diff --git a/src/overlays/actors/ovl_En_Ru1/z_en_ru1.c b/src/overlays/actors/ovl_En_Ru1/z_en_ru1.c
index aea5f9ba2e..850d1177e3 100644
--- a/src/overlays/actors/ovl_En_Ru1/z_en_ru1.c
+++ b/src/overlays/actors/ovl_En_Ru1/z_en_ru1.c
@@ -90,6 +90,21 @@ void EnRu1_DrawNothing(EnRu1* this, PlayState* play);
 void EnRu1_DrawOpa(EnRu1* this, PlayState* play);
 void EnRu1_DrawXlu(EnRu1* this, PlayState* play);
 
+typedef enum EnRu1Eyes {
+    /* 0 */ ENRU1_EYES_OPEN,
+    /* 1 */ ENRU1_EYES_HALF_BLINK,
+    /* 2 */ ENRU1_EYES_CLOSED,
+    /* 3 */ ENRU1_EYES_UP,
+    /* 4 */ ENRU1_EYES_GAZING,
+    /* 5 */ ENRU1_EYES_BLUSH,
+} EnRu1Eyes;
+
+typedef enum EnRu1Mouth {
+    /* 0 */ ENRU1_MOUTH_SMILING,
+    /* 1 */ ENRU1_MOUTH_FROWNING,
+    /* 2 */ ENRU1_MOUTH_OPEN,
+} EnRu1Mouth;
+
 typedef enum EnRu1WaterState {
     /* 0 */ ENRU1_WATER_OUTSIDE,
     /* 1 */ ENRU1_WATER_IMMERSED,
@@ -237,24 +252,24 @@ void EnRu1_Destroy(Actor* thisx, PlayState* play) {
 void EnRu1_UpdateEyes(EnRu1* this) {
     s32 pad[3];
     s16* blinkTimer = &this->blinkTimer;
-    s16* eyeIndex = &this->eyeIndex;
+    s16* eyes = &this->eyes;
 
     if (DECR(*blinkTimer) == 0) {
         *blinkTimer = Rand_S16Offset(60, 60);
     }
 
-    *eyeIndex = *blinkTimer;
-    if (*eyeIndex >= 3) {
-        *eyeIndex = 0;
+    *eyes = *blinkTimer;
+    if (*eyes >= ENRU1_EYES_UP) {
+        *eyes = ENRU1_EYES_OPEN;
     }
 }
 
-void EnRu1_SetEyeIndex(EnRu1* this, s16 eyeIndex) {
-    this->eyeIndex = eyeIndex;
+void EnRu1_SetEyes(EnRu1* this, s16 eyes) {
+    this->eyes = eyes;
 }
 
-void EnRu1_SetMouthIndex(EnRu1* this, s16 mouthIndex) {
-    this->mouthIndex = mouthIndex;
+void EnRu1_SetMouth(EnRu1* this, s16 mouth) {
+    this->mouth = mouth;
 }
 
 void func_80AEAECC(EnRu1* this, PlayState* play) {
@@ -436,8 +451,8 @@ void EnRu1_InitOutsideJabuJabu(EnRu1* this, PlayState* play) {
     EnRu1_AnimationChange(this, &gRutoChildWaitHandsBehindBackAnim, ANIMMODE_LOOP, 0, false);
     this->action = 0;
     this->drawConfig = 1;
-    EnRu1_SetEyeIndex(this, 4);
-    EnRu1_SetMouthIndex(this, 0);
+    EnRu1_SetEyes(this, ENRU1_EYES_GAZING);
+    EnRu1_SetMouth(this, ENRU1_MOUTH_SMILING);
 }
 
 CsCmdActorCue* EnRu1_GetCueChannel3(PlayState* play) {
@@ -793,7 +808,7 @@ void EnRu1_InitInJabuJabuHolesRoom(EnRu1* this, PlayState* play) {
     if (!GET_INFTABLE(INFTABLE_141)) {
         EnRu1_AnimationChange(this, &gRutoChildWait2Anim, ANIMMODE_LOOP, 0, false);
         this->action = 7;
-        EnRu1_SetMouthIndex(this, 1);
+        EnRu1_SetMouth(this, ENRU1_MOUTH_FROWNING);
     } else if (GET_INFTABLE(INFTABLE_147) && !GET_INFTABLE(INFTABLE_140) && !GET_INFTABLE(INFTABLE_145)) {
         if (!func_80AEB020(this, play)) {
             s8 actorRoom;
@@ -1038,8 +1053,8 @@ void EnRu1_InitInBossRoom(EnRu1* this, PlayState* play) {
     EnRu1_AnimationChange(this, &gRutoChildWaitHandsOnHipsAnim, ANIMMODE_LOOP, 0, false);
     this->action = 15;
     this->actor.shape.yOffset = -10000.0f;
-    EnRu1_SetEyeIndex(this, 5);
-    EnRu1_SetMouthIndex(this, 2);
+    EnRu1_SetEyes(this, ENRU1_EYES_BLUSH);
+    EnRu1_SetMouth(this, ENRU1_MOUTH_OPEN);
 }
 
 void func_80AECE04(EnRu1* this, PlayState* play) {
@@ -1968,8 +1983,8 @@ void func_80AEF51C(EnRu1* this) {
 
 void func_80AEF540(EnRu1* this) {
     if (EnRu1_GetPlatformCamSetting(this) == 2) {
-        EnRu1_SetEyeIndex(this, 3);
-        EnRu1_SetMouthIndex(this, 2);
+        EnRu1_SetEyes(this, ENRU1_EYES_UP);
+        EnRu1_SetMouth(this, ENRU1_MOUTH_OPEN);
         if (this->skelAnime.mode != 2) {
             EnRu1_AnimationChange(this, &gRutoChildShutterAnim, ANIMMODE_ONCE, -8.0f, false);
             func_80AEF51C(this);
@@ -1983,8 +1998,8 @@ void func_80AEF5B8(EnRu1* this) {
     if (D_80AF1938 == 0) {
         curFrame = this->skelAnime.curFrame;
         if (curFrame >= 60.0f) {
-            EnRu1_SetEyeIndex(this, 3);
-            EnRu1_SetMouthIndex(this, 0);
+            EnRu1_SetEyes(this, ENRU1_EYES_UP);
+            EnRu1_SetMouth(this, ENRU1_MOUTH_SMILING);
             func_80AED57C(this);
             D_80AF1938 = 1;
         }
@@ -2380,11 +2395,11 @@ void EnRu1_DrawNothing(EnRu1* this, PlayState* play) {
 
 void EnRu1_DrawOpa(EnRu1* this, PlayState* play) {
     s32 pad[2];
-    s16 eyeIndex = this->eyeIndex;
-    void* eyeTex = sEyeTextures[eyeIndex];
-    s16 mouthIndex = this->mouthIndex;
+    s16 eyes = this->eyes;
+    void* eyeTex = sEyeTextures[eyes];
+    s16 mouth = this->mouth;
     SkelAnime* skelAnime = &this->skelAnime;
-    void* mouthTex = sMouthTextures[mouthIndex];
+    void* mouthTex = sMouthTextures[mouth];
     s32 pad1;
 
     OPEN_DISPS(play->state.gfxCtx, "../z_en_ru1.c", 1282);
@@ -2405,11 +2420,11 @@ void EnRu1_DrawOpa(EnRu1* this, PlayState* play) {
 
 void EnRu1_DrawXlu(EnRu1* this, PlayState* play) {
     s32 pad[2];
-    s16 eyeIndex = this->eyeIndex;
-    void* eyeTex = sEyeTextures[eyeIndex];
-    s16 mouthIndex = this->mouthIndex;
+    s16 eyes = this->eyes;
+    void* eyeTex = sEyeTextures[eyes];
+    s16 mouth = this->mouth;
     SkelAnime* skelAnime = &this->skelAnime;
-    void* mouthTex = sMouthTextures[mouthIndex];
+    void* mouthTex = sMouthTextures[mouth];
     s32 pad1;
 
     OPEN_DISPS(play->state.gfxCtx, "../z_en_ru1.c", 1324);
diff --git a/src/overlays/actors/ovl_En_Ru1/z_en_ru1.h b/src/overlays/actors/ovl_En_Ru1/z_en_ru1.h
index 80f1bccb13..b4faf8d3f4 100644
--- a/src/overlays/actors/ovl_En_Ru1/z_en_ru1.h
+++ b/src/overlays/actors/ovl_En_Ru1/z_en_ru1.h
@@ -21,9 +21,9 @@ typedef struct EnRu1 {
     /* 0x014C */ SkelAnime skelAnime;
     /* 0x0190 */ Vec3s jointTable[17];
     /* 0x01F6 */ Vec3s morphTable[17];
-    /* 0x025C */ s16 eyeIndex;
+    /* 0x025C */ s16 eyes;
     /* 0x025E */ s16 blinkTimer;
-    /* 0x0260 */ s16 mouthIndex;
+    /* 0x0260 */ s16 mouth;
     /* 0x0264 */ s32 action;
     /* 0x0268 */ s32 drawConfig;
     /* 0x026C */ f32 unk_26C;