diff --git a/include/sfx.h b/include/sfx.h
index 865c5027d..8e7a66fd1 100644
--- a/include/sfx.h
+++ b/include/sfx.h
@@ -218,7 +218,7 @@ typedef enum { MONO_SOUND, STEREO_SOUND } soundMode;
 #define NA_SE_EN_ZOMBIE_EXPLODE 0x65E
 #define NA_SE_EN_GAIBON_FLAME_OUT 0x65E
 #define NA_SE_EN_DR_FIREBALL 0x660
-#define SFX_UNK_665 0x665
+#define SFX_THUNDER 0x665
 #define SFX_UNK_668 0x668
 #define SFX_UNK_669 0x669
 #define NA_SE_EN_AXE_KNIGHT_BREAK_AXE 0x66B
@@ -243,7 +243,7 @@ typedef enum { MONO_SOUND, STEREO_SOUND } soundMode;
 #define SFX_UNK_6A3 0x6A3
 #define NA_SE_EV_CLOCK_TICK 0x6A1
 #define REBOUND_STONE_BOUNCE 0x6A4
-#define NA_SE_PL_COLLECT_GOLD 0x6A9
+#define SFX_COLLECT_GOLD 0x6A9
 #define SFX_UNK_6AD 0x6AD
 #define NA_SE_EN_SLOGRA_SPEAR_SLASH 0x6C6
 #define NA_SE_EN_SLOGRA_BEAK_ATTACK 0x6C8
@@ -364,6 +364,10 @@ typedef enum { MONO_SOUND, STEREO_SOUND } soundMode;
 #define SE_WPN_ALUCARD_SWORD_SWING 0x6A8
 #define SE_WPN_PENTAGRAM 0x6E4
 
+#define SFX_KARMA_COIN 0x682
+#define SFX_KARMA_COIN_HEADS 0x6B1
+#define SFX_KARMA_COIN_END 0x636
+
 // UNUSED SOUNDS
 #define SE_UNK_ST0_618 0x618
 #define SE_UNK_MAD_630 0x630
diff --git a/src/dra/7E4BC.c b/src/dra/7E4BC.c
index 597a65a1e..e8055eefb 100644
--- a/src/dra/7E4BC.c
+++ b/src/dra/7E4BC.c
@@ -654,7 +654,7 @@ void EntityHitByLightning(Entity* self) {
         }
         self->ext.hitbylightning.unk94 = 0x10;
         PlaySfx(SFX_UNK_69D);
-        PlaySfx(SFX_UNK_665);
+        PlaySfx(SFX_THUNDER);
         self->step++;
         break;
     case 1:
diff --git a/src/dra/843B0.c b/src/dra/843B0.c
index 0b3d0bd97..c78a0a135 100644
--- a/src/dra/843B0.c
+++ b/src/dra/843B0.c
@@ -2242,7 +2242,7 @@ void EntitySubwpnAgunea(Entity* self) {
             self->posY.i.hi += ((rand() & 0xF) - 8);
             if (self->ext.et_80128C2C.unk84 == 0) {
                 CreateEntFactoryFromEntity(self, FACTORY(0, 23), 0);
-                PlaySfx(SFX_UNK_665);
+                PlaySfx(SFX_THUNDER);
                 CreateEntFactoryFromEntity(self, FACTORY(0x200, 61), 0);
                 self->ext.et_80128C2C.unk84++;
             } else {
@@ -2262,7 +2262,7 @@ void EntitySubwpnAgunea(Entity* self) {
                 if (g_Status.hearts >= heartCost) {
                     g_Status.hearts -= heartCost;
                     CreateEntFactoryFromEntity(self, FACTORY(0, 23), 0);
-                    PlaySfx(SFX_UNK_665);
+                    PlaySfx(SFX_THUNDER);
                     CreateEntFactoryFromEntity(self, FACTORY(0x200, 61), 0);
                 } else {
                     self->step = 4;
diff --git a/src/st/collect_gold.h b/src/st/collect_gold.h
index baee2f031..f066f1a10 100644
--- a/src/st/collect_gold.h
+++ b/src/st/collect_gold.h
@@ -5,7 +5,7 @@ void CollectGold(u16 goldSize) {
 #ifdef VERSION_BETA
     g_api.PlaySfx(0x69D); // MAD seems to use its own sfx id set.
 #else
-    g_api.PlaySfx(NA_SE_PL_COLLECT_GOLD);
+    g_api.PlaySfx(SFX_COLLECT_GOLD);
 #endif
     goldSize -= 2;
     g_Status.gold += c_GoldPrizes[goldSize];
diff --git a/src/weapon/w_020.c b/src/weapon/w_020.c
index ff6d32db7..43ec1cf9d 100644
--- a/src/weapon/w_020.c
+++ b/src/weapon/w_020.c
@@ -2,6 +2,7 @@
 // Karma Coin
 #include "weapon_private.h"
 #include "shared.h"
+#include "sfx.h"
 
 extern SpriteParts D_90000_8017A040[];
 extern AnimationFrame D_90000_8017A850[];
@@ -91,7 +92,7 @@ void EntityWeaponAttack(Entity* self) {
             self->posY.i.hi += sp10.unk18;
             self->animFrameDuration = self->animFrameIdx = 0;
             self->unk4C = D_90000_8017A864;
-            g_api.PlaySfx(0x6A9);
+            g_api.PlaySfx(SFX_COLLECT_GOLD);
             self->step += 1;
             return;
         }
@@ -124,8 +125,8 @@ void EntityWeaponAttack(Entity* self) {
         return;
     case 2:
         if (((self->animFrameIdx % 8) == 5) && (self->animFrameDuration == 1)) {
-            g_api.func_80134714(
-                0x6A9, D_90000_8017AB44[self->ext.karmacoin.unk84], 0);
+            g_api.func_80134714(SFX_COLLECT_GOLD,
+                                D_90000_8017AB44[self->ext.karmacoin.unk84], 0);
             self->ext.karmacoin.unk84++;
         }
         if (self->animFrameDuration < 0) {
@@ -146,9 +147,9 @@ void EntityWeaponAttack(Entity* self) {
         if ((self->animFrameIdx == 1) && (self->animFrameDuration == 0x38)) {
             // Useless if-statement
             if (self->unk4C == D_90000_8017A8C8) {
-                g_api.PlaySfx(0x682);
+                g_api.PlaySfx(SFX_KARMA_COIN);
             } else {
-                g_api.PlaySfx(0x682);
+                g_api.PlaySfx(SFX_KARMA_COIN);
             }
         }
         if (self->animFrameDuration < 0) {
@@ -160,7 +161,7 @@ void EntityWeaponAttack(Entity* self) {
                 self->zPriority = 0x1B6;
                 self->flags &= ~FLAG_UNK_100000;
                 g_api.func_80118C28(7);
-                g_api.PlaySfx(0x665);
+                g_api.PlaySfx(SFX_THUNDER);
                 SetWeaponProperties(self, 0);
                 self->step = 4;
             } else {
@@ -178,7 +179,7 @@ void EntityWeaponAttack(Entity* self) {
                 self->ext.karmacoin.timer = 0xE0;
                 self->unk6C = 0x80;
                 g_api.func_80118C28(8);
-                g_api.PlaySfx(0x6B1);
+                g_api.PlaySfx(SFX_KARMA_COIN_HEADS);
                 prim = &g_PrimBuf[self->primIndex];
                 prim->r0 = prim->g0 = prim->b0 = 0x5F;
                 prim->r1 = prim->g1 = prim->b1 = 0x5F;
@@ -336,7 +337,7 @@ void EntityWeaponAttack(Entity* self) {
             prim = &g_PrimBuf[self->primIndex];
             prim = prim->next;
             prim->drawMode |= DRAW_HIDE;
-            g_api.PlaySfx(0x636);
+            g_api.PlaySfx(SFX_KARMA_COIN_END);
             self->step += 1;
         }
         break;