
         case 0:
             super->action = 1;
-            super->actionDelay = 0x40 - (Random() & 0x1f);
+            super->timer = 0x40 - (Random() & 0x1f);
             super->frameIndex = 0;
             super->animationState = 0;
             super->spriteRendering.b3 = 3;
@@ -49,21 +49,21 @@ void Object3E_Type0(Object3EEntity* this) {
             super->collisionLayer = 1;
             break;
         case 1:
-            if (--super->actionDelay == 0) {
-                super->actionDelay = 8;
-                super->field_0xf = 4;
+            if (--super->timer == 0) {
+                super->timer = 8;
+                super->subtimer = 4;
                 super->action = 2;
                 super->animationState = Random() & 3;
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
-                if (--super->field_0xf == 0) {
+            if (--super->timer == 0) {
+                if (--super->subtimer == 0) {
                     super->frameIndex = 0;
                     super->action = 1;
-                    super->actionDelay = 0x40 - (Random() & 0x1f);
+                    super->timer = 0x40 - (Random() & 0x1f);
                 } else {
-                    super->actionDelay = 8;
+                    super->timer = 8;
                     tmp2 = super->animationState;
                     if (super->frameIndex != tmp2) {
                         tmp = tmp2;
@@ -85,8 +85,8 @@ void Object3E_Type1(Object3EEntity* this) {
     switch (super->action) {
         case 0:
             super->action = 1;
-            super->actionDelay = 8;
-            super->field_0xf = 0;
+            super->timer = 8;
+            super->subtimer = 0;
             super->frameIndex = 0;
             super->spritePriority.b0 = 7;
             SetTile(0x4069, COORD_TO_TILE(super) - 0x40, 1);
@@ -104,14 +104,14 @@ void Object3E_Type1(Object3EEntity* this) {
         case 1:
             break;
     }
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
+    if (--super->timer == 0) {
+        super->timer = 8;
         if (super->type == 9) {
-            super->actionDelay = 2;
+            super->timer = 2;
         }
-        ChangeObjPalette(super, gUnk_08121704[super->field_0xf++]);
-        if (gUnk_08121704[super->field_0xf] == 0) {
-            super->field_0xf = 0;
+        ChangeObjPalette(super, gUnk_08121704[super->subtimer++]);
+        if (gUnk_08121704[super->subtimer] == 0) {
+            super->subtimer = 0;
         }
     }
 }
@@ -170,16 +170,16 @@ void Object3E_Type6(Object3EEntity* this) {
     static const u16 gUnk_08121720[] = { 0x149, 0x14a, 0x14b, 0x14a, 0, 0 };
     if (super->action == 0) {
         super->action = 1;
-        super->actionDelay = 8;
+        super->timer = 8;
         super->spritePriority.b0 = 7;
         gScreen.controls.layerFXControl = 0x640;
         gScreen.controls.alphaBlend = 0x1003;
     }
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 2;
-        sub_0801D28C(super, gUnk_08121720[super->field_0xf++]);
-        if (gUnk_08121720[super->field_0xf] == 0) {
-            super->field_0xf = 0;
+    if (--super->timer == 0) {
+        super->timer = 2;
+        sub_0801D28C(super, gUnk_08121720[super->subtimer++]);
+        if (gUnk_08121720[super->subtimer] == 0) {
+            super->subtimer = 0;
         }
     }
 }
@@ -212,13 +212,13 @@ void Object3E_Type8_Init(Object3EEntity* this) {
     super->action = 2;
     if ((super->type2 == 0) && (CheckLocalFlag(0x7c) == 0)) {
         super->action = 1;
-        super->actionDelay = 0;
+        super->timer = 0;
         super->spriteRendering.alphaBlend = 1;
         gScreen.controls.layerFXControl = 0x640;
         gScreen.controls.alphaBlend = 0x1000;
         SoundReq(SFX_179);
     } else {
-        super->actionDelay = 8;
+        super->timer = 8;
         tilePosition = COORD_TO_TILE(super);
         if (super->type2 != 0) {
             tilePosition -= 0x40;
@@ -229,11 +229,11 @@ void Object3E_Type8_Init(Object3EEntity* this) {
 
 void Object3E_Type8_Action1(Object3EEntity* this) {
     if ((gRoomTransition.frameCount & 3U) == 0) {
-        gScreen.controls.alphaBlend = ((0x10 - super->actionDelay) * 0x100) | super->actionDelay;
-        super->actionDelay++;
+        gScreen.controls.alphaBlend = ((0x10 - super->timer) * 0x100) | super->timer;
+        super->timer++;
         if (gScreen.controls.alphaBlend == 0x10) {
             super->action = 2;
-            super->actionDelay = 8;
+            super->timer = 8;
             super->spriteRendering.alphaBlend = 0;
             gScreen.controls.layerFXControl = 0;
             SetTile(0x4069, COORD_TO_TILE(super), super->collisionLayer);
@@ -245,11 +245,11 @@ void Object3E_Type8_Action2(Object3EEntity* this) {
     static const u16 gUnk_08121738[] = {
         0x14c, 0x14d, 0x14e, 0x14f, 0x150, 0x151, 0x150, 0x14f, 0x14e, 0x14d, 0x14c, 0,
     };
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
-        ChangeObjPalette(super, gUnk_08121738[super->field_0xf++]);
-        if (gUnk_08121738[super->field_0xf] == 0) {
-            super->field_0xf = 0;
+    if (--super->timer == 0) {
+        super->timer = 8;
+        ChangeObjPalette(super, gUnk_08121738[super->subtimer++]);
+        if (gUnk_08121738[super->subtimer] == 0) {
+            super->subtimer = 0;
         }
     }
 }
diff --git a/src/object/object42.c b/src/object/object42.c
index 28a5df5c..5fa85943 100644
--- a/src/object/object42.c
+++ b/src/object/object42.c
@@ -39,7 +39,7 @@ void Object42(Object42Entity* this) {
 void sub_0808DDB4(Object42Entity* this) {
     super->action = 1;
     if (super->type != 0) {
-        super->actionDelay = 0x78;
+        super->timer = 0x78;
         this->unk_6c = 0xf0;
         InitializeAnimation(super, 0);
         sub_0808DDE8(this);
@@ -55,9 +55,9 @@ void sub_0808DDE8(Object42Entity* this) {
     Entity* player;
     this->unk_6c--;
     if (sub_0807953C()) {
-        super->field_0xf++;
+        super->subtimer++;
     }
-    if (((0x1e < super->field_0xf) || ((gPlayerState.flags & 0x1810) != 0)) || (this->unk_6c == 0)) {
+    if (((0x1e < super->subtimer) || ((gPlayerState.flags & 0x1810) != 0)) || (this->unk_6c == 0)) {
         gPlayerState.flags &= 0xfffffbff;
         DeleteThisEntity();
     }
diff --git a/src/object/object43.c b/src/object/object43.c
index b8d9edea..6a419c3a 100644
--- a/src/object/object43.c
+++ b/src/object/object43.c
@@ -39,7 +39,7 @@ void Object43_Init(Object43Entity* this) {
     super->spriteOrientation.flipY = gPlayerEntity.spriteOrientation.flipY;
     super->animationState = gPlayerEntity.animationState >> 1;
     super->direction = (((super->animationState + 1) & 3) << 3);
-    super->field_0xf = 6;
+    super->subtimer = 6;
     super->speed = 0x140;
     super->spriteVramOffset = 0x3c;
     super->palette.b.b0 = 4;
@@ -48,13 +48,13 @@ void Object43_Init(Object43Entity* this) {
     super->updatePriority = 6;
     InitializeAnimation(super, 7);
     if (super->type2 != 0) {
-        super->actionDelay = 0x28;
+        super->timer = 0x28;
     } else {
         super->spriteSettings.draw = 1;
         if ((gPlayerState.skills & SKILL_FAST_SPIN) != 0) {
-            super->actionDelay = 0x28;
+            super->timer = 0x28;
         } else {
-            super->actionDelay = 0x50;
+            super->timer = 0x50;
         }
 
         Object43_Action1(this);
@@ -99,13 +99,13 @@ void Object43_Action1(Object43Entity* this) {
     if (tmp1 != 0) {
 
         GetNextFrame(super);
-        if (super->actionDelay != 0) {
-            super->actionDelay--;
+        if (super->timer != 0) {
+            super->timer--;
             tmp2 = 3;
             if ((super->type2 == 0) && ((gPlayerState.skills & SKILL_FAST_SPIN) == 0)) {
                 tmp2 = 7;
             }
-            if ((super->actionDelay & tmp2) == 0) {
+            if ((super->timer & tmp2) == 0) {
                 this->unk_6c++;
             }
         } else {
@@ -148,8 +148,8 @@ void Object43_Action1(Object43Entity* this) {
                 break;
         }
 
-        if (--super->field_0xf == 0) {
-            super->field_0xf = 6;
+        if (--super->subtimer == 0) {
+            super->subtimer = 6;
             super->direction ^= 0x10;
         }
         LinearMoveUpdate(super);
diff --git a/src/object/object49.c b/src/object/object49.c
index 12ad7e38..75998481 100644
--- a/src/object/object49.c
+++ b/src/object/object49.c
@@ -172,7 +172,7 @@ void sub_0808F3DC(Entity* this) {
     if (this->action == 0) {
         this->spriteSettings.draw = 1;
         this->action = 1;
-        this->actionDelay = 120;
+        this->timer = 120;
         InitializeAnimation(this, this->type + 1);
         // TODO: This block of code might supposed to be a switch statement.
         if (this->type != 8) {
@@ -217,7 +217,7 @@ void sub_0808F498(Entity* this) {
             DeleteThisEntity();
         }
 
-        if (this->actionDelay-- == 0) {
+        if (this->timer-- == 0) {
             DeleteThisEntity();
         }
 
@@ -226,7 +226,7 @@ void sub_0808F498(Entity* this) {
         }
     } else {
         this->action = 1;
-        this->actionDelay = 64;
+        this->timer = 64;
         var0 = this->type2 != 0 ? 44 : 43;
         this->x.HALF.HI -= this->parent->hitbox->width;
         this->x.HALF.HI += (s32)Random() % (this->parent->hitbox->width * 2);
diff --git a/src/object/object4B.c b/src/object/object4B.c
index b7dbc6ab..94fd9943 100644
--- a/src/object/object4B.c
+++ b/src/object/object4B.c
@@ -34,13 +34,13 @@ void Object4B(Object4BEntity* this) {
 
 void Object4B_Init(Object4BEntity* this) {
     super->action = 1;
-    super->actionDelay = 0x3c;
+    super->timer = 0x3c;
     InitializeAnimation(super, 0);
 }
 
 void Object4B_Action1(Object4BEntity* this) {
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 0x78;
+    if (--super->timer == 0) {
+        super->timer = 0x78;
         super->action++;
         super->spriteSettings.draw = 1;
     }
@@ -57,13 +57,13 @@ void Object4B_Action2(Object4BEntity* this) {
 
 void Object4B_Action3(Object4BEntity* this) {
     GetNextFrame(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action++;
         super->direction = 0;
         super->speed = 0x100;
         super->zVelocity = 0x20000;
         super->spriteOrientation.flipY = 0;
-        super->actionDelay = 0;
+        super->timer = 0;
         InitializeAnimation(super, 3);
         SoundReq(SFX_12B);
     }
@@ -82,7 +82,7 @@ void Object4B_Action4(Object4BEntity* this) {
         super->y.HALF.HI = gRoomControls.origin_y + 0x230;
         if ((super->frame & ANIM_DONE) != 0) {
             super->action++;
-            super->actionDelay = 0x78;
+            super->timer = 0x78;
             InitializeAnimation(super, 2);
         }
     } else if ((super->frame & ANIM_DONE) != 0) {
@@ -94,7 +94,7 @@ void Object4B_Action4(Object4BEntity* this) {
 
 void Object4B_Action5(Object4BEntity* this) {
     GetNextFrame(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         super->action++;
         InitializeAnimation(super, 5);
     }
@@ -104,14 +104,14 @@ void Object4B_Action6(Object4BEntity* this) {
     GetNextFrame(super);
     if ((super->frame & ANIM_DONE) != 0) {
         super->action++;
-        super->actionDelay = 0x3c;
+        super->timer = 0x3c;
         InitializeAnimation(super, 1);
     }
 }
 
 void Object4B_Action7(Object4BEntity* this) {
     GetNextFrame(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         gMenu.overlayType++;
         DeleteThisEntity();
     }
diff --git a/src/object/object53.c b/src/object/object53.c
index 0e10371e..c4717fce 100644
--- a/src/object/object53.c
+++ b/src/object/object53.c
@@ -53,10 +53,10 @@ void sub_08091198(Entity* this) {
         case 0xff:
             break;
         case 0xf:
-            CreateFx(this, this->actionDelay, 0x80);
+            CreateFx(this, this->timer, 0x80);
             break;
         default:
-            CreateObjectWithParent(this, this->type2, this->actionDelay, 0);
+            CreateObjectWithParent(this, this->type2, this->timer, 0);
             break;
     }
 
diff --git a/src/object/object61.c b/src/object/object61.c
index 5756afdd..acf2c4af 100644
--- a/src/object/object61.c
+++ b/src/object/object61.c
@@ -73,17 +73,17 @@ void Object61_Action1Type0(Object61Entity* this) {
             this->unk_72 -= 4;
             break;
         case 2:
-            if (super->field_0xf == 0) {
+            if (super->subtimer == 0) {
                 if (this->unk_72 > 0x80) {
                     this->unk_72 -= 0x20;
                 } else {
-                    super->field_0xf += 1;
+                    super->subtimer += 1;
                     SoundReq(SFX_124);
                 }
                 if (this->unk_6e < 0x120) {
                     this->unk_6e += 0x40;
                 }
-            } else if (super->field_0xf != 0xff) {
+            } else if (super->subtimer != 0xff) {
                 if (this->unk_72 < 0x100) {
                     this->unk_72 += 0x20;
                 } else {
@@ -95,7 +95,7 @@ void Object61_Action1Type0(Object61Entity* this) {
                     this->unk_6e = 0x100;
                 }
                 if (this->unk_6e == 0x100) {
-                    super->field_0xf = 0xff;
+                    super->subtimer = 0xff;
                 }
             } else {
                 sub_080936C8(this);
@@ -146,12 +146,12 @@ void sub_080936C8(Object61Entity* this) {
     s32 tmp = gNewPlayerEntity.unk_7c;
     this->unk_76 = 0x138 - (gNewPlayerEntity.unk_7c >> 2);
     this->unk_74 = 8 - (tmp / 0x3c);
-    if (super->actionDelay == 0) {
+    if (super->timer == 0) {
         if (this->unk_76 < this->unk_6e) {
             this->unk_6e -= 8;
             this->unk_72 += 8;
         } else {
-            super->actionDelay++;
+            super->timer++;
             this->unk_6e = this->unk_76;
             this->unk_72 = this->unk_76 + 0x30;
         }
@@ -160,7 +160,7 @@ void sub_080936C8(Object61Entity* this) {
             this->unk_6e += 8;
             this->unk_72 -= 8;
         } else {
-            super->actionDelay = 0;
+            super->timer = 0;
             this->unk_6e = this->unk_76 + 0x30;
             this->unk_72 = this->unk_76;
         }
diff --git a/src/object/object63.c b/src/object/object63.c
index 5cdd827e..120adaf5 100644
--- a/src/object/object63.c
+++ b/src/object/object63.c
@@ -25,7 +25,7 @@ void sub_08093D88(Entity* this) {
     this->action = 1;
     this->z.HALF.HI -= 8;
     this->zVelocity = 0x2a000;
-    this->actionDelay = 32;
+    this->timer = 32;
     switch (this->type) {
         case 0:
             if (CreateRandomItemDrop(this, 4) == 0) {
@@ -36,7 +36,7 @@ void sub_08093D88(Entity* this) {
         case 1:
             objEnt = CreateObject(0, OBJECT_BLOCKING_STAIRS, 0);
             if (objEnt != NULL) {
-                objEnt->actionDelay = 5;
+                objEnt->timer = 5;
                 sub_08093E10(this, objEnt);
             }
             break;
@@ -44,11 +44,11 @@ void sub_08093D88(Entity* this) {
 }
 
 void sub_08093DE0(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 2;
     }
 
-    if ((this->actionDelay & 1) != 0) {
+    if ((this->timer & 1) != 0) {
         this->child->y.HALF.HI++;
     }
 }
diff --git a/src/object/object67.c b/src/object/object67.c
index 4f794dd6..dec36521 100644
--- a/src/object/object67.c
+++ b/src/object/object67.c
@@ -45,7 +45,7 @@ typedef struct {
 typedef struct {
     s8 x;
     s8 y;
-    u8 actionDelay;
+    u8 timer;
     u8 unk3;
     u8 unk4;
     u8 filler[3];
@@ -118,8 +118,8 @@ void sub_08094148(Object67Entity* this) {
                     ptr = gUnk_081229F0 + super->type2;
                     super->x.HALF.HI = ptr->x + super->x.HALF.HI;
                     super->y.HALF.HI = ptr->y + super->y.HALF.HI;
-                    super->actionDelay = ptr->actionDelay;
-                    super->field_0xf = ptr->unk3;
+                    super->timer = ptr->timer;
+                    super->subtimer = ptr->unk3;
                     this->unk7c = 0xce;
                     this->unk74 = 0;
                     if ((ptr->unk4 & 0x40) != 0) {
@@ -144,7 +144,7 @@ void sub_08094148(Object67Entity* this) {
                         super->hitbox->height = gUnk_080FD2E8.height;
                         COLLISION_ON(super);
                         super->collisionLayer = 2;
-                        super->field_0x3c = 7;
+                        super->collisionFlags = 7;
                         super->hurtType = 0x48;
                         super->hitType = 0x7a;
                         super->flags2 = 1;
@@ -220,8 +220,8 @@ void sub_08094424(Object67Entity* this) {
         super->action = 3;
         this->unk7c = 0x78;
     } else {
-        sub_0806FCF4(super, this->unk80.HALF.HI, 0x20, super->actionDelay);
-        sub_0806FCF4(super, this->unk84.HALF.HI, 0x20, super->field_0xf);
+        sub_0806FCF4(super, this->unk80.HALF.HI, 0x20, super->timer);
+        sub_0806FCF4(super, this->unk84.HALF.HI, 0x20, super->subtimer);
         SetAffineInfo(super, this->unk80.HALF_U.HI, this->unk84.HALF_U.HI, 0);
     }
 
@@ -271,8 +271,8 @@ void sub_08094570(Object67Entity* this) {
             this->unk84.HALF.HI = this->unk84.HALF.HI + 1;
             uVar3 = this->unk84.HALF_U.HI;
         }
-        sub_0806FCF4(super, this->unk80.HALF.HI, 0x20, super->actionDelay);
-        sub_0806FCF4(super, this->unk84.HALF.HI, 0x20, super->field_0xf);
+        sub_0806FCF4(super, this->unk80.HALF.HI, 0x20, super->timer);
+        sub_0806FCF4(super, this->unk84.HALF.HI, 0x20, super->subtimer);
         SetAffineInfo(super, this->unk80.HALF_U.HI, this->unk84.HALF_U.HI, 0);
     }
 
diff --git a/src/object/object68.c b/src/object/object68.c
index d26bb550..f08b1659 100644
--- a/src/object/object68.c
+++ b/src/object/object68.c
@@ -58,7 +58,7 @@ void sub_08094774(Object68Entity* this) {
             }
             if (super->type2 == 0) {
                 CopyPosition(super->child, super);
-                super->actionDelay = 0;
+                super->timer = 0;
                 super->spritePriority.b0 = 0;
                 super->spriteRendering.b3 = 0;
                 sub_08094980(this, 0x403b, 0x403c);
@@ -70,7 +70,7 @@ void sub_08094774(Object68Entity* this) {
             child = CreateGroundItem(&gPlayerEntity, ITEM_FAIRY, 0);
             super->child = child;
             if (child != NULL) {
-                child->actionDelay = 1;
+                child->timer = 1;
             }
             break;
         case 3 ... 8:
@@ -88,9 +88,9 @@ void sub_080948D0(Object68Entity* this) {
 }
 
 void sub_080948E8(Object68Entity* this) {
-    if (super->actionDelay < 0x3c) {
+    if (super->timer < 0x3c) {
         super->z.WORD -= 0x4000;
-        if ((super->actionDelay & 3) == 0) {
+        if ((super->timer & 3) == 0) {
             super->child = CreateFx(super, FX_DASH, 0x40);
             if (super->child != NULL) {
                 super->child->spriteRendering.b3 = super->spriteRendering.b3;
@@ -102,7 +102,7 @@ void sub_080948E8(Object68Entity* this) {
                 }
             }
         }
-        super->actionDelay++;
+        super->timer++;
     } else {
         DeleteThisEntity();
     }
diff --git a/src/object/object6A.c b/src/object/object6A.c
index 79670b5a..83e29ec0 100644
--- a/src/object/object6A.c
+++ b/src/object/object6A.c
@@ -358,7 +358,7 @@ void sub_08094E30(Object6AEntity* this) {
         }
     } else if (super->action == 0) {
         super->action++;
-        switch (super->actionDelay) {
+        switch (super->timer) {
             case 1:
                 InitializeAnimation(super, 2);
                 break;
@@ -414,7 +414,7 @@ void sub_08094FA8(Object6AEntity* this) {
                 if (!CheckGlobalFlag(BIN_DOGFOOD)) {
                     CreateItemEntity(0x1c, 0, 0);
                     SetGlobalFlag(BIN_DOGFOOD);
-                    super->actionDelay = 60;
+                    super->timer = 60;
                 }
 #else
                 CreateItemEntity(0x1c, 0, 0);
@@ -423,7 +423,7 @@ void sub_08094FA8(Object6AEntity* this) {
             break;
 #ifndef EU
         case 4:
-            if (!--super->actionDelay) {
+            if (!--super->timer) {
                 super->action = 5;
                 SetPlayerControl(1);
             }
@@ -502,7 +502,7 @@ void sub_080951C4(Object6AEntity* this) {
     if (super->action == 0) {
         super->action++;
         super->z.HALF.HI = -16;
-        super->actionDelay = 0;
+        super->timer = 0;
         sub_0807DD64(super);
         InitializeAnimation(super, 3);
     }
@@ -512,8 +512,8 @@ void sub_080951C4(Object6AEntity* this) {
     if (super->z.HALF.HI == 0) {
         super->z.WORD = 0;
         super->parent = NULL;
-        if (super->actionDelay == 0) {
-            super->actionDelay++;
+        if (super->timer == 0) {
+            super->timer++;
             SoundReq(230);
         }
     }
@@ -550,8 +550,8 @@ void sub_08095288(Object6AEntity* this) {
             super->subAction = 0;
             SetAffineInfo(super, 0x100, 0x100, 0xC000);
         } else {
-            SetAffineInfo(super, 0x100, 0x100, super->actionDelay << 8);
-            super->actionDelay += 10;
+            SetAffineInfo(super, 0x100, 0x100, super->timer << 8);
+            super->timer += 10;
             LinearMoveUpdate(super);
         }
     }
@@ -653,8 +653,8 @@ void sub_080954AC(Object6AEntity* this, u32 arg2) {
 void sub_080954DC(Object6AEntity* this) {
     switch (super->action) {
         case 0:
-            if (super->actionDelay != 0) {
-                super->actionDelay--;
+            if (super->timer != 0) {
+                super->timer--;
             } else {
                 super->action++;
                 super->subAction = 0;
@@ -810,7 +810,7 @@ void sub_0809584C(Object6AEntity* this) {
     idx = super->health;
     if ((idx & 0x7F) != 0 && !ReadBit((u32*)gArea.filler5, idx - 1))
         DeleteThisEntity();
-    if (super->actionDelay != 0 && CheckKinstoneFused(super->type2))
+    if (super->timer != 0 && CheckKinstoneFused(super->type2))
         DeleteThisEntity();
     if (super->action == 0) {
         super->action++;
@@ -916,20 +916,20 @@ void sub_08095A8C(Object6AEntity* this) {
             break;
         case 2:
             super->action++;
-            super->actionDelay = 120;
+            super->timer = 120;
         case 3:
             super->spriteSettings.draw ^= 1;
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->action = 1;
                 super->spriteSettings.draw = 1;
             }
             break;
         case 4:
             super->action++;
-            super->actionDelay = 120;
+            super->timer = 120;
         case 5:
             super->spriteSettings.draw ^= 1;
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->action = 1;
                 super->spriteSettings.draw = 0;
             }
@@ -1006,11 +1006,11 @@ void sub_08095C68(Object6AEntity* this) {
         super->action++;
         sub_080042D0(super, super->frameIndex, (u16)super->spriteIndex);
     }
-    if (super->actionDelay != 0) {
-        if (--super->actionDelay < 8) {
+    if (super->timer != 0) {
+        if (--super->timer < 8) {
             super->spriteSettings.draw ^= 1;
         }
-        if (super->actionDelay != 0) {
+        if (super->timer != 0) {
             return;
         }
     }
@@ -1023,7 +1023,7 @@ void sub_08095CB0(Object6AEntity* this) {
         super->child = e;
         e->parent = super;
         CopyPosition(super, e);
-        e->actionDelay = 16;
+        e->timer = 16;
         e->frameIndex = super->frameIndex;
         e->lastFrameIndex = super->frameIndex;
     }
@@ -1153,12 +1153,12 @@ void sub_08095F38(Object6AEntity* this) {
         ChangeObjPalette(super, pal);
         if ((gPlayerEntity.frame & 1) == 0) {
             local->anim = 0x8BF;
-            super->actionDelay = 52;
-            super->field_0xf = -75;
+            super->timer = 52;
+            super->subtimer = -75;
         } else {
             local->anim = 0x8E3;
-            super->actionDelay = 85;
-            super->field_0xf = -42;
+            super->timer = 85;
+            super->subtimer = -42;
         }
         CopyPosition(&gPlayerEntity, super);
         super->spritePriority.b0 = 3;
@@ -1169,7 +1169,7 @@ void sub_08095F38(Object6AEntity* this) {
     }
     if ((u16)gPlayerEntity.spriteIndex != local->anim >> 8 || gPlayerEntity.animIndex != (u8)local->anim)
         DeleteThisEntity();
-    tmp = gPlayerEntity.frameIndex - super->actionDelay + super->field_0xf;
+    tmp = gPlayerEntity.frameIndex - super->timer + super->subtimer;
     if (tmp != super->frameIndex) {
         super->frameIndex = tmp;
         sub_080042D0(super, super->frameIndex, (u16)super->spriteIndex);
diff --git a/src/object/object74.c b/src/object/object74.c
index 459880bc..828ad006 100644
--- a/src/object/object74.c
+++ b/src/object/object74.c
@@ -70,9 +70,9 @@ void sub_08097C20(Object74Entity* this) {
     SetPriorityTimer(0x1e);
     sub_0800445C(super);
     CreateMagicSparkles(super->x.HALF.HI, super->y.HALF.HI, super->collisionLayer);
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
-        tmp = ++super->field_0xf;
+    if (--super->timer == 0) {
+        super->timer = 8;
+        tmp = ++super->subtimer;
         gScreen.controls.alphaBlend = (((0x10 - tmp) * 0x100)) | tmp;
         if (gScreen.controls.alphaBlend == 0x10) {
             SetPlayerControl(CONTROL_ENABLED);
@@ -95,8 +95,8 @@ void sub_08097CB4(Object74Entity* this) {
     super->action = 3;
     super->spriteSettings.draw = 1;
     super->spriteRendering.alphaBlend = 1;
-    super->actionDelay = 0x1e;
-    super->field_0xf = 0;
+    super->timer = 0x1e;
+    super->subtimer = 0;
     gScreen.controls.layerFXControl = 0xf40;
     gScreen.controls.alphaBlend = 0x1000;
     SoundReq(SFX_14A);
diff --git a/src/object/object79.c b/src/object/object79.c
index b90046a1..fdcf8824 100644
--- a/src/object/object79.c
+++ b/src/object/object79.c
@@ -42,8 +42,8 @@ void Object79_Init(Object79Entity* this) {
     super->speed = 0;
     this->unk6c = 0;
     this->unk7a = 0x1200;
-    super->actionDelay = 0;
-    super->field_0xf = 30;
+    super->timer = 0;
+    super->subtimer = 30;
     this->objDir.HALF.HI = Object79_Directions[super->type];
     this->unk74 = 0x2000;
     SetDefaultPriority(super, 6);
@@ -64,7 +64,7 @@ void Object79_Action1(Object79Entity* this) {
     if (super->type == 0) {
         UpdateAnimationSingleFrame(super);
         if (super->type2 != 0) {
-            gPlayerEntity.field_0xf = 0;
+            gPlayerEntity.subtimer = 0;
             super->action++;
             InitAnimationForceUpdate(super, 1);
             SoundReq(SFX_178);
@@ -95,9 +95,9 @@ void Object79_Action2(Object79Entity* this) {
         this->objDir.WORD += this->unk74;
         this->objDir.HALF.HI = DirectionNormalize(this->objDir.HALF.HI);
         this->unk74 += 0x140;
-        if (super->field_0xf-- == 0) {
-            super->field_0xf = 30;
-            super->actionDelay ^= 1;
+        if (super->subtimer-- == 0) {
+            super->subtimer = 30;
+            super->timer ^= 1;
         }
         sub_08098130(this);
     }
diff --git a/src/object/object81.c b/src/object/object81.c
index ea5b8072..975fbd2b 100644
--- a/src/object/object81.c
+++ b/src/object/object81.c
@@ -24,7 +24,7 @@ void Object81(Entity* this) {
 
 void Object81_Init(Object81Entity* this) {
     super->action = 1;
-    super->actionDelay = 0;
+    super->timer = 0;
     this->tilePos = COORD_TO_TILE(super);
     if (gPlayerState.flags & PL_MINISH) {
         super->collisionLayer = 2;
diff --git a/src/object/object86.c b/src/object/object86.c
index bdaa2811..72f880e4 100644
--- a/src/object/object86.c
+++ b/src/object/object86.c
@@ -42,8 +42,8 @@ void sub_08099E58(Entity* this) {
     GetNextFrame(this);
     if (this->frame & ANIM_DONE) {
         this->frame &= ~0x80;
-        this->actionDelay++;
-        if (this->actionDelay == 3) {
+        this->timer++;
+        if (this->timer == 3) {
             this->action = 3;
             this->frameIndex = 4;
         }
diff --git a/src/object/object8E.c b/src/object/object8E.c
index 2c0ce508..5a4956c3 100644
--- a/src/object/object8E.c
+++ b/src/object/object8E.c
@@ -40,8 +40,8 @@ void Object8E_Type0(Object8EEntity* this) {
     switch (super->action) {
         case 0:
             super->action = 1;
-            super->actionDelay = 0x3c;
-            super->field_0xf = 0;
+            super->timer = 0x3c;
+            super->subtimer = 0;
             gRoomControls.camera_target = super;
             gRoomControls.unk5 = 1;
             if (super->x.HALF.HI > gPlayerEntity.x.HALF.HI) {
@@ -55,19 +55,19 @@ void Object8E_Type0(Object8EEntity* this) {
             gScreen.controls.window0VerticalDimensions = 0xa0;
             break;
         case 1:
-            if (super->actionDelay != 0) {
-                super->actionDelay--;
+            if (super->timer != 0) {
+                super->timer--;
             } else {
-                if (super->field_0xf < 0x20) {
+                if (super->subtimer < 0x20) {
                     if ((gRoomTransition.frameCount & 0x1fU) == 0) {
                         SoundReq(SFX_133);
                     }
                     if ((gRoomTransition.frameCount & 3U) == 0) {
-                        sub_0809B97C(this, ++super->field_0xf);
+                        sub_0809B97C(this, ++super->subtimer);
                     }
                 } else {
                     super->action = 2;
-                    super->actionDelay = 0x3c;
+                    super->timer = 0x3c;
                     gScreen.lcd.displayControl &= 0xdfff;
                     gRoomControls.camera_target = &gPlayerEntity;
                     SoundReq(SFX_134);
@@ -75,7 +75,7 @@ void Object8E_Type0(Object8EEntity* this) {
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 gScreen.lcd.displayControl |= 0x4800;
                 gRoomControls.unk5 = 4;
                 (super->parent)->subAction = 1;
@@ -114,8 +114,8 @@ void Object8E_Type1(Object8EEntity* this) {
     switch (super->action) {
         case 0:
             super->action = 1;
-            super->actionDelay = 0x3c;
-            super->field_0xf = 0x20;
+            super->timer = 0x3c;
+            super->subtimer = 0x20;
             gRoomControls.camera_target = super;
             gRoomControls.unk5 = 1;
             if (super->x.HALF.HI > gPlayerEntity.x.HALF.HI) {
@@ -129,26 +129,26 @@ void Object8E_Type1(Object8EEntity* this) {
             gScreen.controls.window0VerticalDimensions = 0xa0;
             break;
         case 1:
-            if (super->actionDelay != 0) {
-                super->actionDelay--;
+            if (super->timer != 0) {
+                super->timer--;
             } else {
-                if (super->field_0xf != 0) {
+                if (super->subtimer != 0) {
                     if ((gRoomTransition.frameCount & 0x1fU) == 0) {
                         SoundReq(SFX_133);
                     }
                     if ((gRoomTransition.frameCount & 3U) == 0) {
-                        sub_0809B97C(this, --super->field_0xf);
+                        sub_0809B97C(this, --super->subtimer);
                     }
                 } else {
                     super->action = 2;
-                    super->actionDelay = 0x3c;
+                    super->timer = 0x3c;
                     gRoomControls.camera_target = &gPlayerEntity;
                     SoundReq(SFX_134);
                 }
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 gRoomControls.unk5 = 4;
                 gScreen.lcd.displayControl &= 0xd7ff;
                 (super->parent)->subAction = 1;
@@ -165,8 +165,8 @@ void Object8E_Type2(Object8EEntity* this) {
     switch (super->action) {
         case 0:
             super->action++;
-            super->actionDelay = 0x3c;
-            super->field_0xf = 0;
+            super->timer = 0x3c;
+            super->subtimer = 0;
             gRoomControls.camera_target = super;
             gRoomControls.unk5 = 1;
             if (super->x.HALF.HI > gPlayerEntity.x.HALF.HI) {
@@ -180,8 +180,8 @@ void Object8E_Type2(Object8EEntity* this) {
             break;
         case 1:
             if (sub_0809BE78(this)) {
-                if (super->actionDelay != 0) {
-                    if (--super->actionDelay == 0) {
+                if (super->timer != 0) {
+                    if (--super->timer == 0) {
                         gScreen.lcd.displayControl = (gScreen.lcd.displayControl & 0xbfff) | 0x2800;
                     }
                 } else {
@@ -194,7 +194,7 @@ void Object8E_Type2(Object8EEntity* this) {
                         }
                     } else {
                         super->action = 2;
-                        super->actionDelay = 0x1e;
+                        super->timer = 0x1e;
                         gScreen.lcd.displayControl = (gScreen.lcd.displayControl & 0xdfff) | 0x4800;
                         super->x.HALF.HI += 0x68;
                         super->y.HALF.HI += 0x28;
@@ -204,15 +204,15 @@ void Object8E_Type2(Object8EEntity* this) {
             }
             break;
         case 2:
-            if (sub_0809BE78(this) && (--super->actionDelay == 0)) {
-                super->actionDelay = 0x78;
+            if (sub_0809BE78(this) && (--super->timer == 0)) {
+                super->timer = 0x78;
                 super->action = 3;
                 SetLocalFlag(0x35);
                 SoundReq(SFX_SECRET);
             }
             break;
         case 3:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->action = 4;
                 gRoomControls.camera_target = &gPlayerEntity;
                 gRoomControls.unk5 = 2;
@@ -235,8 +235,8 @@ void Object8E_Type3(Object8EEntity* this) {
     switch (super->action) {
         case 0:
             super->action = 1;
-            super->actionDelay = 0x3c;
-            super->field_0xf = 0;
+            super->timer = 0x3c;
+            super->subtimer = 0;
             gRoomControls.camera_target = super;
             gRoomControls.unk5 = 1;
             if (super->x.HALF.HI > gPlayerEntity.x.HALF.HI) {
@@ -251,8 +251,8 @@ void Object8E_Type3(Object8EEntity* this) {
             break;
         case 1:
             if (sub_0809BE78(this)) {
-                if (super->actionDelay != 0) {
-                    if (--super->actionDelay == 0) {
+                if (super->timer != 0) {
+                    if (--super->timer == 0) {
                         SetFade(6, 8);
                         sub_0805AAF0(3);
                         gScreen.lcd.displayControl = (gScreen.lcd.displayControl & 0xbfff) | 0x2800;
@@ -268,7 +268,7 @@ void Object8E_Type3(Object8EEntity* this) {
                         }
                     } else {
                         super->action = 2;
-                        super->actionDelay = 0x78;
+                        super->timer = 0x78;
                         gScreen.lcd.displayControl = (gScreen.lcd.displayControl & 0xdfff) | 0x4800;
                         SetLocalFlag(0x37);
                         SoundReq(SFX_134);
@@ -277,7 +277,7 @@ void Object8E_Type3(Object8EEntity* this) {
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 (super->parent)->subAction = 1;
                 DeleteThisEntity();
             }
@@ -291,8 +291,8 @@ void Object8E_Type4(Object8EEntity* this) {
     switch (super->action) {
         case 0:
             super->action = 1;
-            super->actionDelay = 0x3c;
-            super->field_0xf = 0x80;
+            super->timer = 0x3c;
+            super->subtimer = 0x80;
             gRoomControls.camera_target = super;
             gRoomControls.unk5 = 1;
             if (super->x.HALF.HI > gPlayerEntity.x.HALF.HI) {
@@ -303,23 +303,23 @@ void Object8E_Type4(Object8EEntity* this) {
             gPlayerEntity.animationState = tmp;
             break;
         case 1:
-            if (super->actionDelay != 0) {
-                super->actionDelay--;
+            if (super->timer != 0) {
+                super->timer--;
             } else {
-                if (--super->field_0xf != 0) {
+                if (--super->subtimer != 0) {
                     if ((gRoomTransition.frameCount & 0x1fU) == 0) {
                         SoundReq(SFX_133);
                     }
                 } else {
                     super->action = 2;
-                    super->actionDelay = 0x3c;
+                    super->timer = 0x3c;
                     gRoomControls.camera_target = &gPlayerEntity;
                     SoundReq(SFX_134);
                 }
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 gRoomControls.unk5 = 4;
                 (super->parent)->subAction = 1;
                 DeleteThisEntity();
diff --git a/src/object/object9.c b/src/object/object9.c
index a3286f79..b73f2b8c 100644
--- a/src/object/object9.c
+++ b/src/object/object9.c
@@ -71,7 +71,7 @@ void sub_080838DC(Entity* this) {
     this->spriteOrientation.flipY = 1;
     this->spriteRendering.b3 = 0;
     this->spritePriority.b0 = 0;
-    this->actionDelay = 4;
+    this->timer = 4;
     this->child = NULL;
     this->action = 0;
 }
@@ -93,8 +93,8 @@ void Object9_Init(Entity* this) {
 }
 
 void Object9_Action1(Entity* this) {
-    if (this->actionDelay) {
-        this->actionDelay--;
+    if (this->timer) {
+        this->timer--;
     } else {
         if ((*(Entity**)(gUnk_03003DF0.unk_4 + 8) != NULL) && ((u8)(gUnk_03003DF0.unk_4[3] - 1) < 100)) {
             this->child = *(Entity**)(gUnk_03003DF0.unk_4 + 8);
diff --git a/src/object/object96.c b/src/object/object96.c
index 2ffac509..fde07cb0 100644
--- a/src/object/object96.c
+++ b/src/object/object96.c
@@ -24,7 +24,7 @@ typedef struct _struct_gUnk_08123FB0 {
     s16 speed;
     s16 y;
     u16 flag;
-    u8 actionDelay;
+    u8 timer;
     u8 unk1f;
 } struct_gUnk_08123FB0;
 
@@ -77,7 +77,7 @@ void Object96_Init(Entity* this, const struct_gUnk_08123FB0* param_2) {
     this->speed = param_2->speed;
     this->y.HALF.HI -= param_2->y;
     this->z.WORD = 0;
-    this->actionDelay = param_2->actionDelay;
+    this->timer = param_2->timer;
     if ((this->direction & 0x80)) {
         dir = this->direction;
         if (dir == 0x81) {
@@ -114,8 +114,8 @@ void Object96_Action2(Entity* this, const struct_gUnk_08123FB0* param_2) {
 
     LinearMoveUpdate(this);
     if (sub_080044EC(this, param_2->unk14) < 2) {
-        if (this->actionDelay) {
-            this->actionDelay--;
+        if (this->timer) {
+            this->timer--;
             this->zVelocity = param_2->unk14 << 3;
         } else {
             this->action++;
diff --git a/src/object/object98.c b/src/object/object98.c
index 798836dc..d39d7ea2 100644
--- a/src/object/object98.c
+++ b/src/object/object98.c
@@ -30,14 +30,14 @@ void sub_0809E360(Object98Entity* this) {
     Entity* projEnt;
     u32 index;
 
-    if (8 < super->actionDelay) {
-        super->actionDelay = 8;
+    if (8 < super->timer) {
+        super->timer = 8;
     }
 
-    if (0x48 - super->actionDelay > gEntCount) {
-        for (index = 0; index < super->actionDelay; index++) {
+    if (0x48 - super->timer > gEntCount) {
+        for (index = 0; index < super->timer; index++) {
             projEnt = CreateProjectile(GURUGURU_BAR_PROJECTILE);
-            projEnt->actionDelay = 14 + 12 * index;
+            projEnt->timer = 14 + 12 * index;
             projEnt->parent = super;
         }
 
diff --git a/src/object/objectA2.c b/src/object/objectA2.c
index 8091c484..68a79fe4 100644
--- a/src/object/objectA2.c
+++ b/src/object/objectA2.c
@@ -51,20 +51,20 @@ void sub_0809F374(Entity* this) {
             InitializeAnimation(this, 1);
             SoundReq(SFX_186);
         } else {
-            this->actionDelay++;
+            this->timer++;
         }
     } else {
 #endif
         switch (sub_080044EC(this, 0x2000)) {
             default:
-                this->actionDelay++;
+                this->timer++;
                 break;
             case 0:
                 this->action = 2;
                 InitializeAnimation(this, 1);
                 // fall through
             case 1:
-                this->actionDelay = 0;
+                this->timer = 0;
                 sub_0809F448(this);
                 SoundReq(SFX_186);
         }
@@ -96,8 +96,8 @@ void sub_0809F408(Entity* this) {
 void sub_0809F448(Entity* this) {
     s32 tmp;
     int rand = Random();
-    const struct_08124708* tmp2 = &gUnk_08124708[this->field_0xf];
-    this->field_0xf++;
+    const struct_08124708* tmp2 = &gUnk_08124708[this->subtimer];
+    this->subtimer++;
     tmp = 0x280000 - this->x.WORD;
     switch (tmp2->unk_0) {
         case 0:
diff --git a/src/object/objectA6.c b/src/object/objectA6.c
index fc77a54e..bea33868 100644
--- a/src/object/objectA6.c
+++ b/src/object/objectA6.c
@@ -29,7 +29,7 @@ void sub_0809F920(ObjectA6Entity* this) {
 
     super->action = 1;
     COLLISION_ON(super);
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hurtType = 0x48;
     super->hitType = 1;
     super->flags2 = 2;
@@ -39,7 +39,7 @@ void sub_0809F920(ObjectA6Entity* this) {
 void sub_0809F964(ObjectA6Entity* this) {
     Entity* fxEnt;
 
-    if (super->bitfield == 0xa1) {
+    if (super->contactFlags == 0xa1) {
         fxEnt = CreateFx(super, FX_MAGIC_STORM, 0);
         if (fxEnt != NULL) {
             fxEnt->spritePriority.b0 = 3;
diff --git a/src/object/objectA8.c b/src/object/objectA8.c
index 008a8d10..4f2c0c13 100644
--- a/src/object/objectA8.c
+++ b/src/object/objectA8.c
@@ -39,8 +39,8 @@ void ObjectA8(ObjectA8Entity* this) {
         ObjectA8_Init,    ObjectA8_Action1, ObjectA8_Action2, ObjectA8_Action3,
         ObjectA8_Action4, ObjectA8_Action5, ObjectA8_Action6,
     };
-    if ((super->bitfield & 0x80) != 0) {
-        switch (super->bitfield & 0x7f) {
+    if ((super->contactFlags & 0x80) != 0) {
+        switch (super->contactFlags & 0x7f) {
             case 0:
             case 1:
             case 4:
@@ -74,12 +74,12 @@ void ObjectA8_Init(ObjectA8Entity* this) {
             return;
     }
     super->collisionLayer = 3;
-    super->field_0x3c = 0x17;
+    super->collisionFlags = 0x17;
     super->hurtType = 0x48;
     super->hitType = 7;
     super->flags2 = 0x17;
     super->hitbox = (Hitbox*)&gUnk_080FD1A8;
-    super->field_0x1c = 1;
+    super->gustJarFlags = 1;
     this->unk_74 = super->x.HALF.HI;
     this->unk_76 = super->y.HALF.HI;
     SetDefaultPriority(super, 3);
@@ -89,13 +89,13 @@ void ObjectA8_Init(ObjectA8Entity* this) {
 void ObjectA8_Action1(ObjectA8Entity* this) {
     super->z.WORD -= 0xe000;
     if (super->frame != 0) {
-        if (super->actionDelay != 0) {
-            super->actionDelay *= 0x1e;
+        if (super->timer != 0) {
+            super->timer *= 0x1e;
         } else {
-            super->actionDelay = 0xf0;
+            super->timer = 0xf0;
         }
         super->action = 3;
-        super->field_0xf = 1;
+        super->subtimer = 1;
         super->speed = 0x80;
     }
 }
@@ -111,12 +111,12 @@ void ObjectA8_Action2(ObjectA8Entity* this) {
 
 void ObjectA8_Action2Subaction0(ObjectA8Entity* this) {
     super->subAction = 1;
-    super->field_0x1d = 1;
+    super->gustJarTolerance = 1;
     super->spriteSettings.draw = 1;
 }
 
 void ObjectA8_Action2Subaction1(ObjectA8Entity* this) {
-    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->bitfield & 0x7f) != 0x13) {
+    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->contactFlags & 0x7f) != 0x13) {
         super->action = 3;
     } else {
         sub_0806F4E8(super);
@@ -124,7 +124,7 @@ void ObjectA8_Action2Subaction1(ObjectA8Entity* this) {
 }
 
 void ObjectA8_Action2Subaction2(ObjectA8Entity* this) {
-    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->bitfield & 0x7f) != 0x13) {
+    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->contactFlags & 0x7f) != 0x13) {
         super->action = 3;
     } else {
         if (sub_0806F3E4(super)) {
@@ -143,10 +143,10 @@ void ObjectA8_Action3(ObjectA8Entity* this) {
         0,
         0,
     };
-    if (--super->field_0xf == 0) {
+    if (--super->subtimer == 0) {
         u32 rand = Random();
         super->flags |= ENT_COLLIDE;
-        super->field_0xf = 0x20;
+        super->subtimer = 0x20;
         super->speed = gUnk_0812484C[rand >> 8 & 1];
         if (sub_0809FE9C(this)) {
             super->direction = rand & 0x1f;
@@ -159,10 +159,10 @@ void ObjectA8_Action3(ObjectA8Entity* this) {
     }
     ProcessMovement1(super);
     if ((AnyPrioritySet() == 0) && (super->type == 0)) {
-        if (((gRoomTransition.frameCount & 1) != 0) && (--super->actionDelay == 0)) {
+        if (((gRoomTransition.frameCount & 1) != 0) && (--super->timer == 0)) {
             sub_08081404(super, 0);
         }
-        if (super->actionDelay < 0x3c) {
+        if (super->timer < 0x3c) {
             super->spriteSettings.draw ^= 1;
         }
     }
@@ -183,8 +183,8 @@ void ObjectA8_Action4(ObjectA8Entity* this) {
 
 void ObjectA8_Action5(ObjectA8Entity* this) {
     super->action = 6;
-    super->actionDelay = 0x80;
-    super->field_0xf = 6;
+    super->timer = 0x80;
+    super->subtimer = 6;
     super->flags &= ~ENT_COLLIDE;
     super->spriteSettings.draw = 1;
     super->spritePriority.b1 = 2;
@@ -195,27 +195,27 @@ void ObjectA8_Action5(ObjectA8Entity* this) {
 void ObjectA8_Action6(ObjectA8Entity* this) {
     s32 tmp;
     Entity* child = super->child;
-    tmp = gSineTable[super->actionDelay] * 0xa00;
+    tmp = gSineTable[super->timer] * 0xa00;
     if (tmp < 0) {
         tmp += 0xffff;
     }
     super->x.HALF.HI = (s16)(tmp >> 0x10) + child->x.HALF.HI;
-    tmp = gSineTable[super->actionDelay + 0x40] * 0x500;
+    tmp = gSineTable[super->timer + 0x40] * 0x500;
     if (tmp < 0) {
         tmp += 0xffff;
     }
     super->y.HALF.HI = super->child->y.HALF.HI - (tmp >> 0x10);
-    super->actionDelay += 8;
+    super->timer += 8;
     super->z.HALF.HI = super->child->z.HALF.HI;
     super->spriteOrientation.flipY = super->child->spriteOrientation.flipY;
     super->spriteRendering.b3 = super->child->spriteRendering.b3;
-    if ((u8)(super->actionDelay - 0x41) < 0x7f) {
+    if ((u8)(super->timer - 0x41) < 0x7f) {
         super->spritePriority.b0 = 3;
     } else {
         super->spritePriority.b0 = 5;
     }
-    if (--super->field_0xf == 0) {
-        super->field_0xf = 6;
+    if (--super->subtimer == 0) {
+        super->subtimer = 6;
         if (((--super->spriteOffsetY) * 0x1000000) >> 0x18 < -0x16) {
             sub_08081404(super, 1);
         }
diff --git a/src/object/objectA9.c b/src/object/objectA9.c
index 6d9981ba..825aac96 100644
--- a/src/object/objectA9.c
+++ b/src/object/objectA9.c
@@ -30,8 +30,8 @@ void sub_0809FF28(Entity* this) {
     if (this->frame & 0x80) {
         this->action = 2;
         pEVar1 = this->parent;
-        pEVar1->flags = this->actionDelay;
-        pEVar1->spriteSettings.draw = this->field_0xf;
+        pEVar1->flags = this->timer;
+        pEVar1->spriteSettings.draw = this->subtimer;
         ((GenericEntity*)pEVar1)->field_0x6c.HALF.HI &= 0xef;
     }
 }
diff --git a/src/object/objectAD.c b/src/object/objectAD.c
index ca73277e..f128cb2f 100644
--- a/src/object/objectAD.c
+++ b/src/object/objectAD.c
@@ -19,7 +19,7 @@ void ObjectAD(Entity* this) {
 void sub_080A04A4(Entity* this) {
     this->action = 1;
     this->frameIndex = 4;
-    this->actionDelay = 0;
+    this->timer = 0;
     this->spriteRendering.b3 = 3;
     this->spritePriority.b0 = 7;
     this->z.WORD = 0;
diff --git a/src/object/objectB.c b/src/object/objectB.c
index efdf0c09..a970a016 100644
--- a/src/object/objectB.c
+++ b/src/object/objectB.c
@@ -58,7 +58,7 @@ void ObjectB_Action1(ObjectBEntity* this) {
         return;
     }
     super->action = 2;
-    switch (super->actionDelay) {
+    switch (super->timer) {
         case 0:
         case 1:
             this->unk_68 = GiveItem(super->type, super->type2);
@@ -98,7 +98,7 @@ void ObjectB_Action2(ObjectBEntity* this) {
     u32 messageIndex;
     if ((super->parent)->frame == 0x42) {
         super->action = 3;
-        switch (super->actionDelay) {
+        switch (super->timer) {
             case 1:
             case 3:
             case 4:
@@ -135,7 +135,7 @@ void ObjectB_Action3(ObjectBEntity* this) {
     if ((super->parent)->action == 8) {
         return;
     }
-    switch (super->actionDelay) {
+    switch (super->timer) {
         case 0:
         case 1:
         case 2:
diff --git a/src/object/objectB2.c b/src/object/objectB2.c
index bd2c58b5..a791b9fb 100644
--- a/src/object/objectB2.c
+++ b/src/object/objectB2.c
@@ -10,7 +10,7 @@ void ObjectB2(Entity* this) {
 
     if (this->action == 0) {
         this->action = 1;
-        this->actionDelay = 0x10;
+        this->timer = 0x10;
         this->direction = this->type << 3;
         if (this->collisionLayer == 2) {
             layer = gUnk_0200D654;
@@ -28,7 +28,7 @@ void ObjectB2(Entity* this) {
     if (this->speed < 0x41) {
         this->spriteSettings.draw ^= 1;
 
-        if (--this->actionDelay == 0) {
+        if (--this->timer == 0) {
             DeleteThisEntity();
         }
     }
diff --git a/src/object/objectB4.c b/src/object/objectB4.c
index 2aeaa0f7..4e3cd462 100644
--- a/src/object/objectB4.c
+++ b/src/object/objectB4.c
@@ -33,23 +33,23 @@ void ObjectB4_Type0(Entity* this) {
             this->action = 1;
             this->spriteSettings.draw = 2;
             this->frameIndex = 9;
-            this->actionDelay = 8;
-            this->field_0xf = 0;
+            this->timer = 8;
+            this->subtimer = 0;
             this->spriteRendering.b3 = 1;
             this->spritePriority.b0 = 4;
             this->spriteOrientation.flipY = 1;
             sub_0806FB00(this, 0xbf, 0x48, 0x1e);
             break;
         case 1:
-            if ((this->field_0xf < 7) && (--this->actionDelay == 0)) {
-                this->actionDelay = 1;
-                pEVar3 = CreateObject(OBJECT_B4, 1, this->field_0xf);
+            if ((this->subtimer < 7) && (--this->timer == 0)) {
+                this->timer = 1;
+                pEVar3 = CreateObject(OBJECT_B4, 1, this->subtimer);
                 if (pEVar3 != NULL) {
                     CopyPosition(this, pEVar3);
                     pEVar3->y.HALF.HI = 0x68;
                     SortEntityBelow(this, pEVar3);
                 }
-                this->field_0xf++;
+                this->subtimer++;
             }
 
             if (sub_0806FB38(this) || (1 < gMenu.menuType)) {
@@ -57,14 +57,14 @@ void ObjectB4_Type0(Entity* this) {
                 this->y.HALF.HI = 0x48;
                 this->frameIndex = 10;
                 this->action = 2;
-                while (this->field_0xf < 7) {
-                    pEVar3 = CreateObject(OBJECT_B4, 1, this->field_0xf);
+                while (this->subtimer < 7) {
+                    pEVar3 = CreateObject(OBJECT_B4, 1, this->subtimer);
                     if (pEVar3 != NULL) {
                         CopyPosition(this, pEVar3);
                         pEVar3->y.HALF.HI = 0x68;
                         SortEntityBelow(this, pEVar3);
                     }
-                    this->field_0xf++;
+                    this->subtimer++;
                 }
 
                 pEVar3 = CreateObject(OBJECT_B4, 2, 0);
@@ -112,16 +112,16 @@ void ObjectB4_Type2(Entity* this) {
         this->spritePriority.b0 = 0;
         this->spriteOrientation.flipY = 1;
         this->frameIndex = 11;
-        this->actionDelay = (Random() & 0x3f) + 0x40;
-        this->field_0xf = 0;
+        this->timer = (Random() & 0x3f) + 0x40;
+        this->subtimer = 0;
     }
 
-    if (--this->actionDelay == 0) {
-        this->actionDelay = 4;
-        this->frameIndex = gUnk_08124B30[this->field_0xf++] + 2;
-        if (gUnk_08124B30[this->field_0xf] == 0xff) {
-            this->actionDelay = (Random() & 0x3f) + 0x40;
-            this->field_0xf = 0;
+    if (--this->timer == 0) {
+        this->timer = 4;
+        this->frameIndex = gUnk_08124B30[this->subtimer++] + 2;
+        if (gUnk_08124B30[this->subtimer] == 0xff) {
+            this->timer = (Random() & 0x3f) + 0x40;
+            this->subtimer = 0;
         }
     }
 }
diff --git a/src/object/objectBD.c b/src/object/objectBD.c
index 6e12c57c..714eac33 100644
--- a/src/object/objectBD.c
+++ b/src/object/objectBD.c
@@ -68,8 +68,8 @@ NONMATCH("asm/non_matching/objectBD/sub_080A22C4.inc", void sub_080A22C4(Entity*
     switch (this->action) {
         case 0:
             sub_080A2340(this);
-            this->actionDelay = 8;
-            this->field_0xf = 0;
+            this->timer = 8;
+            this->subtimer = 0;
             this->subAction = this->frameIndex;
             this->speed = (Random() & 3) * 0x10 + 0x1e;
             break;
@@ -81,11 +81,11 @@ NONMATCH("asm/non_matching/objectBD/sub_080A22C4.inc", void sub_080A22C4(Entity*
             this->action = 2;
             break;
         default:
-            if (--this->actionDelay != 0) {
+            if (--this->timer != 0) {
                 return;
             }
-            this->actionDelay = 8;
-            this->field_0xf = tmp2 = (this->field_0xf + 1) & 3;
+            this->timer = 8;
+            this->subtimer = tmp2 = (this->subtimer + 1) & 3;
             tmp3 = this->subAction;
             tmp1 = tmp3 + tmp2;
             this->frameIndex = tmp1;
diff --git a/src/object/objectBlockingStairs.c b/src/object/objectBlockingStairs.c
index aa2108e0..b1274661 100644
--- a/src/object/objectBlockingStairs.c
+++ b/src/object/objectBlockingStairs.c
@@ -59,9 +59,9 @@ void ObjectBlockingStairs_Init(ObjectBlockingStairsEntity* this) {
         default:
             super->action = 1;
             super->speed = 0x80;
-            super->field_0x16 = 1;
-            super->actionDelay = 0;
-            super->field_0xf = 0;
+            super->carryFlags = 1;
+            super->timer = 0;
+            super->subtimer = 0;
             this->unk7a = 0x20;
             this->unk7b = 0x80;
             if (super->type == 0) {
@@ -114,7 +114,7 @@ void ObjectBlockingStairs_Action1(ObjectBlockingStairsEntity* this) {
             super->action = 3;
             super->direction = Direction8FromAnimationState(gPlayerEntity.animationState);
             super->speed = 0x80;
-            super->actionDelay = 0x40;
+            super->timer = 0x40;
             RequestPriorityDuration(super, 0x50);
             EnqueueSFX(SFX_10F);
             sub_08093248(this);
@@ -151,24 +151,24 @@ void ObjectBlockingStairs_Action1(ObjectBlockingStairsEntity* this) {
 }
 
 void ObjectBlockingStairs_Action2(ObjectBlockingStairsEntity* this) {
-    if (super->actionDelay) {
+    if (super->timer) {
         sub_08093280(this);
     } else {
         if (gPlayerState.heldObject == 0x12) {
-            if ((gPlayerEntity.frame & 2) != 0 && ++super->field_0xf > 8) {
+            if ((gPlayerEntity.frame & 2) != 0 && ++super->subtimer > 8) {
                 gPlayerState.queued_action = 16;
                 gPlayerState.field_0x38 = 0x40;
                 gPlayerState.flags |= PL_BUSY;
                 gPlayerEntity.x.HALF.LO = 0;
                 gPlayerEntity.y.HALF.LO = 0;
                 super->direction = (gPlayerEntity.animationState ^ 4) << 2;
-                super->actionDelay = 0x40;
+                super->timer = 0x40;
                 EnqueueSFX(SFX_10F);
                 sub_08093248(this);
             }
         } else if (super->subAction == 6) {
             super->action = 1;
-            super->field_0xf = 0;
+            super->subtimer = 0;
         }
     }
 }
@@ -176,7 +176,7 @@ void ObjectBlockingStairs_Action2(ObjectBlockingStairsEntity* this) {
 void ObjectBlockingStairs_Action3(ObjectBlockingStairsEntity* this) {
     sub_0800445C(super);
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         sub_08093334(this);
     }
     sub_08093364(this);
@@ -255,7 +255,7 @@ void sub_08093248(ObjectBlockingStairsEntity* this) {
 void sub_08093280(ObjectBlockingStairsEntity* this) {
     sub_0800445C(super);
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         sub_08093334(this);
     }
     sub_08093364(this);
@@ -328,7 +328,7 @@ void sub_08093364(ObjectBlockingStairsEntity* this) {
     s32 sVar1;
     Entity* dashEffectEnt;
 
-    if ((super->actionDelay & 3) == 0) {
+    if ((super->timer & 3) == 0) {
         dashEffectEnt = CreateObject(SPECIAL_FX, FX_DASH, 0);
         if (dashEffectEnt != NULL) {
             dashEffectEnt->parent = super;
@@ -340,7 +340,7 @@ void sub_08093364(ObjectBlockingStairsEntity* this) {
             }
 
             sVar1 = dashEffectEnt->y.HALF.HI;
-            if (super->actionDelay & 8) {
+            if (super->timer & 8) {
                 dashEffectEnt->y.HALF.HI = sVar1 + 8;
             } else {
                 dashEffectEnt->y.HALF.HI = sVar1 - 8;
diff --git a/src/object/objectD.c b/src/object/objectD.c
index 89b72fa2..dc164b85 100644
--- a/src/object/objectD.c
+++ b/src/object/objectD.c
@@ -36,7 +36,7 @@ void sub_0808434C(ObjectDEntity* this) {
     super->action = 1;
     super->flags |= 0x80;
     super->spriteSettings.draw = 1;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hitType = 1;
     super->hurtType = 0x47;
     super->flags2 = 2;
@@ -52,7 +52,7 @@ void sub_0808434C(ObjectDEntity* this) {
 }
 
 void sub_080843F8(ObjectDEntity* this) {
-    if (super->bitfield == 0x9c) {
+    if (super->contactFlags == 0x9c) {
         super->action = 2;
         super->flags &= 0x7f;
         CreateFx(super, FX_ICE, 0);
diff --git a/src/object/objectE.c b/src/object/objectE.c
index e7cee6bc..c5b05304 100644
--- a/src/object/objectE.c
+++ b/src/object/objectE.c
@@ -13,10 +13,10 @@
 void ObjectE(Entity* this) {
     if (this->action == 0) {
         this->action = 1;
-        this->actionDelay = 0x14;
+        this->timer = 0x14;
         sub_08004168(this);
     } else {
-        if (this->actionDelay-- == 0) {
+        if (this->timer-- == 0) {
             sub_0807B7D8(0x35, COORD_TO_TILE(this), this->collisionLayer);
             CreateFx(this, FX_FALL_DOWN, 0x40);
             SoundReq(SFX_126);
diff --git a/src/object/objectOnPillar.c b/src/object/objectOnPillar.c
index 0433a93d..7f0456c8 100644
--- a/src/object/objectOnPillar.c
+++ b/src/object/objectOnPillar.c
@@ -80,7 +80,7 @@ void ObjectOnPillar_Init(ObjectOnPillarEntity* this) {
         super->spriteSettings.shadow = 1;
         super->spriteOffsetY = 4;
         super->hitbox = (Hitbox*)&gUnk_080FD1F4;
-        super->field_0x16 = 1;
+        super->carryFlags = 1;
         this->unk_72 = 0;
         super->collisionLayer = this->unk_7d >> 4;
         UpdateSpriteForCollisionLayer(super);
diff --git a/src/object/objectOnSpinyBeetle.c b/src/object/objectOnSpinyBeetle.c
index faba73b0..fe046591 100644
--- a/src/object/objectOnSpinyBeetle.c
+++ b/src/object/objectOnSpinyBeetle.c
@@ -55,14 +55,14 @@ void ObjectOnSpinyBeetle_Init(ObjectOnSpinyBeetleEntity* this) {
     super->flags |= ENT_COLLIDE;
     super->spritePriority.b0 = 6;
     super->spriteRendering.b3 = 2;
-    super->field_0xf = 0;
+    super->subtimer = 0;
     super->hitType = 0x6e;
     super->flags2 = 0x86;
-    super->field_0x16 = 0;
+    super->carryFlags = 0;
     if (super->type != 0) {
-        super->field_0x1c = 2;
+        super->gustJarFlags = 2;
     } else {
-        super->field_0x1c = 1;
+        super->gustJarFlags = 1;
     }
     SortEntityBelow(super, super->parent);
     sub_08098918(this);
@@ -75,8 +75,8 @@ void ObjectOnSpinyBeetle_Action1(ObjectOnSpinyBeetleEntity* this) {
             sub_080989C0(this);
             return;
         }
-        if ((super->bitfield & 0x80) != 0) {
-            switch (super->bitfield & 0x3f) {
+        if ((super->contactFlags & 0x80) != 0) {
+            switch (super->contactFlags & 0x3f) {
                 case 0x13:
                     super->action = 3;
                     super->subAction = 0;
@@ -139,7 +139,7 @@ void ObjectOnSpinyBeetle_Action2(ObjectOnSpinyBeetleEntity* this) {
 
 void ObjectOnSpinyBeetle_Action2Subaction0(ObjectOnSpinyBeetleEntity* this) {
     super->flags |= ENT_COLLIDE;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hitType = 1;
     super->flags2 = gPlayerEntity.flags2;
     super->spriteOffsetY = 0;
@@ -202,12 +202,12 @@ void ObjectOnSpinyBeetle_Action3(ObjectOnSpinyBeetleEntity* this) {
 
 void ObjectOnSpinyBeetle_Action3Subaction0(ObjectOnSpinyBeetleEntity* this) {
     super->subAction = 1;
-    super->field_0x1d = 0x30;
-    super->actionDelay = 0;
+    super->gustJarTolerance = 0x30;
+    super->timer = 0;
 }
 
 void ObjectOnSpinyBeetle_Action3Subaction1(ObjectOnSpinyBeetleEntity* this) {
-    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->bitfield & 0x7f) != 0x13) {
+    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->contactFlags & 0x7f) != 0x13) {
         super->spriteOffsetX = 0;
         super->action = 1;
     } else {
@@ -216,13 +216,13 @@ void ObjectOnSpinyBeetle_Action3Subaction1(ObjectOnSpinyBeetleEntity* this) {
 }
 
 void ObjectOnSpinyBeetle_Action3Subaction2(ObjectOnSpinyBeetleEntity* this) {
-    if (super->actionDelay == 0) {
-        super->actionDelay = 1;
+    if (super->timer == 0) {
+        super->timer = 1;
         super->spriteOffsetX = 0;
         super->spriteOffsetY = -2;
         (super->parent)->child = NULL;
     }
-    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->bitfield & 0x7f) != 0x13) {
+    if ((gPlayerState.field_0x1c & 0xf) != 1 || (super->contactFlags & 0x7f) != 0x13) {
         sub_080989C0(this);
     } else {
         if ((sub_0806F3E4(super) != 0) && (super->type == 0)) {
@@ -269,16 +269,16 @@ void sub_08098918(ObjectOnSpinyBeetleEntity* this) {
         CopyPosition(parent, super);
         tmp = parent->flags & 0x80;
         if ((parent->flags & ENT_COLLIDE) != 0) {
-            if (super->field_0xf == 0) {
-                super->field_0xf += 1;
+            if (super->subtimer == 0) {
+                super->subtimer += 1;
                 super->spritePriority.b0 = 3;
                 SortEntityBelow(super, super->parent);
             }
             super->z.HALF.HI = gUnk_08123558[parent->frame & 0xf] - 8;
             super->spriteOffsetY = 0;
         } else {
-            if (super->field_0xf != 0) {
-                super->field_0xf = tmp;
+            if (super->subtimer != 0) {
+                super->subtimer = tmp;
                 super->spritePriority.b0 = 6;
                 SortEntityBelow(super, super->parent);
             }
diff --git a/src/object/octorokBossObject.c b/src/object/octorokBossObject.c
index b7316b8c..7d47d15d 100644
--- a/src/object/octorokBossObject.c
+++ b/src/object/octorokBossObject.c
@@ -11,7 +11,7 @@ bool32 sub_0809A6F8(u32, u32, u32, u32);
 bool32 sub_0809A758(u32, u32);
 
 typedef struct HelperStruct {
-    u8 field_0x0; // [0,1,2,4]  is later stored in this->field_0xf
+    u8 field_0x0; // [0,1,2,4]  is later stored in this->subtimer
     u8 tailCount;
     u8 field_0x2; // [0,1]
     u8 field_0x3; // relates to this->field_0x7a.HALF.HI
@@ -48,8 +48,8 @@ void OctorokBossObject_Init(Entity* this) {
     switch (this->type) {
         case 0:
             this->field_0x78.HALF.HI = 0x96;
-            this->actionDelay = 0;
-            this->field_0xf = 0x1e;
+            this->timer = 0;
+            this->subtimer = 0x1e;
         case 1:
             InitializeAnimation(this, 0);
             EnqueueSFX(SFX_124);
@@ -115,14 +115,14 @@ void OctorokBossObject_Init(Entity* this) {
             InitializeAnimation(this, 7);
             break;
         case 7:
-            this->actionDelay = 0;
+            this->timer = 0;
             InitializeAnimation(this, 8);
             CopyPosition(this->parent, this);
             break;
         case 8:
             this->type2 = this->parent->field_0x7c.BYTES.byte0;
-            this->actionDelay = 4;
-            this->field_0xf = 0;
+            this->timer = 4;
+            this->subtimer = 0;
             this->field_0x82.HWORD = (this->x.HALF.HI - (gRoomControls.origin_x)) & 0x1f0;
             this->field_0x80.HWORD = (this->y.HALF.HI - ((u32)gRoomControls.origin_y)) & 0x1f0;
             *(int*)&this->cutsceneBeh =
@@ -153,8 +153,8 @@ NONMATCH("asm/non_matching/octorokBossObject/OctorokBossObject_Action1.inc",
         case 0:
             if (this->field_0x78.HALF.HI != 0) {
                 this->field_0x78.HALF.HI--;
-                if (this->field_0xf-- == 0) {
-                    this->field_0xf = 5;
+                if (this->subtimer-- == 0) {
+                    this->subtimer = 5;
                     this->child = CreateObjectWithParent(this, OCTOROK_BOSS_OBJECT, 1, this->type2);
                     if (this->child != NULL) {
                         this->child->parent = this->parent;
@@ -166,18 +166,18 @@ NONMATCH("asm/non_matching/octorokBossObject/OctorokBossObject_Action1.inc",
                 return;
             }
         case 1:
-            this->direction = sub_080045DA(GET_HELPER(this)->tailObjects[this->actionDelay]->x.WORD - this->x.WORD,
-                                           GET_HELPER(this)->tailObjects[this->actionDelay]->y.WORD - this->y.WORD);
+            this->direction = sub_080045DA(GET_HELPER(this)->tailObjects[this->timer]->x.WORD - this->x.WORD,
+                                           GET_HELPER(this)->tailObjects[this->timer]->y.WORD - this->y.WORD);
             LinearMoveAngle(this, this->speed, this->direction);
-            if (EntityInRectRadius(this, GET_HELPER(this)->tailObjects[this->actionDelay], 2, 2) == 0) {
+            if (EntityInRectRadius(this, GET_HELPER(this)->tailObjects[this->timer], 2, 2) == 0) {
                 return;
             }
             if (this->type == 0) {
-                GET_HELPER(this)->tailObjects[this->actionDelay]->spriteSettings.draw &= -2;
+                GET_HELPER(this)->tailObjects[this->timer]->spriteSettings.draw &= -2;
             }
-            if ((u32)this->actionDelay == GET_HELPER(this)->tailCount - 1) {
+            if ((u32)this->timer == GET_HELPER(this)->tailCount - 1) {
                 this->action = 2;
-                this->actionDelay = 0xf0;
+                this->timer = 0xf0;
                 this->direction = gUnk_0812384C[(this->type2 & 0xf) * 2] + ((u8)Random() & 0xf);
                 this->speed = gUnk_0812384C[(this->type2 & 0xf) * 2 + 1] + ((u16)Random() & 0x1ff);
                 if (this->type != 0) {
@@ -187,7 +187,7 @@ NONMATCH("asm/non_matching/octorokBossObject/OctorokBossObject_Action1.inc",
                 this->parent->subAction = 0;
                 return;
             }
-            this->actionDelay += 1;
+            this->timer += 1;
             return;
         case 2:
             if (this->parent->type2 == 3) {
@@ -250,25 +250,25 @@ NONMATCH("asm/non_matching/octorokBossObject/OctorokBossObject_Action1.inc",
                                 (u32)gUnk_0812388C[(u32)this->type2 * 2]);
             return;
         case 7:
-            if (this->actionDelay == 0) {
+            if (this->timer == 0) {
                 CopyPosition(this->parent, this);
                 return;
             }
             DeleteThisEntity();
             break;
         case 8:
-            if (this->actionDelay-- != 0) {
+            if (this->timer-- != 0) {
                 return;
             }
-            this->actionDelay = 4;
-            this->field_0xf++;
-            t2 = t1 = (*(int*)&this->cutsceneBeh) - this->field_0xf * 0x1f;
+            this->timer = 4;
+            this->subtimer++;
+            t2 = t1 = (*(int*)&this->cutsceneBeh) - this->subtimer * 0x1f;
             this->field_0x7c.HALF_U.HI = this->field_0x82.HWORD;
             this->field_0x7a.HWORD = this->field_0x82.HWORD;
-            this->field_0x7c.HALF_U.LO = this->field_0x80.HWORD - this->field_0xf * 0x10;
+            this->field_0x7c.HALF_U.LO = this->field_0x80.HWORD - this->subtimer * 0x10;
             this->field_0x78.HWORD = this->field_0x7c.HALF.LO;
             tmp_c = sub_0809A6F8(this->field_0x7a.HWORD, this->field_0x78.HWORD, t1, this->type2);
-            for (loop_var = this->field_0xf; loop_var != 0; loop_var--) {
+            for (loop_var = this->subtimer; loop_var != 0; loop_var--) {
                 this->field_0x7a.HWORD -= 0x10;
                 this->field_0x78.HWORD += 0x10;
                 t1 += 0x1e;
@@ -278,13 +278,13 @@ NONMATCH("asm/non_matching/octorokBossObject/OctorokBossObject_Action1.inc",
                 t2 += 0x20;
                 tmp_c += sub_0809A6F8(this->field_0x7c.HALF_U.HI, this->field_0x7c.HALF_U.LO, t2, this->type2);
             }
-            t2 = t1 = (*(int*)&this->cutsceneBeh) + this->field_0xf * 0x1f;
+            t2 = t1 = (*(int*)&this->cutsceneBeh) + this->subtimer * 0x1f;
             this->field_0x7c.HALF.HI = this->field_0x82.HWORD;
             this->field_0x7a.HWORD = this->field_0x82.HWORD;
-            this->field_0x7c.HALF.LO = this->field_0xf * 0x10 + this->field_0x80.HWORD;
+            this->field_0x7c.HALF.LO = this->subtimer * 0x10 + this->field_0x80.HWORD;
             this->field_0x78.HWORD = this->field_0x7c.HALF.LO;
             tmp_c += sub_0809A6F8(this->field_0x7a.HWORD, this->field_0x78.HWORD, t1, this->type2);
-            for (loop_var = this->field_0xf - 1; loop_var != 0; loop_var--) {
+            for (loop_var = this->subtimer - 1; loop_var != 0; loop_var--) {
                 this->field_0x7a.HWORD -= 0x10;
                 this->field_0x78.HWORD -= 0x10;
                 t1 -= 0x20;
@@ -314,7 +314,7 @@ void OctorokBossObject_Action2(Entity* this) {
     s32 radius;
 
     GetNextFrame(this);
-    if (this->actionDelay-- != 0) {
+    if (this->timer-- != 0) {
         tmp = (0x10000 / this->parent->field_0x74.HWORD);
         radius = (this->speed * tmp) >> 8;
         this->field_0x7a.HALF.HI = -this->parent->field_0x7a.HALF.HI + this->direction;
diff --git a/src/object/picoBloom.c b/src/object/picoBloom.c
index de912b8a..37b6a751 100644
--- a/src/object/picoBloom.c
+++ b/src/object/picoBloom.c
@@ -26,14 +26,14 @@ void PicoBloom_Init(Entity* this) {
         nextAction = 2;
     }
     this->action = nextAction;
-    this->actionDelay = (Random() & 0x7f) + 0x7f;
+    this->timer = (Random() & 0x7f) + 0x7f;
     this->collisionLayer = 1;
     UpdateSpriteForCollisionLayer(this);
     InitializeAnimation(this, typeAnimationStates[this->type] + this->type2);
 }
 
 void PicoBloom_Action1(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action++;
     }
 }
diff --git a/src/object/playerClone.c b/src/object/playerClone.c
index 3e7eadab..29ecc16e 100644
--- a/src/object/playerClone.c
+++ b/src/object/playerClone.c
@@ -66,7 +66,7 @@ void PlayerClone_Action1(PlayerCloneEntity* this) {
         super->action = 2;
         super->updatePriority = 6;
         super->hitbox = (Hitbox*)&PlayerCloneHitbox;
-        super->field_0xf = (super->type + 1) * 15;
+        super->subtimer = (super->type + 1) * 15;
         this->unk78 = super->x.HALF.HI - gPlayerEntity.x.HALF.HI;
         this->unk7a = super->y.HALF.HI - gPlayerEntity.y.HALF.HI;
         if ((this->unk78 != 0) && (this->unk7a != 0)) {
@@ -92,11 +92,11 @@ void PlayerClone_Action1(PlayerCloneEntity* this) {
 void PlayerClone_Action2(PlayerCloneEntity* this) {
     u32 index;
 
-    if (super->field_0xf == 1) {
+    if (super->subtimer == 1) {
         SoundReq(SFX_PLY_VO2);
-        super->field_0xf--;
-    } else if (super->field_0xf != 0) {
-        super->field_0xf--;
+        super->subtimer--;
+    } else if (super->subtimer != 0) {
+        super->subtimer--;
     }
 
     if (gPlayerState.chargeState.action == 5 && gPlayerClones[super->type] != NULL && gPlayerState.framestate != 19 &&
@@ -119,17 +119,17 @@ void PlayerClone_Action2(PlayerCloneEntity* this) {
                 }
 
                 if (index == 4) {
-                    super->actionDelay = 0;
+                    super->timer = 0;
                     super->spriteSettings.draw = 1;
                     return;
                 } else {
-                    if (super->actionDelay != 0) {
-                        if (--super->actionDelay != 0) {
+                    if (super->timer != 0) {
+                        if (--super->timer != 0) {
                             super->spriteSettings.draw ^= 1;
                             return;
                         }
                     } else {
-                        super->actionDelay = 30;
+                        super->timer = 30;
                         return;
                     }
                 }
@@ -160,7 +160,7 @@ void sub_08084B1C(PlayerCloneEntity* this) {
     super->collisionLayer = gPlayerEntity.collisionLayer;
     super->flags2 = gPlayerEntity.flags2;
     super->hitType = gPlayerEntity.hitType;
-    super->field_0x3c = gPlayerEntity.field_0x3c;
+    super->collisionFlags = gPlayerEntity.collisionFlags;
     super->hurtType = gPlayerEntity.hurtType;
     CopyPosition(super, super->child);
     if (gPlayerState.field_0x3[1] != 0) {
diff --git a/src/object/pot.c b/src/object/pot.c
index b75999d6..18f69ed2 100644
--- a/src/object/pot.c
+++ b/src/object/pot.c
@@ -21,7 +21,7 @@ extern void sub_08016A6C(Entity*);
 
 void Pot(Entity* this) {
     gUnk_0811F090[this->action](this);
-    this->bitfield = 0;
+    this->contactFlags = 0;
 }
 
 void sub_0808222C(Entity* this) {
@@ -33,13 +33,13 @@ void sub_0808222C(Entity* this) {
     this->hitbox = (Hitbox*)&gHitbox_18;
     this->speed = 0x80;
     this->y.HALF.HI += 3;
-    this->field_0x16 = 0;
+    this->carryFlags = 0;
     COLLISION_ON(this);
     this->health = 1;
-    this->field_0x3c = 7;
+    this->collisionFlags = 7;
     this->hitType = 0x6E;
     this->flags2 = 0x84;
-    this->field_0x1c = 0x12;
+    this->gustJarFlags = 0x12;
     if (this->collisionLayer == 0) {
         ResolveCollisionLayer(this);
     }
@@ -55,7 +55,7 @@ void sub_0808222C(Entity* this) {
 
 void sub_08082310(Entity* this) {
     u32 tileType;
-    u32 var0 = this->bitfield & 0x7F;
+    u32 var0 = this->contactFlags & 0x7F;
     switch (var0) {
         case 0x13:
             this->action = 3;
@@ -80,11 +80,11 @@ void sub_08082310(Entity* this) {
                     case 0x4002:
                     case 0x4001:
                         this->direction = (tileType - 0x4001) * 8;
-                        this->actionDelay = 32;
+                        this->timer = 32;
                         this->action = 4;
                         if (gPlayerState.flags & PL_MINISH) {
                             this->speed >>= 1;
-                            this->actionDelay = 64;
+                            this->timer = 64;
                         }
                         SetTile((u16)this->field_0x70.HALF.LO, COORD_TO_TILE(this), this->collisionLayer);
                         EnqueueSFX(SFX_10F);
@@ -117,7 +117,7 @@ void sub_080824F8(Entity* this) {
 void sub_08082510(Entity* this) {
     COLLISION_ON(this);
     this->hitbox = (Hitbox*)&gUnk_080FD340;
-    this->field_0x3c = 7;
+    this->collisionFlags = 7;
     this->hitType = 1;
     this->flags2 = gPlayerEntity.flags2;
     this->spriteOffsetY = 0;
@@ -170,7 +170,7 @@ void sub_08082614(Entity* this) {
     u32 tileType;
 
     sub_0800445C(this);
-    if (this->actionDelay-- != 0) {
+    if (this->timer-- != 0) {
         LinearMoveUpdate(this);
         sub_08016A6C(this);
         return;
@@ -205,12 +205,12 @@ void sub_080826E4(Entity* this) {
 
 void sub_080826FC(Entity* this) {
     this->subAction = 1;
-    this->field_0x1d = 48;
-    this->actionDelay = 0;
+    this->gustJarTolerance = 48;
+    this->timer = 0;
 }
 
 void sub_0808270C(Entity* this) {
-    if ((gPlayerState.field_0x1c & 0xF) != 0x1 || (this->bitfield & 0x7F) != 0x13) {
+    if ((gPlayerState.field_0x1c & 0xF) != 0x1 || (this->contactFlags & 0x7F) != 0x13) {
         this->spriteOffsetX = 0;
         this->action = 1;
         SetTile(0x4000, COORD_TO_TILE(this), this->collisionLayer);
@@ -220,14 +220,14 @@ void sub_0808270C(Entity* this) {
 }
 
 void sub_08082778(Entity* this) {
-    if (this->actionDelay == 0) {
-        this->actionDelay = 1;
+    if (this->timer == 0) {
+        this->timer = 1;
         this->spriteOffsetX = 0;
         this->spriteOffsetY = -2;
         SetTile((u16)this->field_0x70.HALF.LO, COORD_TO_TILE(this), this->collisionLayer);
     }
 
-    if ((gPlayerState.field_0x1c & 0xF) != 0x1 || (this->bitfield & 0x7F) != 0x13) {
+    if ((gPlayerState.field_0x1c & 0xF) != 0x1 || (this->contactFlags & 0x7F) != 0x13) {
         sub_08082850(this, NULL);
     } else {
         sub_0806F3E4(this);
@@ -285,10 +285,10 @@ u32 sub_0808288C(Entity* this, u32 form, u32 arg2, u32 arg3) {
             entity = CreateObjectWithParent(this, GROUND_ITEM, form, arg2);
             if (entity != NULL) {
                 if (arg3 == 2) {
-                    entity->actionDelay = 5;
+                    entity->timer = 5;
                     entity->field_0x86.HWORD = this->field_0x86.HWORD;
                 } else {
-                    entity->actionDelay = 0;
+                    entity->timer = 0;
                 }
             }
             break;
diff --git a/src/object/pressurePlate.c b/src/object/pressurePlate.c
index b3231615..4536eeda 100644
--- a/src/object/pressurePlate.c
+++ b/src/object/pressurePlate.c
@@ -33,8 +33,8 @@ void PressurePlate(PressurePlateEntity* this) {
         sub_080888F4,
     };
 
-    if (super->field_0xf) {
-        if (--super->field_0xf == 0) {
+    if (super->subtimer) {
+        if (--super->subtimer == 0) {
             this->dir = super->animationState;
             InitializeAnimation(super, super->animationState);
         }
@@ -57,7 +57,7 @@ void sub_0808886C(PressurePlateEntity* this) {
     weight = sub_08088938(this) + get_standing_count(this);
     if (super->type + 2 <= weight) {
         super->action = 2;
-        super->field_0xf = 0;
+        super->subtimer = 0;
         super->animationState = 4;
         super->z.HALF.HI = 0;
         InitializeAnimation(super, 4);
@@ -66,7 +66,7 @@ void sub_0808886C(PressurePlateEntity* this) {
     } else {
         if (weight > super->animationState) {
             if (super->type + 1 == weight) {
-                super->field_0xf = 4;
+                super->subtimer = 4;
                 InitializeAnimation(super, weight + 1);
             } else {
                 InitializeAnimation(super, weight);
diff --git a/src/object/pullableLever.c b/src/object/pullableLever.c
index 98b62c82..e3c762e4 100644
--- a/src/object/pullableLever.c
+++ b/src/object/pullableLever.c
@@ -17,7 +17,7 @@ typedef struct {
     /*0x68*/ u8 unk_68[8];
     /*0x70*/ u16 pullLength;
     /*0x72*/ u16 leverPart; // lever part number? [0,1,2]
-    /*0x74*/ u8 actionDelay;
+    /*0x74*/ u8 timer;
     /*0x75*/ u8 unk_75;
     /*0x76*/ u16 necessaryPullLength;
     /*0x78*/ u8 unk_78[6];
@@ -49,7 +49,7 @@ void PullableLever(PullableLeverEntity* this) {
         case HANDLE:
             PullableLever_HandleActions[super->action](this);
             sub_0800445C(super);
-            gUnk_02021F00[this->actionDelay] = this->pullLength;
+            gUnk_02021F00[this->timer] = this->pullLength;
             break;
         case MIDDLE:
             PullableLever_MiddleActions[super->action](this);
@@ -79,14 +79,14 @@ void PullableLever_HandleInit(PullableLeverEntity* this) {
         } else {
             super->hitbox = (Hitbox*)&gUnk_080FD270;
         }
-        super->field_0x16 = 1;
+        super->carryFlags = 1;
         super->x.HALF.HI += PullableLever_InitialOffsets[super->type2 * 2];
         this->initialX = super->x.HALF.HI;
         super->y.HALF.HI += PullableLever_InitialOffsets[super->type2 * 2 + 1];
         this->initialY = super->y.HALF.HI;
         CopyPosition(super, &entity1->base);
         this->necessaryPullLength = this->unk_7e;
-        this->actionDelay = super->actionDelay;
+        this->timer = super->timer;
         InitializeAnimation(super, super->type2);
     }
 }
@@ -120,7 +120,7 @@ void PullableLever_HandleSubAction0(PullableLeverEntity* this) {
             }
         }
         this->unk_75 = 1;
-        super->field_0xf = 2;
+        super->subtimer = 2;
     }
     if (player->animationState >> 1 == super->type2) {
         if (gPlayerState.framestate == PL_STATE_PULL) {
@@ -228,8 +228,8 @@ void sub_0809153C(PullableLeverEntity* this) {
         EnqueueSFX(SFX_BUTTON_PRESS);
         SetFlag(this->pulledFlag);
     } else {
-        if (--super->field_0xf == 0) {
-            super->field_0xf = 0x10;
+        if (--super->subtimer == 0) {
+            super->subtimer = 0x10;
             EnqueueSFX(SFX_10F);
         }
     }
diff --git a/src/object/pullableMushroom.c b/src/object/pullableMushroom.c
index 80d2c605..f4b1d794 100644
--- a/src/object/pullableMushroom.c
+++ b/src/object/pullableMushroom.c
@@ -49,7 +49,7 @@ void PullableMushroom(PullableMushroomEntity* this) {
         PullableMushroom_Action3,
     };
     PullableMushroom_Actions[super->action](this);
-    super->bitfield = 0;
+    super->contactFlags = 0;
 }
 
 void PullableMushroom_Init(PullableMushroomEntity* this) {
@@ -61,13 +61,13 @@ void PullableMushroom_Init(PullableMushroomEntity* this) {
         case 0:
             super->spritePriority.b0 = 4;
             super->hitbox = (Hitbox*)&gUnk_080FD224;
-            super->field_0x16 = 1;
+            super->carryFlags = 1;
             SetTile(0x4022, COORD_TO_TILE(super), super->collisionLayer);
             super->health = 1;
-            super->field_0x3c = 7;
+            super->collisionFlags = 7;
             super->hitType = 0x6e;
             super->flags2 = 0x0e;
-            super->field_0x1c = 1;
+            super->gustJarFlags = 1;
             super->flags |= 0x80;
             super->spriteOffsetY = 4;
             break;
@@ -77,10 +77,10 @@ void PullableMushroom_Init(PullableMushroomEntity* this) {
                 super->hitbox = (Hitbox*)&gUnk_080FD224;
                 super->flags |= 0x80;
                 super->health = 1;
-                super->field_0x3c = 7;
+                super->collisionFlags = 7;
                 super->hitType = 0x6e;
                 super->flags2 = 4;
-                super->field_0x1c = 1;
+                super->gustJarFlags = 1;
                 super->action = 3;
             }
             InitializeAnimation(super, super->animationState + 9);
@@ -135,7 +135,7 @@ void sub_0808ACEC(PullableMushroomEntity* this) {
         InitializeAnimation(super, 0);
     }
 
-    switch (super->bitfield & 0x7f) {
+    switch (super->contactFlags & 0x7f) {
         case 0x4:
         case 0x5:
         case 0x6:
@@ -153,15 +153,15 @@ void sub_0808ACEC(PullableMushroomEntity* this) {
             COLLISION_OFF(super);
             super->animationState = sub_0806F5A4(super->knockbackDirection);
             super->subAction = 2;
-            super->actionDelay = 2;
+            super->timer = 2;
             break;
         case 0x13:
             super->action = 3;
             super->subAction = 0;
             break;
         default:
-            super->field_0xf = 0;
-            super->actionDelay = 0;
+            super->subtimer = 0;
+            super->timer = 0;
             RegisterCarryEntity(super);
             break;
     }
@@ -170,7 +170,7 @@ void sub_0808ACEC(PullableMushroomEntity* this) {
 void sub_0808ADA0(PullableMushroomEntity* this) {
     if ((sub_0808B1F0(this, super->child) < 8) || (super->child == NULL)) {
         super->subAction += 1;
-        super->actionDelay = 2;
+        super->timer = 2;
         super->flags |= ENT_COLLIDE;
         super->animationState ^= 2;
         super->spritePriority.b0 = 4;
@@ -199,7 +199,7 @@ void sub_0808ADF0(PullableMushroomEntity* this) {
             SoundReq(SFX_12E);
         } else {
             GetNextFrame(super);
-            if (((super->frame & ANIM_DONE) != 0) && (super->actionDelay-- == 0)) {
+            if (((super->frame & ANIM_DONE) != 0) && (super->timer-- == 0)) {
                 InitializeAnimation(super, super->animationState + 0xd);
             }
         }
@@ -220,7 +220,7 @@ void PullableMushroom_Action2(PullableMushroomEntity* this) {
 void sub_0808AEB0(PullableMushroomEntity* this) {
     static const u16 gUnk_081211E4[] = { 1024, 256, 2048, 512 };
     u32 uVar1;
-    if (super->actionDelay != 0) {
+    if (super->timer != 0) {
         uVar1 = sub_0808B1F0(this, super->child);
         if ((gPlayerState.field_0x90 & gUnk_081211E4[super->animationState]) != 0) {
             GetNextFrame(super);
@@ -231,10 +231,10 @@ void sub_0808AEB0(PullableMushroomEntity* this) {
                     SoundReq(SFX_12F);
                 }
             }
-            super->field_0xf = 1;
+            super->subtimer = 1;
 
         } else {
-            if (((super->field_0xf != 0) && (gPlayerEntity.action == 1)) && (gPlayerState.swim_state == 0)) {
+            if (((super->subtimer != 0) && (gPlayerEntity.action == 1)) && (gPlayerState.swim_state == 0)) {
                 gPlayerState.queued_action = 0x1b;
                 gPlayerState.field_0x38 = uVar1;
                 gPlayerState.field_0x39 = super->direction ^ 0x10;
@@ -243,7 +243,7 @@ void sub_0808AEB0(PullableMushroomEntity* this) {
             }
         }
     } else {
-        super->actionDelay = 1;
+        super->timer = 1;
         this->unk_7c = 1;
         super->animationState = AnimationStateFlip90(gPlayerEntity.animationState >> 1);
         super->direction = (super->animationState << 3);
@@ -275,7 +275,7 @@ void PullableMushroom_Action3(PullableMushroomEntity* this) {
     };
 
     funcs[super->subAction](this);
-    if ((((gPlayerState.field_0x1c & 0xf) != 1) || ((super->bitfield & 0x7f) != 0x13)) && (super->type == 1)) {
+    if ((((gPlayerState.field_0x1c & 0xf) != 1) || ((super->contactFlags & 0x7f) != 0x13)) && (super->type == 1)) {
         (super->parent)->action = 1;
         (super->parent)->subAction = 1;
         super->direction = DirectionTurnAround(super->parent->direction);
diff --git a/src/object/pushableFurniture.c b/src/object/pushableFurniture.c
index 70213732..4b9c269c 100644
--- a/src/object/pushableFurniture.c
+++ b/src/object/pushableFurniture.c
@@ -68,7 +68,7 @@ void PushableFurniture_Action1(PushableFurnitureEntity* this) {
             sub_0808FB68(this);
         }
     } else {
-        if (super->actionDelay != 0 && --super->actionDelay == 0) {
+        if (super->timer != 0 && --super->timer == 0) {
             EnqueueSFX(SFX_BUTTON_PRESS);
         }
     }
@@ -79,11 +79,11 @@ void PushableFurniture_Action1(PushableFurnitureEntity* this) {
                 case 0:
                     if (sub_0808FECC(this)) {
                         super->subAction = 1;
-                        super->actionDelay = 0xc;
+                        super->timer = 0xc;
                     }
                     break;
                 case 1:
-                    if (--super->actionDelay == 0) {
+                    if (--super->timer == 0) {
                         super->frameIndex = 1;
                         super->subAction = 2;
                         EnqueueSFX(SFX_80);
@@ -146,7 +146,7 @@ bool32 sub_0808FC5C(PushableFurnitureEntity* this) {
     u8* puVar5;
 
     LinearMoveUpdate(super);
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         if ((super->type == 2) || (super->type == 4)) {
             super->spriteOffsetY = 0xfe;
         } else {
@@ -155,7 +155,7 @@ bool32 sub_0808FC5C(PushableFurnitureEntity* this) {
         if (sub_080B1B0C(super)) {
             return 0;
         }
-        if (super->field_0xf == 0) {
+        if (super->subtimer == 0) {
             sub_0808FF50(this);
             return TRUE;
         }
@@ -187,12 +187,12 @@ bool32 sub_0808FC5C(PushableFurnitureEntity* this) {
             }
         }
         if (this->unk_80 == 0) {
-            super->actionDelay = 4;
+            super->timer = 4;
         } else {
-            super->actionDelay = 0x18;
+            super->timer = 0x18;
         }
         if ((gPlayerState.flags & 0x80) == 0) {
-            super->actionDelay += 0x10;
+            super->timer += 0x10;
         }
         sub_0808FF50(this);
         return TRUE;
@@ -215,19 +215,19 @@ void sub_0808FD44(PushableFurnitureEntity* this, u32 param_2) {
         }
         if ((gPlayerState.flags & 0x80) != 0) {
             super->speed = 0x40;
-            super->actionDelay = 0x20;
+            super->timer = 0x20;
         } else {
             super->speed = 0x80;
-            super->actionDelay = 0x10;
+            super->timer = 0x10;
         }
     } else {
         tmp = this->unk_7c;
         if ((gPlayerState.flags & 0x80) != 0) {
             super->speed = 0x40;
-            super->actionDelay = 0x40;
+            super->timer = 0x40;
         } else {
             super->speed = 0x80;
-            super->actionDelay = 0x20;
+            super->timer = 0x20;
         }
     }
     EnqueueSFX(SFX_10F);
diff --git a/src/object/pushableGrave.c b/src/object/pushableGrave.c
index 5e882fd7..f84681ea 100644
--- a/src/object/pushableGrave.c
+++ b/src/object/pushableGrave.c
@@ -86,23 +86,23 @@ void PushableGrave_Init(PushableGraveEntity* this) {
 
 void PushableGrave_Action1(PushableGraveEntity* this) {
     if (sub_0809785C(this)) {
-        RequestPriorityDuration(super, super->actionDelay);
+        RequestPriorityDuration(super, super->timer);
     }
 }
 
 void PushableGrave_Action2(PushableGraveEntity* this) {
     if (super->subAction == 0) {
-        if (--super->field_0xf == 0) {
+        if (--super->subtimer == 0) {
             super->subAction = 1;
-            super->field_0xf = 0x78;
+            super->subtimer = 0x78;
             gRoomControls.camera_target = super;
             gRoomControls.unk5 = 2;
         }
     } else {
-        if (--super->field_0xf == 0) {
+        if (--super->subtimer == 0) {
             super->action = 3;
-            super->actionDelay = 0x60;
-            super->field_0xf = 0x14;
+            super->timer = 0x60;
+            super->subtimer = 0x14;
             RequestPriorityDuration(super, 0x60);
             SoundReq(SFX_10F);
         }
@@ -110,13 +110,13 @@ void PushableGrave_Action2(PushableGraveEntity* this) {
 }
 
 void PushableGrave_Action3(PushableGraveEntity* this) {
-    if (super->actionDelay != 0) {
-        super->actionDelay--;
+    if (super->timer != 0) {
+        super->timer--;
         LinearMoveUpdate(super);
         sub_0800445C(super);
     } else {
-        if (super->field_0xf != 0) {
-            super->field_0xf--;
+        if (super->subtimer != 0) {
+            super->subtimer--;
         } else {
             EnqueueSFX(SFX_SECRET);
             sub_080977F4(this);
@@ -152,8 +152,8 @@ bool32 sub_0809785C(PushableGraveEntity* this) {
         if (super->type2 != 0) {
             if ((CheckFlags(this->pushedFlag) != 0) || GetTileType(this->unk_68, super->collisionLayer) == 0x403f) {
                 super->action = 3;
-                super->actionDelay = 0x40;
-                super->field_0xf = 0;
+                super->timer = 0x40;
+                super->subtimer = 0;
                 super->direction = 0;
                 super->speed = 0x40;
                 tilePosition = this->unk_68;
@@ -177,8 +177,8 @@ bool32 sub_0809785C(PushableGraveEntity* this) {
         if (CheckFlags(this->pushedFlag) != 0) {
             super->action = 2;
             super->subAction = 0;
-            super->actionDelay = 0xf0;
-            super->field_0xf = 0x3c;
+            super->timer = 0xf0;
+            super->subtimer = 0x3c;
             super->direction = 0;
             super->speed = 0x40;
             RestorePrevTileEntity(this->unk_68, super->collisionLayer);
diff --git a/src/object/pushableStatue.c b/src/object/pushableStatue.c
index 3074fcff..c94f81fb 100644
--- a/src/object/pushableStatue.c
+++ b/src/object/pushableStatue.c
@@ -50,7 +50,7 @@ void PushableStatue_Init(PushableStatueEntity* this) {
         super->speed = 0x80;
         super->updatePriority = 3;
         super->hitbox = (Hitbox*)&gUnk_080FD1F4;
-        super->field_0x16 = 1;
+        super->carryFlags = 1;
         this->unk_86 = 0;
         sub_08089454(this);
         sub_080894C8(this);
@@ -153,7 +153,7 @@ void PushableStatue_Action3(PushableStatueEntity* this) {
 }
 
 void PushableStatue_Action4(PushableStatueEntity* this) {
-    if (--super->actionDelay != 0) {
+    if (--super->timer != 0) {
         super->spriteSettings.draw ^= 1;
     } else {
         super->spriteSettings.draw = 1;
@@ -226,7 +226,7 @@ bool32 sub_080895C0(PushableStatueEntity* this) {
         super->y.HALF.HI += gUnk_08120CBC[(super->direction >> 2) + 1];
         sub_08089454(this);
         super->action = 4;
-        super->actionDelay = 0x3c;
+        super->timer = 0x3c;
     }
     sub_0800445C(super);
     return FALSE;
diff --git a/src/object/railtrack.c b/src/object/railtrack.c
index cb6fb550..e021ac7e 100644
--- a/src/object/railtrack.c
+++ b/src/object/railtrack.c
@@ -47,7 +47,7 @@ void sub_080851AC(Entity* this) {
 void sub_08085264(Entity* this) {
     if (CheckFlags(this->field_0x86.HWORD)) {
         this->action = 2;
-        this->field_0xf = 8;
+        this->subtimer = 8;
         if (this->type == 1) {
             ClearFlag(this->field_0x86.HWORD);
         }
@@ -59,9 +59,9 @@ void sub_08085264(Entity* this) {
 }
 
 void sub_080852B4(Entity* this) {
-    if (--this->field_0xf == 0) {
+    if (--this->subtimer == 0) {
         this->action = 3;
-        this->field_0xf = this->actionDelay;
+        this->subtimer = this->timer;
         this->field_0x7a.HWORD = CheckFlags(this->field_0x86.HWORD);
         this->animationState = (this->animationState + *(u8*)&this->field_0x7c) & 3;
         InitializeAnimation(this, this->animationState);
@@ -84,15 +84,15 @@ void sub_08085308(Entity* this) {
                 break;
             case 3:
                 if (CheckFlags(this->field_0x86.HWORD) == *(u16*)&this->field_0x7a) {
-                    this->field_0xf = 0xff;
+                    this->subtimer = 0xff;
                 } else {
-                    this->field_0xf = 1;
+                    this->subtimer = 1;
                 }
         }
 
-        if (--this->field_0xf == 0) {
+        if (--this->subtimer == 0) {
             this->action = 2;
-            this->field_0xf = 8;
+            this->subtimer = 8;
             this->animationState = (this->animationState + *(u8*)&this->field_0x7c) & 3;
             InitializeAnimation(this, this->animationState);
             sub_0808543C(this);
diff --git a/src/object/rupee.c b/src/object/rupee.c
index 5bf774e2..f511f652 100644
--- a/src/object/rupee.c
+++ b/src/object/rupee.c
@@ -17,10 +17,10 @@ void sub_080869DC(Entity* ent) {
     ent->action = 1;
     ent->spriteSettings.draw = 0;
     ent->hitbox = (Hitbox*)&gUnk_080FD1A8;
-    ent->field_0x3c |= 16;
+    ent->collisionFlags |= 16;
     itemEntity = CreateObject(GROUND_ITEM, ent->type, 0);
     if (itemEntity != NULL) {
-        itemEntity->actionDelay = 10;
+        itemEntity->timer = 10;
         itemEntity->parent = ent;
         ent->child = itemEntity;
         CopyPosition(ent, itemEntity);
diff --git a/src/object/smallIceBlock.c b/src/object/smallIceBlock.c
index e9689baf..6ba2940f 100644
--- a/src/object/smallIceBlock.c
+++ b/src/object/smallIceBlock.c
@@ -60,7 +60,7 @@ void SmallIceBlock_Init(SmallIceBlockEntity* this) {
     super->action = 1;
     super->flags |= 0x80;
     super->updatePriority = 3;
-    super->field_0x3c = 7;
+    super->collisionFlags = 7;
     super->hurtType = 0x48;
     super->hitType = 1;
     super->flags2 = 0x80;
@@ -79,7 +79,7 @@ void SmallIceBlock_Action1(SmallIceBlockEntity* this) {
 
     if (sub_0809963C(this)) {
         super->action = 3;
-        super->actionDelay = 0;
+        super->timer = 0;
         EnqueueSFX(SFX_ICE_BLOCK_MELT);
         SmallIceBlock_Action3(this);
         if (super->type == 0) {
@@ -92,7 +92,7 @@ void SmallIceBlock_Action1(SmallIceBlockEntity* this) {
                 switch (sub_08099618(tileType)) {
                     case 1:
                         super->action = 2;
-                        super->actionDelay = 0x16;
+                        super->timer = 0x16;
                         super->direction = ((tileType - 0x5b) & 3) << 3;
                         super->speed = 0x20;
                         sub_080994B8(this);
@@ -125,20 +125,20 @@ void SmallIceBlock_Action2(SmallIceBlockEntity* this) {
 
 void SmallIceBlock_Action3(SmallIceBlockEntity* this) {
     if (sub_0809963C(this) == 0) {
-        if (super->actionDelay >= 2) {
-            super->actionDelay -= 2;
+        if (super->timer >= 2) {
+            super->timer -= 2;
         } else {
-            super->actionDelay = 0;
+            super->timer = 0;
         }
-        if (super->actionDelay == 0) {
+        if (super->timer == 0) {
             super->action = 1;
             sub_0805EC60(super);
             return;
         }
     } else {
-        super->actionDelay++;
+        super->timer++;
     }
-    SetAffineInfo(super, 0x100, gUnk_08123748[super->actionDelay >> 5], 0);
+    SetAffineInfo(super, 0x100, gUnk_08123748[super->timer >> 5], 0);
     if (super->type == 1) {
         CreateGroundItemWithFlags(super, ITEM_SMALL_KEY, 0, this->unk_86);
         SoundReq(SFX_SECRET);
@@ -147,7 +147,7 @@ void SmallIceBlock_Action3(SmallIceBlockEntity* this) {
         SoundReq(SFX_SECRET);
     }
     super->action = 4;
-    super->actionDelay = 0x3c;
+    super->timer = 0x3c;
     super->flags &= 0x7f;
 }
 
@@ -157,14 +157,14 @@ void SmallIceBlock_Action4(SmallIceBlockEntity* this) {
     s32 x;
     s32 y;
 
-    if (--super->actionDelay == 0) {
+    if (--super->timer == 0) {
         DeleteThisEntity();
     } else {
-        if (super->actionDelay == 0x30) {
+        if (super->timer == 0x30) {
             SetTile(this->unk_6c, this->unk_70, super->collisionLayer);
         }
-        SetAffineInfo(super, 0x100, (0x3c - super->actionDelay) * 0x20 + 0x100, 0);
-        if ((super->actionDelay & 1) != 0) {
+        SetAffineInfo(super, 0x100, (0x3c - super->timer) * 0x20 + 0x100, 0);
+        if ((super->timer & 1) != 0) {
             obj = CreateObject(SPECIAL_FX, 0x11, 0x40);
             if (obj != NULL) {
                 rand = Random();
@@ -209,9 +209,9 @@ bool32 sub_0809953C(SmallIceBlockEntity* this) {
     }
     ProcessMovement2(super);
     sub_0800445C(super);
-    if (super->actionDelay != 0) {
+    if (super->timer != 0) {
         super->speed += 0x10;
-        if (--super->actionDelay == 0) {
+        if (--super->timer == 0) {
             super->speed = 0x200;
         }
     }
@@ -284,7 +284,7 @@ bool32 sub_0809963C(SmallIceBlockEntity* this) {
             }
         }
     }
-    if (super->bitfield == 0x87) {
+    if (super->contactFlags == 0x87) {
         return TRUE;
     }
     return FALSE;
diff --git a/src/object/smoke.c b/src/object/smoke.c
index 4ce9b8c4..a33cf5b3 100644
--- a/src/object/smoke.c
+++ b/src/object/smoke.c
@@ -14,10 +14,10 @@ void sub_0808A40C(Entity* this) {
 
     if (this->action == 0) {
         this->action = 1;
-        this->actionDelay = 0x28;
+        this->timer = 0x28;
     }
-    if (--this->actionDelay == 0) {
-        this->actionDelay = 0x40 - (Random() & 0x1f);
+    if (--this->timer == 0) {
+        this->timer = 0x40 - (Random() & 0x1f);
         ent = CreateObject(SMOKE, 1, 0);
         if (ent != NULL) {
             CopyPosition(this, ent);
diff --git a/src/object/specialFx.c b/src/object/specialFx.c
index dc51b4c4..9f00d303 100644
--- a/src/object/specialFx.c
+++ b/src/object/specialFx.c
@@ -228,20 +228,20 @@ void sub_08084694(SpecialFxObject* this) {
 
 void sub_080846B0(SpecialFxObject* this) {
     s32 tmp;
-    if (super->actionDelay != 0) {
+    if (super->timer != 0) {
         if (super->speed != 0) {
             super->speed -= 0x10;
         }
         LinearMoveUpdate(super);
         sub_080845DC(this);
     } else {
-        super->actionDelay = 1;
+        super->timer = 1;
         if ((super->animationState | 2) == 2) {
             super->direction = 0x1e;
         } else {
             super->direction = 2;
         }
-        if (super->field_0xf != 0) {
+        if (super->subtimer != 0) {
             super->spriteVramOffset++;
             tmp = (super->direction > 0x17 ? -1 : 1);
             super->direction += tmp;
diff --git a/src/object/steam.c b/src/object/steam.c
index eaf2938e..393888b5 100644
--- a/src/object/steam.c
+++ b/src/object/steam.c
@@ -22,8 +22,8 @@ void Steam(Entity* _this) {
         super->action = 1;
         super->spriteSettings.draw = 1;
         super->spriteRendering.alphaBlend = 1;
-        super->actionDelay = 1;
-        super->field_0xf = Random() & 0xf;
+        super->timer = 1;
+        super->subtimer = Random() & 0xf;
         this->unk_0x68 = action;
         super->collisionLayer = 2;
         ResolveCollisionLayer(super);
@@ -49,13 +49,13 @@ void Steam(Entity* _this) {
         }
     }
 
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
-        super->field_0xf = (super->field_0xf + 1) & 0xf;
+    if (--super->timer == 0) {
+        super->timer = 8;
+        super->subtimer = (super->subtimer + 1) & 0xf;
     }
 
-    super->spriteOffsetX = gUnk_08123484[super->field_0xf];
-    super->spriteOffsetY = gUnk_08123484[super->field_0xf] + *ptr;
+    super->spriteOffsetX = gUnk_08123484[super->subtimer];
+    super->spriteOffsetY = gUnk_08123484[super->subtimer] + *ptr;
 }
 
 const u8 gUnk_08123484[] = {
diff --git a/src/object/thoughtBubble.c b/src/object/thoughtBubble.c
index 57ba5cae..0a622628 100644
--- a/src/object/thoughtBubble.c
+++ b/src/object/thoughtBubble.c
@@ -13,8 +13,8 @@ void ThoughtBubble(Entity* this) {
 void ThoughtBubble_Init(Entity* this) {
     this->action = 1;
     this->spriteSettings.draw = 1;
-    if (this->actionDelay == 0) {
-        this->actionDelay = 0x2d;
+    if (this->timer == 0) {
+        this->timer = 0x2d;
     }
     this->spriteOrientation.flipY = 1;
     InitializeAnimation(this, this->type2);
@@ -28,7 +28,7 @@ void ThoughtBubble_Update(Entity* this) {
         this->z.HALF.HI = this->parent->z.HALF.HI;
     }
     if (this->type2 != 2) {
-        if (--this->actionDelay == 0) {
+        if (--this->timer == 0) {
             DeleteThisEntity();
         }
     }
diff --git a/src/object/treeHidingPortal.c b/src/object/treeHidingPortal.c
index c4a0518a..696f469e 100644
--- a/src/object/treeHidingPortal.c
+++ b/src/object/treeHidingPortal.c
@@ -45,15 +45,15 @@ void sub_0809E86C(Entity* this) {
     }
     if (sub_0809E9A0() == 0x54) {
         this->action = 2;
-        this->actionDelay = 0xf;
+        this->timer = 0xf;
         SetPlayerControl(1);
     }
 }
 
 void sub_0809E8BC(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         this->action = 3;
-        this->actionDelay = 0x3c;
+        this->timer = 0x3c;
         this->spriteSettings.draw = 0;
         sub_0809E96C(this);
         sub_0809E918(this);
@@ -61,7 +61,7 @@ void sub_0809E8BC(Entity* this) {
 }
 
 void sub_0809E8EC(Entity* this) {
-    if (--this->actionDelay == 0) {
+    if (--this->timer == 0) {
         SetFlag(this->field_0x86.HWORD);
         SetPlayerControl(0);
         SoundReq(SFX_SECRET_BIG);
diff --git a/src/object/treeThorns.c b/src/object/treeThorns.c
index ffb359a8..32602e48 100644
--- a/src/object/treeThorns.c
+++ b/src/object/treeThorns.c
@@ -18,7 +18,7 @@ void TreeThorns(Entity* this) {
             this->frameIndex = 1;
             layer = &this->collisionLayer;
             *layer = 1;
-            this->field_0x3c = 7;
+            this->collisionFlags = 7;
             this->hurtType = 0x48;
             this->hitType = 0x7a;
             this->flags2 = 1;
diff --git a/src/object/warpPoint.c b/src/object/warpPoint.c
index a5f9e0ec..84949f45 100644
--- a/src/object/warpPoint.c
+++ b/src/object/warpPoint.c
@@ -34,7 +34,7 @@ void WarpPoint(Entity* this) {
 void sub_0808B474(Entity* this) {
     u32 tmp;
     this->action = 1;
-    this->field_0xf = 0;
+    this->subtimer = 0;
     tmp = gUnk_08121380[this->type];
     this->palette.b.b0 = tmp;
     this->spritePriority.b0 = 6;
@@ -51,12 +51,12 @@ void sub_0808B474(Entity* this) {
     if (!sub_0808B7C8(this))
         return;
     this->action = 4;
-    this->field_0xf = 0x60;
+    this->subtimer = 0x60;
     gPlayerEntity.x.HALF.HI = this->x.HALF.HI;
     gPlayerEntity.y.HALF.HI = this->y.HALF.HI;
     gPlayerEntity.animationState = 4;
     EnqueueSFX(SFX_112);
-    RequestPriorityDuration(this, this->field_0xf + 0x10);
+    RequestPriorityDuration(this, this->subtimer + 0x10);
 }
 
 void sub_0808B530(Entity* this) {
@@ -66,66 +66,66 @@ void sub_0808B530(Entity* this) {
             sub_0807CAC8(this->type);
         }
         this->action = 2;
-        this->field_0xf = 60;
+        this->subtimer = 60;
         EnqueueSFX(SFX_112);
     }
 }
 
 void sub_0808B564(Entity* this) {
-    if (!--this->field_0xf) {
+    if (!--this->subtimer) {
         this->action = 3;
     } else {
-        this->spriteSettings.draw = this->field_0xf & 2 ? 0 : 1;
+        this->spriteSettings.draw = this->subtimer & 2 ? 0 : 1;
     }
 }
 
 void sub_0808B590(Entity* this) {
     GetNextFrame(this);
     if (sub_0808B7C8(this)) {
-        if (this->actionDelay)
+        if (this->timer)
             return;
         this->action = 5;
-        this->field_0xf = 0x60;
+        this->subtimer = 0x60;
         PutAwayItems();
         gPlayerEntity.x.HALF.HI = this->x.HALF.HI;
         gPlayerEntity.y.HALF.HI = this->y.HALF.HI;
         gPlayerEntity.animationState = 4;
         gPlayerEntity.flags &= ~ENT_COLLIDE;
-        RequestPriorityDuration(this, this->field_0xf + 0x10);
+        RequestPriorityDuration(this, this->subtimer + 0x10);
         SoundReq(SFX_113);
     } else {
-        this->actionDelay = 0;
+        this->timer = 0;
     }
 }
 
 void sub_0808B5E8(Entity* this) {
     u32 tmp;
-    if (!--this->field_0xf) {
+    if (!--this->subtimer) {
         this->action = 3;
-        this->actionDelay = 1;
+        this->timer = 1;
         gPlayerEntity.animationState = 4;
         gPlayerEntity.direction = DirectionSouth;
         return;
     }
     tmp = 0;
-    switch (this->field_0xf & 0x60) {
+    switch (this->subtimer & 0x60) {
         case 0x40:
-            if (this->field_0xf == 0x58) {
+            if (this->subtimer == 0x58) {
                 SoundReq(SFX_114);
             }
-            if (!(this->field_0xf & 1)) {
+            if (!(this->subtimer & 1)) {
                 tmp = 1;
             }
             break;
         case 0x20:
-            if (!(this->field_0xf & 3)) {
+            if (!(this->subtimer & 3)) {
                 tmp = 1;
             }
             break;
         case 0:
-            if (!(this->field_0xf & 7)) {
+            if (!(this->subtimer & 7)) {
                 if (gPlayerEntity.animationState == 4) {
-                    if (this->field_0xf > 0x18) {
+                    if (this->subtimer > 0x18) {
                         tmp = 1;
                     }
                 } else {
@@ -142,7 +142,7 @@ void sub_0808B5E8(Entity* this) {
 
 void sub_0808B684(Entity* this) {
     u32 tmp;
-    if (!--this->field_0xf) {
+    if (!--this->subtimer) {
         gRoomTransition.transitioningOut = 1;
         gRoomTransition.type = TRANSITION_DEFAULT;
         gRoomTransition.player_status.area_next = this->field_0x7c.BYTES.byte0;
@@ -158,20 +158,20 @@ void sub_0808B684(Entity* this) {
         return;
     }
     tmp = 0;
-    switch (this->field_0xf & 0x60) {
+    switch (this->subtimer & 0x60) {
         case 0x40:
-            if (!(this->field_0xf & 7)) {
+            if (!(this->subtimer & 7)) {
                 tmp = 1;
             }
             break;
         case 0x20:
-            if (!(this->field_0xf & 3)) {
+            if (!(this->subtimer & 3)) {
                 tmp = 1;
             }
             break;
         case 0:
-            if (this->field_0xf > 0x10) {
-                if (!(this->field_0xf & 1)) {
+            if (this->subtimer > 0x10) {
+                if (!(this->subtimer & 1)) {
                     tmp = 1;
                 }
             } else {
@@ -206,7 +206,7 @@ void sub_0808B73C(Entity* this) {
 u32 sub_0808B7C8(Entity* this) {
     if (!(gPlayerState.flags & PL_MINISH) && gPlayerState.framestate != PL_STATE_DIE && gPlayerEntity.health != 0 &&
         sub_08079F8C() && EntityInRectRadius(this, &gPlayerEntity, 5, 5) && gPlayerEntity.z.HALF.HI == 0) {
-        if (this->actionDelay == 0 && gPlayerEntity.action == PLAYER_08072C9C) {
+        if (this->timer == 0 && gPlayerEntity.action == PLAYER_08072C9C) {
             ResetPlayerAnimationAndAction();
         }
         return 1;
@@ -217,7 +217,7 @@ u32 sub_0808B7C8(Entity* this) {
 void sub_0808B830(Entity* this) {
     Entity* tmp;
     this->action = 3;
-    this->actionDelay = 0;
+    this->timer = 0;
     this->spriteSettings.draw = 1;
     tmp = CreateObject(WARP_POINT, 0, 0);
     if (tmp) {
diff --git a/src/object/waterfallOpening.c b/src/object/waterfallOpening.c
index 34216c0d..b8f5d650 100644
--- a/src/object/waterfallOpening.c
+++ b/src/object/waterfallOpening.c
@@ -18,8 +18,8 @@ void sub_080A00B0(WaterfallOpeningEntity*);
 void WaterfallOpening(Entity* this) {
     if (this->action == 0) {
         this->action = 1;
-        this->actionDelay = 8;
-        this->field_0xf = 0;
+        this->timer = 8;
+        this->subtimer = 0;
         this->spriteRendering.b3 = 3;
         this->spritePriority.b0 = 7;
         this->frameIndex = WaterfallOpening_FrameIndices[this->type];
@@ -32,8 +32,8 @@ void WaterfallOpening(Entity* this) {
                 case 0:
                     if (--((WaterfallOpeningEntity*)this)->unk68 == 0) {
                         ((WaterfallOpeningEntity*)this)->unk68 = 0x20;
-                        this->actionDelay = 1;
-                        this->field_0xf = 0;
+                        this->timer = 1;
+                        this->subtimer = 0;
                         this->subAction = 1;
                         this->type = 1;
                         UnloadGFXSlots(this);
@@ -46,7 +46,7 @@ void WaterfallOpening(Entity* this) {
                 case 1:
                     if (--((WaterfallOpeningEntity*)this)->unk68 == 0) {
                         ((WaterfallOpeningEntity*)this)->unk68 = 0x2d;
-                        this->actionDelay = 1;
+                        this->timer = 1;
                         this->subAction = 2;
                         this->type = 2;
                         UnloadGFXSlots(this);
@@ -80,9 +80,9 @@ void WaterfallOpening(Entity* this) {
 }
 
 void sub_080A00B0(WaterfallOpeningEntity* this) {
-    if (--super->actionDelay == 0) {
-        super->actionDelay = 8;
-        super->frameIndex = super->field_0xf + WaterfallOpening_FrameIndices[super->type];
-        super->field_0xf = (super->field_0xf + 1) & 3;
+    if (--super->timer == 0) {
+        super->timer = 8;
+        super->frameIndex = super->subtimer + WaterfallOpening_FrameIndices[super->type];
+        super->subtimer = (super->subtimer + 1) & 3;
     }
 }
diff --git a/src/object/whirlwind.c b/src/object/whirlwind.c
index 7a843ab1..6017bbe7 100644
--- a/src/object/whirlwind.c
+++ b/src/object/whirlwind.c
@@ -34,7 +34,7 @@ void Whirlwind_Init(Entity* this) {
     this->hitbox = (Hitbox*)&gUnk_080FD320;
     this->flags |= ENT_COLLIDE;
     this->hitType = 1;
-    this->field_0x3c = 0x47;
+    this->collisionFlags = 0x47;
     this->hurtType = 0x44;
     this->flags2 = 0x80;
     this->spriteOrientation.flipY = 1;
diff --git a/src/object/windTribeTeleporter.c b/src/object/windTribeTeleporter.c
index 7dd0e600..c76a6190 100644
--- a/src/object/windTribeTeleporter.c
+++ b/src/object/windTribeTeleporter.c
@@ -75,19 +75,19 @@ void WindTribeTeleporter_Action1(WindTribeTeleporterEntity* this) {
 void WindTribeTeleporter_Action2(WindTribeTeleporterEntity* this) {
     switch (super->subAction) {
         case 0:
-            super->actionDelay = 0x1e;
+            super->timer = 0x1e;
             super->subAction++;
             break;
         case 1:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->subAction++;
-                super->actionDelay = 0x1e;
+                super->timer = 0x1e;
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->subAction++;
-                super->actionDelay = 0x1e;
+                super->timer = 0x1e;
                 SoundReq(SFX_113);
             } else {
                 if ((gRoomTransition.frameCount & 7) == 0) {
@@ -96,9 +96,9 @@ void WindTribeTeleporter_Action2(WindTribeTeleporterEntity* this) {
             }
             break;
         case 3:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->subAction++;
-                super->actionDelay = 0x1e;
+                super->timer = 0x1e;
             } else {
                 if ((gRoomTransition.frameCount & 3) == 0) {
                     gPlayerEntity.animationState = (gPlayerEntity.animationState + 2) & 6;
@@ -106,7 +106,7 @@ void WindTribeTeleporter_Action2(WindTribeTeleporterEntity* this) {
             }
             break;
         default:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
 #if defined(DEMO_JP) || defined(JP) || defined(EU)
 #ifdef DEMO_JP
                 SetLocalFlag(0xfc);
@@ -131,23 +131,23 @@ void WindTribeTeleporter_Action3(WindTribeTeleporterEntity* this) {
     switch (super->subAction) {
         case 0:
             super->subAction = 1;
-            super->actionDelay = 0x1e;
+            super->timer = 0x1e;
             SoundReq(SFX_114);
             break;
         case 1:
-            if (--super->actionDelay != 0) {
+            if (--super->timer != 0) {
                 if ((gRoomTransition.frameCount & 1) == 0) {
                     gPlayerEntity.animationState = (gPlayerEntity.animationState + 2) & 6;
                 }
             } else {
                 super->subAction++;
-                super->actionDelay = 0x1e;
+                super->timer = 0x1e;
             }
             break;
         case 2:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->subAction++;
-                super->actionDelay = 0x1e;
+                super->timer = 0x1e;
             } else {
                 if ((gRoomTransition.frameCount & 3) == 0) {
                     gPlayerEntity.animationState = (gPlayerEntity.animationState + 2) & 6;
@@ -155,7 +155,7 @@ void WindTribeTeleporter_Action3(WindTribeTeleporterEntity* this) {
             }
             break;
         case 3:
-            if (--super->actionDelay == 0) {
+            if (--super->timer == 0) {
                 super->subAction++;
             } else {
                 if ((gRoomTransition.frameCount & 7) == 0) {