diff --git a/src/code_80A7714.c b/src/code_80A7714.c
index 7b3f899a7..26bd4e14a 100644
--- a/src/code_80A7714.c
+++ b/src/code_80A7714.c
@@ -6,7 +6,7 @@ extern void sub_80A7094(struct axPokemon *, u32, u32, u32);
 extern void sub_80A7310(struct axPokemon *, u32, u32, u32);
 extern void sub_80A7784();
 
-static EWRAM_DATA s16 sUnknown_2039DE0;
+static EWRAM_DATA s16 sUnknown_2039DE0 = {0};
 
 extern const u32 gUnknown_8117EFC;
 extern const u32 *gMapScriptTable[]; // 811E2F8
diff --git a/src/kecleon_bros2.c b/src/kecleon_bros2.c
index d63f9acf4..fca0771cd 100644
--- a/src/kecleon_bros2.c
+++ b/src/kecleon_bros2.c
@@ -10,7 +10,7 @@
 #include "text2.h"
 
 static EWRAM_DATA_2 struct unkStruct_203B214 *gUnknown_203B214 = {0};
-static EWRAM_DATA_2 u16 gUnknown_203B218;
+static EWRAM_DATA_2 u16 gUnknown_203B218 = {0};
 
 #include "data/kecleon_bros2.h"
 
diff --git a/src/kecleon_bros3.c b/src/kecleon_bros3.c
index 3e7afd800..9108d3ce5 100644
--- a/src/kecleon_bros3.c
+++ b/src/kecleon_bros3.c
@@ -10,7 +10,7 @@
 #include "text2.h"
 
 static EWRAM_DATA_2 struct unkStruct_203B21C *gUnknown_203B21C = {0};
-static EWRAM_DATA_2 u16 gUnknown_203B220;
+static EWRAM_DATA_2 u16 gUnknown_203B220 = {0};
 
 #include "data/kecleon_bros3.h"
 
diff --git a/src/kecleon_bros4.c b/src/kecleon_bros4.c
index 3f81abf0a..e6f479ad1 100644
--- a/src/kecleon_bros4.c
+++ b/src/kecleon_bros4.c
@@ -14,8 +14,8 @@
 extern u8 gUnknown_202DE58[];
 
 static EWRAM_DATA_2 struct unkStruct_203B224 *gUnknown_203B224 = {0};
-static EWRAM_DATA_2 u16 gUnknown_203B228;
-static EWRAM_DATA_2 u16 gUnknown_203B22A;
+static EWRAM_DATA_2 u16 gUnknown_203B228 = {0};
+static EWRAM_DATA_2 u16 gUnknown_203B22A = {0};
 
 #include "data/kecleon_bros4.h"
 
diff --git a/src/sprite.c b/src/sprite.c
index 23d783cf4..e6839d5d3 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -3,25 +3,25 @@
 #include "random.h"
 #include "sprite.h"
 
-static EWRAM_DATA u16 sOAMSpriteCount; // Written to but never read
+static EWRAM_DATA u16 sOAMSpriteCount = {0}; // Written to but never read
 #ifndef NONMATCHING
 UNUSED // TODO: Remove the "UNUSED" attribute after sub_8004EA8 is done
 #endif
-static EWRAM_DATA s16 sUnknown_2025672[8];
+static EWRAM_DATA s16 sUnknown_2025672[8] = {0};
 #ifndef NONMATCHING
 UNUSED // TODO: Remove the "UNUSED" attribute after sub_8004EA8 is done
 #endif
-static EWRAM_DATA s16 sUnknown_2025682[9];
-static EWRAM_DATA Position sUnknown_2025694;
-static EWRAM_DATA u32 sUnknown_2025698;
-static EWRAM_DATA SpriteList sUnknown_20256A0;
-static EWRAM_DATA UnkSpriteLink sUnknown_2025EA8[128];
-static EWRAM_DATA SpriteOAM sUnknown_20262A8[128];
-static EWRAM_DATA s32 sSpriteCount; // 20266A8
-static EWRAM_DATA unkStruct_20266B0 sUnknown_20266B0[160];
-static EWRAM_DATA void *sCharMemCursor; // 2026E30
+static EWRAM_DATA s16 sUnknown_2025682[9] = {0};
+static EWRAM_DATA Position sUnknown_2025694 = {0};
+static EWRAM_DATA u32 sUnknown_2025698 = {0};
+static EWRAM_DATA SpriteList sUnknown_20256A0 = {0};
+static EWRAM_DATA UnkSpriteLink sUnknown_2025EA8[128] = {0};
+static EWRAM_DATA SpriteOAM sUnknown_20262A8[128] = {0};
+static EWRAM_DATA s32 sSpriteCount = {0}; // 20266A8
+static EWRAM_DATA unkStruct_20266B0 sUnknown_20266B0[160] = {0};
+static EWRAM_DATA void *sCharMemCursor = {0}; // 2026E30
 
-extern unkStruct_20266B0 *gUnknown_203B074;
+static EWRAM_DATA_2 unkStruct_20266B0 *sUnknown_203B074 = {0};
 
 // code.c
 extern void nullsub_3(s32, s32);
@@ -46,7 +46,7 @@ void ResetSprites(bool8 a0)
 
     sSpriteCount = 0;
     sCharMemCursor = OBJ_VRAM0;
-    gUnknown_203B074 = &sUnknown_20266B0[0];
+    sUnknown_203B074 = &sUnknown_20266B0[0];
 
     a = &sUnknown_20256A0.sprites[0];
     b = a + 1;
@@ -805,7 +805,7 @@ extern u32 RegisterSpriteParts_80052BC_end[0] asm("sCharMemCursor");
 void RegisterSpriteParts_80052BC(UnkSpriteMem *a0)
 {
     if (a0->byteCount) {
-        unkStruct_20266B0 **r5 = &gUnknown_203B074;
+        unkStruct_20266B0 **r5 = &sUnknown_203B074;
         void *r6 = RegisterSpriteParts_80052BC_end;
         void **r4 = &sCharMemCursor;
         do {
@@ -859,7 +859,7 @@ void RegisterSpriteParts_80052BC(UnkSpriteMem *a0)
     "\tpop {r0}\n"
     "\tbx r0\n"
     "\t.align 2, 0\n"
-"_080052F8: .4byte gUnknown_203B074\n"
+"_080052F8: .4byte sUnknown_203B074\n"
 "_080052FC: .4byte sCharMemCursor\n"
 "_08005300: .4byte sCharMemCursor");
 }
@@ -869,7 +869,7 @@ void sub_8005304(void)
 {
     unkStruct_20266B0 *s;
 
-    for (s = &sUnknown_20266B0[0]; s < gUnknown_203B074; s++) {
+    for (s = &sUnknown_20266B0[0]; s < sUnknown_203B074; s++) {
         if (s->src != NULL)
             CpuCopy(s->dest, s->src, s->byteCount);
         else
diff --git a/sym_ewram2.txt b/sym_ewram2.txt
index f7db081fe..879ed5904 100644
--- a/sym_ewram2.txt
+++ b/sym_ewram2.txt
@@ -20,8 +20,7 @@ gUnknown_203B040: /* 203B040 */
 
     .space 0x2
 
-gUnknown_203B074: /* 203B074 */
-	.space 0x4
+    .include "src/sprite.o"
 
 gUnknown_203B078: /* 203B078 */
 	.space 0x4