diff --git a/lib/spl/include/spl_random.h b/lib/spl/include/spl_random.h
index c2da6d28e9..5759e201cf 100644
--- a/lib/spl/include/spl_random.h
+++ b/lib/spl/include/spl_random.h
@@ -1,9 +1,12 @@
 #ifndef SPL_RANDOM_H
 #define SPL_RANDOM_H
 
+#include <nitro/types.h>
+#include <nitro/fx/fx_vec.h>
+
 extern u32 gSPLRandomState;
 
-void sub_020A2354(VecFx32 *vec);
-void sub_020A23B0(VecFx32 *vec);
+void SPLRandom_VecFx32(VecFx32 *vec);
+void SPLRandom_VecFx32_XY(VecFx32 *vec);
 
 #endif // SPL_RANDOM_H
diff --git a/lib/spl/meson.build b/lib/spl/meson.build
index 2b920d70cc..23f5bcae43 100644
--- a/lib/spl/meson.build
+++ b/lib/spl/meson.build
@@ -22,7 +22,7 @@ libspl_srcs = files(
     'src/unk_020A19F0.c',
     'src/unk_020A1E30.c',
     'src/spl_list.c',
-    'src/unk_020A2354.c'
+    'src/spl_random.c'
 )
 
 libspl = static_library('spl',
diff --git a/lib/spl/src/unk_020A2354.c b/lib/spl/src/spl_random.c
similarity index 75%
rename from lib/spl/src/unk_020A2354.c
rename to lib/spl/src/spl_random.c
index 274a11fbc7..8c2bce6499 100644
--- a/lib/spl/src/unk_020A2354.c
+++ b/lib/spl/src/spl_random.c
@@ -1,10 +1,8 @@
 #include "spl.h"
 
-#include <nitro/fx/fx.h>
-
 u32 gSPLRandomState;
 
-void sub_020A23B0(VecFx32 *vec)
+void SPLRandom_VecFx32(VecFx32 *vec)
 {
     vec->x = rng_next_fx32(8);
     vec->y = rng_next_fx32(8);
@@ -12,7 +10,7 @@ void sub_020A23B0(VecFx32 *vec)
     VEC_Normalize(vec, vec);
 }
 
-void sub_020A2354(VecFx32 *vec)
+void SPLRandom_VecFx32_XY(VecFx32 *vec)
 {
     vec->x = rng_next_fx32(8);
     vec->y = rng_next_fx32(8);
diff --git a/lib/spl/src/unk_020A05BC.c b/lib/spl/src/unk_020A05BC.c
index 5c73b38247..f99a877dc1 100644
--- a/lib/spl/src/unk_020A05BC.c
+++ b/lib/spl/src/unk_020A05BC.c
@@ -104,7 +104,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
                 break;
 
             case 1:
-                sub_020A23B0(&ptcl->unk_08);
+                SPLRandom_VecFx32(&ptcl->unk_08);
                 ptcl->unk_08.x = FX_MUL(ptcl->unk_08.x, emtr->unk_CC);
                 ptcl->unk_08.y = FX_MUL(ptcl->unk_08.y, emtr->unk_CC);
                 ptcl->unk_08.z = FX_MUL(ptcl->unk_08.z, emtr->unk_CC);
@@ -112,7 +112,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
 
             case 2: {
                 VecFx32 pos;
-                sub_020A2354(&pos);
+                SPLRandom_VecFx32_XY(&pos);
                 pos.x = FX_MUL(pos.x, emtr->unk_CC);
                 pos.y = FX_MUL(pos.y, emtr->unk_CC);
                 pos.z = 0;
@@ -132,7 +132,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
             } break;
 
             case 4:
-                sub_020A23B0(&ptcl->unk_08);
+                SPLRandom_VecFx32(&ptcl->unk_08);
                 ptcl->unk_08.x = FX_MUL(FX_MUL(ptcl->unk_08.x, emtr->unk_CC), (rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
                 ptcl->unk_08.y = FX_MUL(FX_MUL(ptcl->unk_08.y, emtr->unk_CC), (rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
                 ptcl->unk_08.z = FX_MUL(FX_MUL(ptcl->unk_08.z, emtr->unk_CC), (rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
@@ -140,7 +140,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
 
             case 5: {
                 VecFx32 pos;
-                sub_020A2354(&pos);
+                SPLRandom_VecFx32_XY(&pos);
                 pos.x = FX_MUL(FX_MUL(pos.x, emtr->unk_CC), ((fx32)rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
                 pos.y = FX_MUL(FX_MUL(pos.y, emtr->unk_CC), ((fx32)rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
                 sub_020A1608(&ptcl->unk_08, &pos, emtr);
@@ -149,7 +149,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
             case 8: {
                 VecFx32 pos;
                 VecFx16 tmpUnitVec;
-                sub_020A23B0(&ptcl->unk_08);
+                SPLRandom_VecFx32(&ptcl->unk_08);
                 VEC_Fx16CrossProduct(&emtr->unk_F4, &emtr->unk_FA, &tmpUnitVec);
                 pos.x = tmpUnitVec.x;
                 pos.y = tmpUnitVec.y;
@@ -168,7 +168,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
             case 9: {
                 VecFx32 pos;
                 VecFx16 tmpUnitVec;
-                sub_020A23B0(&ptcl->unk_08);
+                SPLRandom_VecFx32(&ptcl->unk_08);
                 VEC_Fx16CrossProduct(&emtr->unk_F4, &emtr->unk_FA, &tmpUnitVec);
                 pos.x = tmpUnitVec.x;
                 pos.y = tmpUnitVec.y;
@@ -186,7 +186,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
 
             case 6: {
                 VecFx32 pos;
-                sub_020A2354(&ptcl->unk_14);
+                SPLRandom_VecFx32_XY(&ptcl->unk_14);
                 pos.x = FX_MUL(ptcl->unk_14.x, emtr->unk_CC);
                 pos.y = FX_MUL(ptcl->unk_14.y, emtr->unk_CC);
                 pos.z = (emtr->unk_D0 * rng_next_s32(0x17) - emtr->unk_D0 * 256) >> 8;
@@ -195,7 +195,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
 
             case 7: {
                 VecFx32 pos;
-                sub_020A2354(&ptcl->unk_14);
+                SPLRandom_VecFx32_XY(&ptcl->unk_14);
                 pos.x = FX_MUL(FX_MUL(ptcl->unk_14.x, emtr->unk_CC), ((fx32)rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
                 pos.y = FX_MUL(FX_MUL(ptcl->unk_14.y, emtr->unk_CC), ((fx32)rng_next_s32(0x17) * FX32_ONE - 0x100000) >> 8);
                 pos.z = (emtr->unk_D0 * (fx32)rng_next_s32(0x17) - emtr->unk_D0 * 256) >> 8;
@@ -215,7 +215,7 @@ void sub_020A08DC(SPLEmitter *emtr, SPLList *list)
 
                 VEC_Normalize(&tmp, &posNorm);
             } else if (ptcl->unk_08.x == 0 && ptcl->unk_08.y == 0 && ptcl->unk_08.z == 0) {
-                sub_020A23B0(&posNorm);
+                SPLRandom_VecFx32(&posNorm);
             } else {
                 VEC_Normalize(&ptcl->unk_08, &posNorm);
             }