diff --git a/src/overlays/actors/ovl_Demo_Go/z_demo_go.c b/src/overlays/actors/ovl_Demo_Go/z_demo_go.c
index d0b335ed32..0ece8aadae 100644
--- a/src/overlays/actors/ovl_Demo_Go/z_demo_go.c
+++ b/src/overlays/actors/ovl_Demo_Go/z_demo_go.c
@@ -320,7 +320,7 @@ void DemoGo_Init(DemoGo* this, GlobalContext* globalCtx) {
     AnimationHeader* animation = &D_06004930;
 
     ActorShape_Init(&this->actor.shape, 0.0f, ActorShadow_DrawFunc_Circle, 30.0f);
-    SkelAnime_InitSV(globalCtx, &this->skelAnime, &D_0600FEF0, 0, 0, 0, 0);
+    SkelAnime_InitSV(globalCtx, &this->skelAnime, &D_0600FEF0, NULL, NULL, NULL, 0);
     SkelAnime_ChangeAnimation(&this->skelAnime, animation, 1.0f, 0.0f, SkelAnime_GetFrameCount(&animation->genericHeader), 2, 0.0f);
     this->action = 0;
 }
diff --git a/src/overlays/actors/ovl_En_Bird/z_en_bird.c b/src/overlays/actors/ovl_En_Bird/z_en_bird.c
index bacd4051fe..c3e30bb5cc 100644
--- a/src/overlays/actors/ovl_En_Bird/z_en_bird.c
+++ b/src/overlays/actors/ovl_En_Bird/z_en_bird.c
@@ -57,8 +57,8 @@ static InitChainEntry initChain[] = {
     ICHAIN_F32(unk_4C, 5600, ICHAIN_STOP),
 };
 
-extern u32 D_0600006C;
-extern u32 D_06002190;
+extern AnimationHeader D_0600006C;
+extern SkeletonHeader D_06002190;
 
 void EnBird_SetNewUpdate(EnBird* this, ActorFunc newUpdateFunc) {
     this->updateFunc = newUpdateFunc;
diff --git a/src/overlays/actors/ovl_En_Dog/z_en_dog.c b/src/overlays/actors/ovl_En_Dog/z_en_dog.c
index 782b572a60..396a07b319 100644
--- a/src/overlays/actors/ovl_En_Dog/z_en_dog.c
+++ b/src/overlays/actors/ovl_En_Dog/z_en_dog.c
@@ -79,7 +79,7 @@ typedef enum {
     /* 0x06 */ DOG_BOW_2,
 } DogBehavior;
 
-extern UNK_PTR D_06007290;
+extern SkeletonHeader D_06007290;
 extern AnimationHeader D_06001368;
 extern AnimationHeader D_06000D78;
 extern AnimationHeader D_06000278;
@@ -242,7 +242,7 @@ static void EnDog_Init(EnDog* this, GlobalContext* globalCtx) {
     collider = &this->collider;
     ActorShape_Init(&this->actor.shape, 0.0f, ActorShadow_DrawFunc_Circle, 24.0f);
     skelAnime = &this->skelAnime;
-    SkelAnime_InitSV(globalCtx, skelAnime, &D_06007290, 0, &this->unk_1F4, &this->unk_242, 13);
+    SkelAnime_InitSV(globalCtx, skelAnime, &D_06007290, NULL, &this->unk_1F4, &this->unk_242, 13);
     func_80034EC0(skelAnime, animations, 0);
 
     if ((this->actor.params & 0x8000) == 0) {
diff --git a/src/overlays/actors/ovl_En_Ms/z_en_ms.c b/src/overlays/actors/ovl_En_Ms/z_en_ms.c
index 30a64142a3..6e08c53b70 100644
--- a/src/overlays/actors/ovl_En_Ms/z_en_ms.c
+++ b/src/overlays/actors/ovl_En_Ms/z_en_ms.c
@@ -63,8 +63,8 @@ static InitChainEntry initChain[] = {
     ICHAIN_F32(unk_4C, 500, ICHAIN_STOP),
 };
 
-extern D_060005EC;
-extern D_06003DC0;
+extern AnimationHeader D_060005EC;
+extern SkeletonHeader D_06003DC0;
 
 static void EnMs_SetOfferText(EnMs* this, GlobalContext* globalCtx) {
     this->actor.textId = Text_GetFaceReaction(globalCtx, 0x1B);
diff --git a/src/overlays/actors/ovl_En_Tk/z_en_tk.c b/src/overlays/actors/ovl_En_Tk/z_en_tk.c
index d16780c51f..6f69317a0d 100644
--- a/src/overlays/actors/ovl_En_Tk/z_en_tk.c
+++ b/src/overlays/actors/ovl_En_Tk/z_en_tk.c
@@ -508,7 +508,7 @@ void EnTk_Init(EnTk* this, GlobalContext* globalCtx) {
 
     ActorShape_Init(&thisAgain->actor.shape, 0, ActorShadow_DrawFunc_Circle, 24.f);
 
-    SkelAnime_InitSV(globalCtx, &thisAgain->skelAnim, &D_0600BE40, 0, thisAgain->hz_22A, thisAgain->hz_296, 18);
+    SkelAnime_InitSV(globalCtx, &thisAgain->skelAnim, &D_0600BE40, NULL, thisAgain->hz_22A, thisAgain->hz_296, 18);
     SkelAnime_ChangeAnimation(&thisAgain->skelAnim, anim, 1.f, 0.f, SkelAnime_GetFrameCount(&D_06002F84.genericHeader), 0,
                               0.f);