diff --git a/assets/xml/objects/object_hariko.xml b/assets/xml/objects/object_hariko.xml
index e0f139b883..5cb2d83288 100644
--- a/assets/xml/objects/object_hariko.xml
+++ b/assets/xml/objects/object_hariko.xml
@@ -1,8 +1,9 @@
 <Root>
+    <!-- Object for the Clock Town cow statues -->
     <File Name="object_hariko" Segment="6">
-        <DList Name="object_hariko_DL_000080" Offset="0x80" />
-        <DList Name="object_hariko_DL_000110" Offset="0x110" />
-        <Texture Name="object_hariko_Tex_0001A0" OutName="tex_0001A0" Format="rgba16" Width="8" Height="8" Offset="0x1A0" />
-        <Texture Name="object_hariko_Tex_000220" OutName="tex_000220" Format="rgba16" Width="16" Height="16" Offset="0x220" />
+        <DList Name="gHarikoBodyDL" Offset="0x80" />
+        <DList Name="gHarikoFaceDL" Offset="0x110" />
+        <Texture Name="gHarikoBodyTex" OutName="hariko_body" Format="rgba16" Width="8" Height="8" Offset="0x1A0" />
+        <Texture Name="gHarikoFaceTex" OutName="hariko_face" Format="rgba16" Width="16" Height="16" Offset="0x220" />
     </File>
 </Root>
diff --git a/spec b/spec
index b24816b294..c99b6bfa52 100644
--- a/spec
+++ b/spec
@@ -4092,8 +4092,7 @@ beginseg
     name "ovl_Obj_Hariko"
     compress
     include "build/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.o"
-    include "build/data/ovl_Obj_Hariko/ovl_Obj_Hariko.data.o"
-    include "build/data/ovl_Obj_Hariko/ovl_Obj_Hariko.reloc.o"
+    include "build/src/overlays/actors/ovl_Obj_Hariko/ovl_Obj_Hariko_reloc.o"
 endseg
 
 beginseg
diff --git a/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.c b/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.c
index 0caec6ea4f..f07b9c6d4f 100644
--- a/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.c
+++ b/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.c
@@ -5,6 +5,7 @@
  */
 
 #include "z_obj_hariko.h"
+#include "assets/objects/object_hariko/object_hariko.h"
 
 #define FLAGS (ACTOR_FLAG_20 | ACTOR_FLAG_2000000)
 
@@ -15,10 +16,12 @@ void ObjHariko_Destroy(Actor* thisx, GlobalContext* globalCtx);
 void ObjHariko_Update(Actor* thisx, GlobalContext* globalCtx);
 void ObjHariko_Draw(Actor* thisx, GlobalContext* globalCtx);
 
-void func_80B66A90(ObjHariko* this, GlobalContext* globalCtx);
-void func_80B66AC4(ObjHariko* this, GlobalContext* globalCtx);
+void ObjHariko_SetupWait(ObjHariko* this);
+void ObjHariko_Wait(ObjHariko* this, GlobalContext* globalCtx);
+void ObjHariko_SetupBobHead(ObjHariko* this);
+void ObjHariko_BobHead(ObjHariko* this, GlobalContext* globalCtx);
+void ObjHariko_CheckForQuakes(ObjHariko* this);
 
-#if 0
 const ActorInit Obj_Hariko_InitVars = {
     ACTOR_OBJ_HARIKO,
     ACTORCAT_PROP,
@@ -31,24 +34,71 @@ const ActorInit Obj_Hariko_InitVars = {
     (ActorFunc)ObjHariko_Draw,
 };
 
-#endif
+void ObjHariko_Init(Actor* thisx, GlobalContext* globalCtx) {
+    ObjHariko* this = THIS;
 
-extern UNK_TYPE D_06000080;
+    Actor_SetScale(&this->actor, 0.1f);
+    this->headRotation.x = 0;
+    this->headRotation.y = 0;
+    this->headRotation.z = 0;
+    this->headOffset = 0;
+    this->bobbleStep = 0.0f;
+    ObjHariko_SetupWait(this);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/ObjHariko_Init.s")
+void ObjHariko_Destroy(Actor* thisx, GlobalContext* globalCtx) {
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/ObjHariko_Destroy.s")
+void ObjHariko_SetupWait(ObjHariko* this) {
+    this->actionFunc = ObjHariko_Wait;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/func_80B66A7C.s")
+void ObjHariko_Wait(ObjHariko* this, GlobalContext* globalCtx) {
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/func_80B66A90.s")
+void ObjHariko_SetupBobHead(ObjHariko* this) {
+    this->bobbleStep = 2730.0f;
+    this->unk154 = 0;
+    this->actionFunc = ObjHariko_BobHead;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/func_80B66AA0.s")
+void ObjHariko_BobHead(ObjHariko* this, GlobalContext* globalCtx) {
+    this->headOffset += 0x1555;
+    this->headRotation.x = Math_SinS(this->headOffset) * this->bobbleStep;
+    this->headRotation.y = Math_CosS(this->headOffset) * this->bobbleStep;
+    Math_SmoothStepToF(&this->bobbleStep, 0, 0.5f, 18.0f, 18.0f);
+    if (this->bobbleStep < 182.0f) {
+        ObjHariko_SetupWait(this);
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/func_80B66AC4.s")
+void ObjHariko_CheckForQuakes(ObjHariko* this) {
+    if (Quake_NumActiveQuakes() != 0) {
+        ObjHariko_SetupBobHead(this);
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/func_80B66B78.s")
+void ObjHariko_Update(Actor* thisx, GlobalContext* globalCtx) {
+    ObjHariko* this = THIS;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/ObjHariko_Update.s")
+    this->actionFunc(this, globalCtx);
+    ObjHariko_CheckForQuakes(this);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Obj_Hariko/ObjHariko_Draw.s")
+void ObjHariko_Draw(Actor* thisx, GlobalContext* globalCtx) {
+    ObjHariko* this = THIS;
+
+    OPEN_DISPS(globalCtx->state.gfxCtx);
+    func_8012C28C(globalCtx->state.gfxCtx);
+
+    Matrix_StatePush();
+    Matrix_InsertXRotation_s(this->headRotation.x, MTXMODE_APPLY);
+    Matrix_RotateY(this->headRotation.y, MTXMODE_APPLY);
+
+    gSPMatrix(POLY_OPA_DISP++, Matrix_NewMtx(globalCtx->state.gfxCtx), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+    gSPDisplayList(POLY_OPA_DISP++, gHarikoBodyDL);
+    gSPDisplayList(POLY_OPA_DISP++, gHarikoFaceDL);
+
+    Matrix_StatePop();
+    CLOSE_DISPS(globalCtx->state.gfxCtx);
+}
diff --git a/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.h b/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.h
index d9ac284bdc..12d4fe5052 100644
--- a/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.h
+++ b/src/overlays/actors/ovl_Obj_Hariko/z_obj_hariko.h
@@ -10,7 +10,10 @@ typedef void (*ObjHarikoActionFunc)(struct ObjHariko*, GlobalContext*);
 typedef struct ObjHariko {
     /* 0x0000 */ Actor actor;
     /* 0x0144 */ ObjHarikoActionFunc actionFunc;
-    /* 0x0148 */ char unk_148[0x10];
+    /* 0x0148 */ f32 bobbleStep;
+    /* 0x014C */ Vec3s headRotation;
+    /* 0x0152 */ s16 headOffset;
+    /* 0x0154 */ s16 unk154; // Set but not used
 } ObjHariko; // size = 0x158
 
 extern const ActorInit Obj_Hariko_InitVars;
diff --git a/undefined_syms.txt b/undefined_syms.txt
index 679f6ca1ba..d426e04819 100644
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -1652,11 +1652,6 @@ D_06000BA0 = 0x06000BA0;
 D_06003FD0 = 0x06003FD0;
 D_06004160 = 0x06004160;
 
-// ovl_Obj_Hariko
-
-D_06000080 = 0x06000080;
-D_06000110 = 0x06000110;
-
 // ovl_Obj_Jgame_Light
 
 D_060003A0 = 0x060003A0;