diff --git a/include/functions.h b/include/functions.h
index 8f5d13efb..29c7d3c06 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -3908,8 +3908,8 @@ void func_8019FAD8(Vec3f* param_1, u16 param_2, f32 param_3);
 // void func_801A1904(void);
 // void func_801A1A10(void);
 // void func_801A1A8C(UNK_TYPE1 param_1, UNK_TYPE1 param_2, UNK_TYPE1 param_3, UNK_TYPE1 param_4, UNK_TYPE4 param_5, UNK_TYPE4 param_6);
-// void func_801A1D44(void);
-// void func_801A1DB8(void);
+void func_801A1D44(Vec3f* vec, UNK_TYPE arg1, f32 arg2);
+void func_801A1DB8(Vec3f* vec, UNK_TYPE arg1, f32 arg2);
 // void func_801A1E0C(void);
 void func_801A1F00(s32 arg0, s32 arg1);
 void func_801A1F88(void);
@@ -3923,7 +3923,7 @@ void func_801A246C(u8 param_1, u8 param_2);
 // void func_801A2778(void);
 // void func_801A27E8(void);
 // void func_801A281C(void);
-// void func_801A29D4(void);
+void func_801A29D4(UNK_TYPE arg0, f32 arg1, UNK_TYPE arg2);
 // void func_801A2BB8(void);
 // void func_801A2C20(void);
 // void func_801A2C44(void);
@@ -3946,7 +3946,7 @@ u8 func_801A39F8(void);
 // void func_801A3A7C(void);
 // void func_801A3AC0(void);
 // void func_801A3AEC(void);
-// void func_801A3B48(void);
+void func_801A3B48(UNK_TYPE arg0);
 // void func_801A3B90(void);
 void func_801A3CD8(s8 param_1);
 // void func_801A3CF4(void);
diff --git a/include/z64item.h b/include/z64item.h
index 3d8c96340..d204b8073 100644
--- a/include/z64item.h
+++ b/include/z64item.h
@@ -32,6 +32,7 @@ typedef enum {
     /* 0x16 */ ITEM_FAIRY,
     /* 0x38 */ ITEM_MASK_ALL_NIGHT = 0x38,
     /* 0x3B */ ITEM_MASK_GARO = 0x3B,
+    /* 0x46 */ ITEM_MASK_BREMEN = 0x46,
     /* 0x4D */ ITEM_SWORD_KOKIRI = 0x4D,
     /* 0x4E */ ITEM_SWORD_RAZOR,
     /* 0x4F */ ITEM_SWORD_GILDED,
@@ -90,6 +91,7 @@ typedef enum {
     /* 0x5D */ GI_POTION_BLUE,
     /* 0x5E */ GI_FAIRY,
     /* 0x7E */ GI_MASK_ALL_NIGHT = 0x7E,
+    /* 0x8C */ GI_MASK_BREMEN = 0x8C,
     /* 0x9B */ GI_SWORD_GREAT_FAIRY = 0x9B,
     /* 0x9C */ GI_SWORD_KOKIRI,
     /* 0x9D */ GI_SWORD_RAZOR,
diff --git a/linker_scripts/code_script.txt b/linker_scripts/code_script.txt
index b0e931bfe..f92cefd08 100644
--- a/linker_scripts/code_script.txt
+++ b/linker_scripts/code_script.txt
@@ -7937,9 +7937,9 @@ SECTIONS
     ovl_En_Guruguru : AT(RomLocation)
     {
         build/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.o(.text)
-        build/asm/overlays/ovl_En_Guruguru_data.o(.data)
+        build/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.o(.data)
         build/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.o(.rodata)
-        build/asm/overlays/ovl_En_Guruguru_rodata.o(.rodata)
+        build/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru_overlay.o(.ovl)
     }
     SegmentEnd = .;
     SegmentSize = SegmentEnd - SegmentStart;
diff --git a/linker_scripts/object_script.txt b/linker_scripts/object_script.txt
index 28d90d970..f2a18694e 100644
--- a/linker_scripts/object_script.txt
+++ b/linker_scripts/object_script.txt
@@ -291,6 +291,15 @@ object_ginko_floorsmacking_anim  = 0x060008C0;
 object_ginko_amazed_anim         = 0x06004A7C;
 object_ginko_advertising_anim    = 0x06000AC4;
 
+/* z_en_guruguru */
+D_06006C90 = 0x06006C90;
+D_06000B04 = 0x06000B04;
+D_0600057C = 0x0600057C;
+D_06005F20 = 0x06005F20;
+D_06006320 = 0x06006320;
+D_06006720 = 0x06006720;
+D_06006920 = 0x06006920;
+
 /* z_en_in */
 D_06014EA8 = 0x06014EA8;
 D_06015E38 = 0x06015E38;
diff --git a/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.c b/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.c
index 649f0ff73..45e79ce33 100644
--- a/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.c
+++ b/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.c
@@ -1,3 +1,9 @@
+/*
+ * File: z_en_guruguru.c
+ * Overlay: ovl_En_Guruguru
+ * Description: Guru Guru
+ */
+
 #include "z_en_guruguru.h"
 
 #define FLAGS 0x00000019
@@ -9,7 +15,25 @@ void EnGuruguru_Destroy(Actor* thisx, GlobalContext* globalCtx);
 void EnGuruguru_Update(Actor* thisx, GlobalContext* globalCtx);
 void EnGuruguru_Draw(Actor* thisx, GlobalContext* globalCtx);
 
-/*
+void EnGuruguru_DoNothing(EnGuruguru* this, GlobalContext* globalCtx);
+void func_80BC6E10(EnGuruguru* this);
+void func_80BC6F14(EnGuruguru* this, GlobalContext* globalCtx);
+void func_80BC701C(EnGuruguru* this, GlobalContext* globalCtx);
+void func_80BC7068(EnGuruguru* this, GlobalContext* globalCtx);
+void func_80BC73F4(EnGuruguru* this);
+void func_80BC7440(EnGuruguru* this, GlobalContext* globalCtx);
+void func_80BC7520(EnGuruguru* this, GlobalContext* globalCtx);
+
+extern FlexSkeletonHeader D_06006C90;
+extern ColliderCylinderInit D_80BC79A0;
+extern AnimationHeader D_06000B04;
+extern AnimationHeader D_0600057C;
+
+extern u64 D_06005F20[];
+extern u64 D_06006320[];
+extern u64 D_06006720[];
+extern u64 D_06006920[];
+
 const ActorInit En_Guruguru_InitVars = {
     ACTOR_EN_GURUGURU,
     ACTORCAT_NPC,
@@ -21,32 +45,356 @@ const ActorInit En_Guruguru_InitVars = {
     (ActorFunc)EnGuruguru_Update,
     (ActorFunc)EnGuruguru_Draw,
 };
-*/
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/EnGuruguru_Init.asm")
+static u16 textIDs[] = { 0x292A, 0x292B, 0x292C, 0x292D, 0x292E, 0x292F, 0x2930, 0x2931,
+                  0x2932, 0x2933, 0x2934, 0x2935, 0x2936, 0x294D, 0x294E };
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/EnGuruguru_Destroy.asm")
+static ColliderCylinderInit sCylinderInit = {
+    {
+        COLTYPE_NONE,
+        AT_NONE,
+        AC_NONE,
+        OC1_ON | OC1_TYPE_ALL,
+        OC2_TYPE_2,
+        COLSHAPE_CYLINDER,
+    },
+    {
+        ELEMTYPE_UNK0,
+        { 0x00000000, 0x00, 0x00 },
+        { 0xF7CFFFFF, 0x00, 0x00 },
+        TOUCH_NONE | TOUCH_SFX_NORMAL,
+        BUMP_NONE,
+        OCELEM_ON,
+    },
+    { 15, 20, 0, { 0, 0, 0 } },
+};
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC6D64.asm")
+static AnimationHeader* D_80BC79CC[] = { &D_06000B04, &D_0600057C };
+static u8 D_80BC79D4[] = { 0 };
+static f32 D_80BC79D8[] = { 1.0f, 1.0f };
+static void* sEyeTextures[] = { D_06005F20, D_06006320 };
+static void* sMouthTextures[] = { D_06006720, D_06006920 };
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC6E00.asm")
+void EnGuruguru_Init(Actor* thisx, GlobalContext* globalCtx) {
+    EnGuruguru* this = THIS;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC6E10.asm")
+    this->actor.colChkInfo.mass = MASS_IMMOVABLE;
+    ActorShape_Init(&this->actor.shape, 0.0f, func_800B3FC0, 19.0f);
+    SkelAnime_InitSV(globalCtx, &this->skelAnime, &D_06006C90, &D_06000B04, this->jointTable, this->morphTable,
+                     16);
+    this->actor.targetMode = 0;
+    if (this->actor.params != 2) {
+        Collider_InitAndSetCylinder(globalCtx, &this->collider, &this->actor, &sCylinderInit);
+    }
+    if (!gSaveContext.isNight) {
+        if (this->actor.params == 0) {
+            func_80BC6E10(this);
+        } else if (this->actor.params == 2) {
+            this->actor.flags |= 0x8000000;
+            this->actor.draw = NULL;
+            this->actor.flags &= ~1;
+            this->actionFunc = EnGuruguru_DoNothing;
+        } else {
+            Actor_MarkForDeath(&this->actor);
+        }
+    } else if (this->actor.params == 1) {
+        func_80BC6E10(this);
+    } else {
+        Actor_MarkForDeath(&this->actor);
+    }
+}
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC6F14.asm")
+void EnGuruguru_Destroy(Actor* thisx, GlobalContext* globalCtx) {
+    EnGuruguru* this = THIS;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC701C.asm")
+    if (this->actor.params != 2) {
+        Collider_DestroyCylinder(globalCtx, &this->collider);
+    }
+}
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC7068.asm")
+void EnGuruguru_ChangeAnimation(EnGuruguru* this, s32 arg1) {
+    this->frameCount = SkelAnime_GetFrameCount(&D_80BC79CC[arg1]->common);
+    SkelAnime_ChangeAnim(&this->skelAnime, D_80BC79CC[arg1], D_80BC79D8[arg1], 0.0f, this->frameCount, D_80BC79D4[arg1],
+                         -4.0f);
+}
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC73F4.asm")
+void EnGuruguru_DoNothing(EnGuruguru* this, GlobalContext* globalCtx) {
+}
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC7440.asm")
+void func_80BC6E10(EnGuruguru* this) {
+    EnGuruguru_ChangeAnimation(this, 0);
+    this->textIdIndex = 0;
+    this->unk270 = 0;
+    if (this->actor.params == 0) {
+        if (gSaveContext.weekEventReg[38] & 0x10) {
+            this->textIdIndex = 1;
+        }
+    } else if (gSaveContext.weekEventReg[38] & 0x40) {
+        this->textIdIndex = 2;
+    } else {
+        this->textIdIndex = 3;
+        this->unk270 = 1;
+    }
+    this->headZRotTarget = 0;
+    this->unk268 = 1;
+    this->actor.textId = textIDs[this->textIdIndex];
+    if ((this->textIdIndex == 0 || this->textIdIndex == 1) && (gSaveContext.weekEventReg[77] & 4)) {
+        if (!(gSaveContext.weekEventReg[88] & 4)) {
+            this->actor.textId = 0x295F;
+        } else {
+            this->actor.textId = 0x2960;
+        }
+    }
+    this->unk272 = 0;
+    this->actionFunc = func_80BC6F14;
+}
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC7520.asm")
+void func_80BC6F14(EnGuruguru* this, GlobalContext* globalCtx) {
+    s16 yaw;
+    s16 yawTemp;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/EnGuruguru_Update.asm")
+    SkelAnime_FrameUpdateMatrix(&this->skelAnime);
+    if (this->unk270 != 0) {
+        Player* player = PLAYER;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/func_80BC77EC.asm")
+        this->textIdIndex = 3;
+        if (player->transformation == PLAYER_FORM_DEKU) {
+            this->textIdIndex = 13;
+            if (gSaveContext.weekEventReg[79] & 4) {
+                this->textIdIndex = 14;
+            }
+        }
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_En_Guruguru_0x80BC6BF0/EnGuruguru_Draw.asm")
+        this->actor.textId = textIDs[this->textIdIndex];
+    }
+
+    yawTemp = this->actor.yawTowardsPlayer - this->actor.world.rot.y;
+    yaw = ABS_ALT(yawTemp);
+
+    if (func_800B84D0(&this->actor, globalCtx)) {
+        func_80BC701C(this, globalCtx);
+    } else if (yaw <= 0x2890) {
+        func_800B8614(&this->actor, globalCtx, 60.0f);
+    }
+}
+
+void func_80BC701C(EnGuruguru* this, GlobalContext* globalCtx) {
+    Player* player = PLAYER;
+
+    if ((this->unk268 != 0) &&
+        (player->transformation == PLAYER_FORM_HUMAN || player->transformation == PLAYER_FORM_DEKU)) {
+        this->headZRotTarget = 5000;
+    }
+
+    this->unk266 = 1;
+    this->unk272 = 1;
+    this->actionFunc = func_80BC7068;
+}
+
+void func_80BC7068(EnGuruguru* this, GlobalContext* globalCtx) {
+    Player* player = PLAYER;
+
+    if (this->unk268 != 0) {
+        SkelAnime_FrameUpdateMatrix(&this->skelAnime);
+    } else if (this->unusedTimer == 0) {
+        this->unusedTimer = 6;
+        if (func_80152498(&globalCtx->msgCtx) != 5) {
+            if (this->unk266 == 0) {
+                if (this->headZRotTarget != 0) {
+                    this->headZRotTarget = 0;
+                } else {
+                    this->headZRotTarget = 5000;
+                }
+            }
+        } else {
+            if ((player->transformation == PLAYER_FORM_HUMAN) || (player->transformation == PLAYER_FORM_DEKU)) {
+                this->headZRotTarget = 5000;
+            } else {
+                this->headZRotTarget = 0;
+            }
+        }
+    }
+    if ((func_80152498(&globalCtx->msgCtx) == 5) && (func_80147624(globalCtx))) {
+        func_801477B4(globalCtx);
+        this->headZRotTarget = 0;
+        if ((this->textIdIndex == 13) || (this->textIdIndex == 14)) {
+            func_80151BB4(globalCtx, 0x13);
+            gSaveContext.weekEventReg[79] |= 4;
+            func_80BC6E10(this);
+            return;
+        }
+        if (this->actor.params == 0) {
+            if (this->actor.textId == 0x295F) {
+                gSaveContext.weekEventReg[88] |= 4;
+            }
+            if (this->actor.textId == 0x292A) {
+                gSaveContext.weekEventReg[38] |= 0x10;
+            }
+            func_80151BB4(globalCtx, 0x13);
+            func_80BC6E10(this);
+            return;
+        }
+        if (this->textIdIndex == 11) {
+            func_80BC73F4(this);
+            return;
+        }
+        if (this->textIdIndex == 12) {
+            gSaveContext.weekEventReg[38] |= 0x40;
+            func_801A3B48(0);
+            func_80151BB4(globalCtx, 0x36);
+            func_80151BB4(globalCtx, 0x13);
+            func_80BC6E10(this);
+            return;
+        }
+        if (this->textIdIndex >= 3) {
+            if ((this->textIdIndex == 0xA) && (INV_CONTENT(ITEM_MASK_BREMEN) == ITEM_MASK_BREMEN)) {
+                this->textIdIndex = 0xC;
+                this->unk268 = 0;
+            } else {
+                this->textIdIndex++;
+                this->unk268++;
+                this->unk268 &= 1;
+                if (this->textIdIndex == 11) {
+                    this->unk268 = 0;
+                }
+            }
+            this->texIndex = 0;
+            if (this->textIdIndex == 7) {
+                this->texIndex = 1;
+            }
+            if ((this->unk268 != 0) && (this->textIdIndex >= 7)) {
+                this->skelAnime.animPlaybackSpeed = 2.0f;
+                func_801A29D4(3, 1.18921f, 2);
+                func_801A3B48(0);
+            } else {
+                if (this->skelAnime.animPlaybackSpeed == 2.0f) {
+                    func_801A29D4(3, 1.0f, 2);
+                }
+                if (this->unk268 == 0) {
+                    func_801A3B48(1);
+                } else {
+                    func_801A3B48(0);
+                }
+                this->skelAnime.animPlaybackSpeed = 1.0f;
+            }
+            this->unk266 = 1;
+            func_80151938(globalCtx, textIDs[this->textIdIndex]);
+            return;
+        }
+        func_801A3B48(0);
+        func_80151BB4(globalCtx, 0x13);
+        func_80BC6E10(this);
+    }
+}
+
+void func_80BC73F4(EnGuruguru* this) {
+    func_801A3B48(0);
+    this->unk268 = 1;
+    this->headZRotTarget = 0;
+    this->unk272 = 2;
+    this->actionFunc = func_80BC7440;
+}
+
+void func_80BC7440(EnGuruguru* this, GlobalContext* globalCtx) {
+    SkelAnime_FrameUpdateMatrix(&this->skelAnime);
+    if (Actor_HasParent(&this->actor, globalCtx)) {
+        this->actor.parent = NULL;
+        this->textIdIndex++;
+        this->actor.textId = textIDs[this->textIdIndex];
+        func_801A3B48(1);
+        func_800B8500(&this->actor, globalCtx, 400.0f, 400.0f, -1);
+        this->unk268 = 0;
+        gSaveContext.weekEventReg[38] |= 0x40;
+        this->actionFunc = func_80BC7520;
+    } else {
+        func_800B8A1C(&this->actor, globalCtx, GI_MASK_BREMEN, 300.0f, 300.0f);
+    }
+}
+
+void func_80BC7520(EnGuruguru* this, GlobalContext* globalCtx) {
+    SkelAnime_FrameUpdateMatrix(&this->skelAnime);
+    if (func_800B84D0(&this->actor, globalCtx)) {
+        this->actionFunc = func_80BC7068;
+    } else {
+        func_800B8500(&this->actor, globalCtx, 400.0f, 400.0f, -1);
+    }
+}
+
+void EnGuruguru_Update(Actor* thisx, GlobalContext* globalCtx) {
+    EnGuruguru* this = THIS;
+    s32 yaw;
+    Player* player = PLAYER;
+    s16 yawTemp;
+
+    if (!gSaveContext.isNight) {
+        if (this->actor.params == 1) {
+            Actor_MarkForDeath(&this->actor);
+            return;
+        }
+    } else if (this->actor.params == 0 || this->actor.params == 2) {
+        Actor_MarkForDeath(&this->actor);
+        return;
+    }
+
+    this->actionFunc(this, globalCtx);
+
+    if (this->actor.params == 2) {
+        if (fabsf(player->actor.world.pos.y - this->actor.world.pos.y) < 100.0f) {
+            func_801A1DB8(&this->actor.projectedPos, 0x2E, 540.0f);
+        }
+        return;
+    }
+    if (fabsf(player->actor.world.pos.y - this->actor.world.pos.y) < 200.0f) {
+        func_801A1D44(&this->actor.projectedPos, 0x2E, 540.0f);
+    }
+    if (this->unusedTimer != 0) {
+        this->unusedTimer--;
+    }
+    if (this->unk266 != 0) {
+        this->unk266--;
+    }
+
+    yawTemp = this->actor.yawTowardsPlayer - this->actor.world.rot.y;
+    yaw = ABS_ALT(yawTemp);
+    this->headXRotTarget = 0;
+    if (yaw < 0x2AF8) {
+        this->headXRotTarget = this->actor.yawTowardsPlayer - this->actor.world.rot.y;
+        if (this->headXRotTarget > 5000) {
+            this->headXRotTarget = 5000;
+        } else if (this->headXRotTarget < -5000) {
+            this->headXRotTarget = -5000;
+        }
+    }
+    Actor_SetScale(&this->actor, 0.01f);
+    Actor_SetHeight(&this->actor, 50.0f);
+    Actor_SetVelocityAndMoveYRotationAndGravity(&this->actor);
+    Math_SmoothStepToS(&this->headXRot, this->headXRotTarget, 1, 3000, 0);
+    Math_SmoothStepToS(&this->headZRot, this->headZRotTarget, 1, 1000, 0);
+    Actor_UpdateBgCheckInfo(globalCtx, &this->actor, 20.0f, 20.0f, 50.0f, 0x1D);
+    Collider_UpdateCylinder(&this->actor, &this->collider);
+    CollisionCheck_SetOC(globalCtx, &globalCtx->colChkCtx, &this->collider.base);
+}
+
+s32 EnGuruguru_OverrideLimbDraw(GlobalContext* globalCtx, s32 limbIndex, Gfx** dList, Vec3f* pos, Vec3s* rot, Actor* thisx) {
+    EnGuruguru* this = THIS;
+    
+    if (limbIndex == 14) {
+        rot->x += this->headXRot;
+        rot->z += this->headZRot;
+    }
+
+    return false;
+}
+
+void EnGuruguru_Draw(Actor* thisx, GlobalContext* globalCtx) {
+    EnGuruguru* this = THIS;
+
+    OPEN_DISPS(globalCtx->state.gfxCtx);
+    func_8012C28C(globalCtx->state.gfxCtx);
+    func_8012C2DC(globalCtx->state.gfxCtx);
+    gSPSegment(POLY_OPA_DISP++, 0x08, SEGMENTED_TO_VIRTUAL(sEyeTextures[this->texIndex]));
+    gSPSegment(POLY_OPA_DISP++, 0x09, SEGMENTED_TO_VIRTUAL(sMouthTextures[this->texIndex]));
+    SkelAnime_DrawSV(globalCtx, this->skelAnime.skeleton, this->skelAnime.limbDrawTbl, this->skelAnime.dListCount,
+                     EnGuruguru_OverrideLimbDraw, NULL, &this->actor);
+    CLOSE_DISPS(globalCtx->state.gfxCtx);
+}
diff --git a/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.h b/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.h
index ab46c91c3..e61b6843f 100644
--- a/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.h
+++ b/src/overlays/actors/ovl_En_Guruguru/z_en_guruguru.h
@@ -5,9 +5,29 @@
 
 struct EnGuruguru;
 
+typedef void (*EnGuruguruActionFunc)(struct EnGuruguru*, GlobalContext*);
+
 typedef struct EnGuruguru {
     /* 0x000 */ Actor actor;
-    /* 0x144 */ char unk_144[0x180];
+    /* 0x144 */ SkelAnime skelAnime;
+    /* 0x188 */ Vec3s jointTable[16];
+    /* 0x1E8 */ Vec3s morphTable[16];
+    /* 0x248 */ EnGuruguruActionFunc actionFunc;
+    /* 0x24C */ s16 headZRot;
+    /* 0x24E */ s16 headXRot;
+    /* 0x250 */ char unk250[0x2];
+    /* 0x252 */ s16 headZRotTarget;
+    /* 0x254 */ s16 headXRotTarget;
+    /* 0x256 */ char unk256[0xE];
+    /* 0x264 */ s16 unusedTimer; // set to 6 and decremented, but never has any effect
+    /* 0x266 */ s16 unk266;
+    /* 0x268 */ s16 unk268;
+    /* 0x26C */ f32 frameCount;
+    /* 0x270 */ u8 unk270;
+    /* 0x272 */ s16 unk272; // set, but never used
+    /* 0x274 */ s16 textIdIndex;
+    /* 0x276 */ s16 texIndex;
+    /* 0x278 */ ColliderCylinder collider;
 } EnGuruguru; // size = 0x2C4
 
 extern const ActorInit En_Guruguru_InitVars;
diff --git a/tables/functions.txt b/tables/functions.txt
index 1d775e738..3f6002570 100644
--- a/tables/functions.txt
+++ b/tables/functions.txt
@@ -15590,8 +15590,8 @@
     0x80BC61D0:("EnPoComposer_Draw",),
     0x80BC6BF0:("EnGuruguru_Init",),
     0x80BC6D28:("EnGuruguru_Destroy",),
-    0x80BC6D64:("func_80BC6D64",),
-    0x80BC6E00:("func_80BC6E00",),
+    0x80BC6D64:("EnGuruguru_ChangeAnimation",),
+    0x80BC6E00:("EnGuruguru_DoNothing",),
     0x80BC6E10:("func_80BC6E10",),
     0x80BC6F14:("func_80BC6F14",),
     0x80BC701C:("func_80BC701C",),
@@ -15600,7 +15600,7 @@
     0x80BC7440:("func_80BC7440",),
     0x80BC7520:("func_80BC7520",),
     0x80BC7590:("EnGuruguru_Update",),
-    0x80BC77EC:("func_80BC77EC",),
+    0x80BC77EC:("EnGuruguru_OverrideLimbDraw",),
     0x80BC7834:("EnGuruguru_Draw",),
     0x80BC7AD0:("OceffWipe5_Init",),
     0x80BC7B28:("OceffWipe5_Destroy",),