diff --git a/spec b/spec
index 8a587b0c03..158cca3711 100644
--- a/spec
+++ b/spec
@@ -3595,8 +3595,7 @@ beginseg
     name "ovl_En_Elfbub"
     compress
     include "build/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.o"
-    include "build/data/ovl_En_Elfbub/ovl_En_Elfbub.data.o"
-    include "build/data/ovl_En_Elfbub/ovl_En_Elfbub.reloc.o"
+    include "build/src/overlays/actors/ovl_En_Elfbub/ovl_En_Elfbub_reloc.o"
 endseg
 
 beginseg
diff --git a/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.c b/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.c
index 954e5fa066..7d492ac1d4 100644
--- a/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.c
+++ b/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.c
@@ -1,3 +1,9 @@
+/*
+ * File: z_en_elfbub.c
+ * Overlay: ovl_En_Elfbub
+ * Description: Stray fairy in bubble
+ */
+
 #include "z_en_elfbub.h"
 
 #define FLAGS 0x00000001
@@ -9,7 +15,9 @@ void EnElfbub_Destroy(Actor* thisx, GlobalContext* globalCtx);
 void EnElfbub_Update(Actor* thisx, GlobalContext* globalCtx);
 void EnElfbub_Draw(Actor* thisx, GlobalContext* globalCtx);
 
-#if 0
+void EnElfbub_Pop(EnElfbub* this, GlobalContext* globalCtx);
+void EnElfbub_Idle(EnElfbub* this, GlobalContext* globalCtx);
+
 const ActorInit En_Elfbub_InitVars = {
     ACTOR_EN_ELFBUB,
     ACTORCAT_MISC,
@@ -22,27 +30,138 @@ const ActorInit En_Elfbub_InitVars = {
     (ActorFunc)EnElfbub_Draw,
 };
 
-// static ColliderCylinderInit sCylinderInit = {
-static ColliderCylinderInit D_80ACE270 = {
-    { COLTYPE_NONE, AT_NONE, AC_ON | AC_TYPE_PLAYER, OC1_ON | OC1_TYPE_PLAYER, OC2_TYPE_1, COLSHAPE_CYLINDER, },
-    { ELEMTYPE_UNK0, { 0x00000000, 0x00, 0x00 }, { 0xF7CFFFFF, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_ON, },
+static ColliderCylinderInit sCylinderInit = {
+    {
+        COLTYPE_NONE,
+        AT_NONE,
+        AC_ON | AC_TYPE_PLAYER,
+        OC1_ON | OC1_TYPE_PLAYER,
+        OC2_TYPE_1,
+        COLSHAPE_CYLINDER,
+    },
+    {
+        ELEMTYPE_UNK0,
+        { 0x00000000, 0x00, 0x00 },
+        { 0xF7CFFFFF, 0x00, 0x00 },
+        TOUCH_NONE | TOUCH_SFX_NORMAL,
+        BUMP_ON,
+        OCELEM_ON,
+    },
     { 16, 32, 0, { 0, 0, 0 } },
 };
 
-#endif
+extern Gfx D_06001000[];
 
-extern ColliderCylinderInit D_80ACE270;
+void EnElfbub_Init(Actor* thisx, GlobalContext* globalCtx) {
+    EnElfbub* this = THIS;
+    Actor* childActor;
 
-extern UNK_TYPE D_06001000;
+    if (Flags_GetSwitch(globalCtx, ENELFBUB_GET_SWITCHFLAG(&this->actor))) {
+        Actor_MarkForDeath(&this->actor);
+        return;
+    }
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_En_Elfbub/EnElfbub_Init.s")
+    ActorShape_Init(&this->actor.shape, 16.0f, func_800B3FC0, 0.2f);
+    this->actor.hintId = 0x16;
+    Actor_SetScale(&this->actor, 1.25f);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_En_Elfbub/EnElfbub_Destroy.s")
+    this->actionFunc = EnElfbub_Idle;
+    this->zRot = randPlusMinusPoint5Scaled(0x10000);
+    this->zRotDelta = 1000;
+    this->xScale = 0.08f;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_En_Elfbub/func_80ACDE60.s")
+    Collider_InitAndSetCylinder(globalCtx, &this->collider, &this->actor, &sCylinderInit);
+    this->actor.colChkInfo.mass = MASS_IMMOVABLE;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_En_Elfbub/func_80ACE030.s")
+    childActor = Actor_SpawnAsChild(&globalCtx->actorCtx, &this->actor, globalCtx, ACTOR_EN_ELFORG,
+                                    this->actor.world.pos.x, this->actor.world.pos.y + 12.0f, this->actor.world.pos.z,
+                                    this->actor.world.rot.x, this->actor.world.rot.y, this->actor.world.rot.z,
+                                    ((ENELFBUB_GET_SWITCHFLAG(&this->actor) & 0x7F) << 9) | 2);
+    if (childActor != NULL) {
+        childActor->parent = &this->actor;
+    }
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_En_Elfbub/EnElfbub_Update.s")
+    this->oscillationAngle = 0;
+    this->actor.flags &= ~1;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_En_Elfbub/EnElfbub_Draw.s")
+void EnElfbub_Destroy(Actor* thisx, GlobalContext* globalCtx) {
+    EnElfbub* this = THIS;
+    Collider_DestroyCylinder(globalCtx, &this->collider);
+}
+
+void EnElfbub_Pop(EnElfbub* this, GlobalContext* globalCtx) {
+    static Color_RGBA8 sPrimColor = { 255, 255, 255, 255 };
+    static Color_RGBA8 sEnvColor = { 150, 150, 150, 0 };
+    static Vec3f sAccel = { 0.0f, -0.5f, 0.0f };
+    s32 effectCounter;
+    Vec3f velocity;
+    Vec3f pos;
+
+    Math_SmoothStepToF(&this->xyScale, 3.0f, 0.1f, 1000.0f, 0.0f);
+    Math_SmoothStepToF(&this->xScale, 0.2f, 0.1f, 1000.0f, 0.0f);
+    this->zRotDelta += 1000;
+    this->zRot += this->zRotDelta;
+    this->popTimer--;
+    if (this->popTimer <= 0) {
+        pos.x = this->actor.world.pos.x;
+        pos.y = this->actor.world.pos.y;
+        pos.z = this->actor.world.pos.z;
+
+        for (effectCounter = 0; effectCounter < 20; effectCounter++) {
+            velocity.x = (Rand_ZeroOne() - 0.5f) * 7.0f;
+            velocity.y = Rand_ZeroOne() * 7.0f;
+            velocity.z = (Rand_ZeroOne() - 0.5f) * 7.0f;
+            EffectSsDtBubble_SpawnCustomColor(globalCtx, &pos, &velocity, &sAccel, &sPrimColor, &sEnvColor,
+                                              Rand_S16Offset(100, 50), 25, 0);
+        }
+
+        Audio_PlaySoundAtPosition(globalCtx, &this->actor.world.pos, 60, NA_SE_EN_AWA_BREAK);
+        Actor_MarkForDeath(&this->actor);
+    }
+}
+
+void EnElfbub_Idle(EnElfbub* this, GlobalContext* globalCtx) {
+    s32 pad;
+
+    this->zRot += this->zRotDelta;
+    this->actor.world.pos.y += Math_SinS(this->oscillationAngle);
+    this->oscillationAngle += 0x200;
+
+    if (this->collider.base.acFlags & AC_HIT || this->collider.base.ocFlags1 & OC1_HIT) {
+        this->actionFunc = EnElfbub_Pop;
+        this->popTimer = 6;
+        return;
+    }
+
+    CollisionCheck_SetAC(globalCtx, &globalCtx->colChkCtx, &this->collider.base);
+    CollisionCheck_SetOC(globalCtx, &globalCtx->colChkCtx, &this->collider.base);
+}
+
+void EnElfbub_Update(Actor* thisx, GlobalContext* globalCtx) {
+    EnElfbub* this = THIS;
+    Collider_UpdateCylinder(&this->actor, &this->collider);
+    this->actionFunc(this, globalCtx);
+    Actor_SetHeight(&this->actor, this->actor.shape.yOffset);
+}
+
+void EnElfbub_Draw(Actor* thisx, GlobalContext* globalCtx2) {
+    GlobalContext* globalCtx = globalCtx2;
+    EnElfbub* this = THIS;
+
+    OPEN_DISPS(globalCtx->state.gfxCtx);
+
+    func_8012C2DC(globalCtx->state.gfxCtx);
+
+    SysMatrix_InsertTranslation(0.0f, 0.0f, 1.0f, 1);
+    SysMatrix_NormalizeXYZ(&globalCtx->mf_187FC);
+    Matrix_Scale(this->xyScale + 1.0f, this->xyScale + 1.0f, 1.0f, 1);
+    SysMatrix_InsertZRotation_s(this->zRot, 1);
+    Matrix_Scale(this->xScale + 1.0f, 1.0f, 1.0f, 1);
+    SysMatrix_InsertZRotation_s(this->zRot * -1, 1);
+
+    gSPMatrix(POLY_XLU_DISP++, Matrix_NewMtx(globalCtx->state.gfxCtx), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+    gSPDisplayList(POLY_XLU_DISP++, D_06001000);
+
+    CLOSE_DISPS(globalCtx->state.gfxCtx);
+}
diff --git a/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.h b/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.h
index 47151cf6ff..62a4b69a6c 100644
--- a/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.h
+++ b/src/overlays/actors/ovl_En_Elfbub/z_en_elfbub.h
@@ -3,13 +3,21 @@
 
 #include "global.h"
 
+#define ENELFBUB_GET_SWITCHFLAG(thisx) ((((thisx)->params) & 0xFE00) >> 9)
+
 struct EnElfbub;
 
 typedef void (*EnElfbubActionFunc)(struct EnElfbub*, GlobalContext*);
 
 typedef struct EnElfbub {
     /* 0x0000 */ Actor actor;
-    /* 0x0144 */ char unk_144[0x5C];
+    /* 0x0144 */ ColliderCylinder collider;
+    /* 0x0190 */ s16 zRot;
+    /* 0x0192 */ s16 zRotDelta;
+    /* 0x0194 */ s16 oscillationAngle;
+    /* 0x0196 */ s16 popTimer;
+    /* 0x0198 */ f32 xScale;
+    /* 0x019C */ f32 xyScale;
     /* 0x01A0 */ EnElfbubActionFunc actionFunc;
 } EnElfbub; // size = 0x1A4