diff --git a/src/code_800029B0.c b/src/code_800029B0.c
index a351de8ec..1ab0983d9 100644
--- a/src/code_800029B0.c
+++ b/src/code_800029B0.c
@@ -35,7 +35,7 @@ s32 D_800DC5AC = 0;
 u16 D_800DC5B0 = 1;
 u16 D_800DC5B4 = 0;
 u16 D_800DC5B8 = 0;
-u16 D_800DC5BC = 0;
+u16 bFog = 0;
 u16 gIsInQuitToMenuTransition = 0;
 u16 gQuitToMenuTransitionCounter = 0;
 u16 D_800DC5C8 = 0;
@@ -153,9 +153,9 @@ UNUSED u8 D_80162578[sizeof(struct Actor)];
 
 s16 gDebugPathCount;
 s16 sIsController1Unplugged;
-s32 D_801625EC;
-s32 D_801625F0;
-s32 D_801625F4;
+s32 gFogRed;
+s32 gFogBlue;
+s32 gFogGreen;
 s32 D_801625F8;
 f32 D_801625FC;
 
@@ -299,7 +299,7 @@ void func_80003040(void) {
     Vec3f velocity = { 0, 0, 0 };
     Vec3s rotation = { 0, 0, 0 };
 
-    D_800DC5BC = 0;
+    bFog = 0;
     D_800DC5C8 = 0;
     gNumActors = 0;
     gIsMirrorMode = 0;
diff --git a/src/code_800029B0.h b/src/code_800029B0.h
index 0b7335383..39cc16f89 100644
--- a/src/code_800029B0.h
+++ b/src/code_800029B0.h
@@ -40,7 +40,7 @@ extern s32 D_800DC5AC;
 extern u16 D_800DC5B0;
 extern u16 D_800DC5B4;
 extern u16 D_800DC5B8;
-extern u16 D_800DC5BC;
+extern u16 bFog;
 extern u16 gIsInQuitToMenuTransition;
 extern u16 gQuitToMenuTransitionCounter;
 extern u16 D_800DC5C8;
@@ -137,9 +137,9 @@ extern u16 gNumPermanentActors;
 extern UNUSED u8 D_80162578[];
 extern s16 gDebugPathCount;
 extern s16 sIsController1Unplugged;
-extern s32 D_801625EC;
-extern s32 D_801625F0;
-extern s32 D_801625F4;
+extern s32 gFogRed;
+extern s32 gFogBlue;
+extern s32 gFogGreen;
 extern s32 D_801625F8;
 extern f32 D_801625FC;
 
diff --git a/src/ending/code_80280000.c b/src/ending/code_80280000.c
index 4460aa2e2..c974686aa 100644
--- a/src/ending/code_80280000.c
+++ b/src/ending/code_80280000.c
@@ -156,7 +156,7 @@ void load_credits(void) {
     D_8015F5A0 = 0;
     D_8015F58C = 0;
     gCollisionMeshCount = 0;
-    D_800DC5BC = 0;
+    bFog = 0;
     D_800DC5C8 = 0;
     gCollisionMesh = (CollisionTriangle*) gNextFreeMemoryAddress;
     camera->pos[0] = 1400.0f;
diff --git a/src/ending/code_80281780.c b/src/ending/code_80281780.c
index 0f303fa47..669f54ce4 100644
--- a/src/ending/code_80281780.c
+++ b/src/ending/code_80281780.c
@@ -124,7 +124,7 @@ void load_ceremony_cutscene(void) {
     D_8015F5A0 = 0;
     D_8015F58C = 0;
     gCollisionMeshCount = (u16) 0;
-    D_800DC5BC = (u16) 0;
+    bFog = (u16) 0;
     D_800DC5C8 = (u16) 0;
     gCollisionMesh = (CollisionTriangle*) gNextFreeMemoryAddress;
     //! @bug these segmented addresses need to be symbols for mobility
diff --git a/src/racing/actors.c b/src/racing/actors.c
index 92b13e784..a08f6c746 100644
--- a/src/racing/actors.c
+++ b/src/racing/actors.c
@@ -331,16 +331,16 @@ void func_80297340(Camera* arg0) {
     }
 
     if (temp < arg0->pos[2]) {
-        if (D_800DC5BC != 0) {
+        if (bFog != 0) {
 
-            gDPSetFogColor(gDisplayListHead++, D_801625EC, D_801625F4, D_801625F0, 0xFF);
+            gDPSetFogColor(gDisplayListHead++, gFogRed, gFogGreen, gFogBlue, 0xFF);
             gSPDisplayList(gDisplayListHead++, &D_0D001C20);
         } else {
             gSPDisplayList(gDisplayListHead++, &D_0D001B90);
         }
-    } else if (D_800DC5BC != 0) {
+    } else if (bFog != 0) {
 
-        gDPSetFogColor(gDisplayListHead++, D_801625EC, D_801625F4, D_801625F0, 0xFF);
+        gDPSetFogColor(gDisplayListHead++, gFogRed, gFogGreen, gFogBlue, 0xFF);
         gSPDisplayList(gDisplayListHead++, &D_0D001C88);
     } else {
         gSPDisplayList(gDisplayListHead++, &D_0D001BD8);
diff --git a/src/racing/render_courses.c b/src/racing/render_courses.c
index c9f171699..291e45d90 100644
--- a/src/racing/render_courses.c
+++ b/src/racing/render_courses.c
@@ -18,8 +18,8 @@
 #include "courses/all_course_packed.h"
 #include "courses/all_course_offsets.h"
 
-s16 D_802B87B0 = 995;
-s16 D_802B87B4 = 1000;
+s16 gFogMin = 995;
+s16 gFogMax = 1000;
 UNUSED s32 D_802B87B8 = 0;
 s32 D_802B87BC = 0;
 UNUSED s32 D_802B87C0 = 0;
@@ -648,8 +648,8 @@ void render_choco_mountain(struct UnkStruct_800DC5EC* arg0) {
         gSPDisplayList(gDisplayListHead++, ((uintptr_t) 0x07004608));
     }
     gDPSetCycleType(gDisplayListHead++, G_CYC_2CYCLE);
-    gDPSetFogColor(gDisplayListHead++, D_801625EC, D_801625F4, D_801625F0, 0xFF);
-    gSPFogPosition(gDisplayListHead++, D_802B87B0, D_802B87B4);
+    gDPSetFogColor(gDisplayListHead++, gFogRed, gFogGreen, gFogBlue, 0xFF);
+    gSPFogPosition(gDisplayListHead++, gFogMin, gFogMax);
 
     gDPPipeSync(gDisplayListHead++);
     gSPSetGeometryMode(gDisplayListHead++, G_FOG);
@@ -724,7 +724,7 @@ void render_banshee_boardwalk(struct UnkStruct_800DC5EC* arg0) {
     // d_course_banshee_boardwalk_packed_dl_7228
     gSPDisplayList(gDisplayListHead++, ((uintptr_t) 0x07007228));
 
-    gSPFogPosition(gDisplayListHead++, D_802B87B0, D_802B87B4);
+    gSPFogPosition(gDisplayListHead++, gFogMin, gFogMax);
 
     gDPPipeSync(gDisplayListHead++);
 
@@ -957,7 +957,7 @@ void render_moo_moo_farm(struct UnkStruct_800DC5EC* arg0) {
     gSPDisplayList(gDisplayListHead++, ((uintptr_t) 0x07004DF8));
     // d_course_moo_moo_farm_packed_dl_5640
     gSPDisplayList(gDisplayListHead++, ((uintptr_t) 0x07005640));
-    gSPFogPosition(gDisplayListHead++, D_802B87B0, D_802B87B4);
+    gSPFogPosition(gDisplayListHead++, gFogMin, gFogMax);
 
     render_course_segments((uintptr_t) moo_moo_farm_dls, arg0);
 
@@ -1016,9 +1016,9 @@ void render_toads_turnpike(struct UnkStruct_800DC5EC* arg0) {
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
-    gDPSetFogColor(gDisplayListHead++, D_801625EC, D_801625F4, D_801625F0, 0xFF);
+    gDPSetFogColor(gDisplayListHead++, gFogRed, gFogGreen, gFogBlue, 0xFF);
     gDPSetCycleType(gDisplayListHead++, G_CYC_2CYCLE);
-    gSPFogPosition(gDisplayListHead++, D_802B87B0, D_802B87B4);
+    gSPFogPosition(gDisplayListHead++, gFogMin, gFogMax);
     gSPSetGeometryMode(gDisplayListHead++, G_FOG);
     gDPSetCombineMode(gDisplayListHead++, G_CC_MODULATEI, G_CC_PASS2);
     gDPSetRenderMode(gDisplayListHead++, G_RM_FOG_SHADE_A, G_RM_AA_ZB_OPA_SURF2);
@@ -1465,7 +1465,7 @@ void course_generate_collision_mesh(void) {
     D_8015F58C = 0;
     gCollisionMeshCount = 0;
     gCollisionMesh = (CollisionTriangle*) gNextFreeMemoryAddress;
-    D_800DC5BC = 0;
+    bFog = 0;
     D_800DC5C8 = 0;
 #if !ENABLE_CUSTOM_COURSE_ENGINE
     switch (gCurrentCourseId) {
@@ -1484,12 +1484,12 @@ void course_generate_collision_mesh(void) {
             D_8015F8E4 = gCourseMinY - 10.0f;
             break;
         case COURSE_CHOCO_MOUNTAIN:
-            D_800DC5BC = 1;
-            D_801625EC = 255;
-            D_801625F4 = 255;
-            D_801625F0 = 255;
-            D_802B87B0 = 0x3E3;
-            D_802B87B4 = 0x3E8;
+            bFog = 1;
+            gFogRed = 255;
+            gFogGreen = 255;
+            gFogBlue = 255;
+            gFogMin = 0x3E3;
+            gFogMax = 0x3E8;
             D_802B87D4 = 0x71C;
             D_802B87D0 = 0xE38;
 
@@ -1522,10 +1522,10 @@ void course_generate_collision_mesh(void) {
             D_8015F8E4 = -50.0f;
             break;
         case COURSE_BANSHEE_BOARDWALK:
-            D_800DC5BC = 1;
-            D_801625EC = 0;
-            D_801625F4 = 0;
-            D_801625F0 = 0;
+            bFog = 1;
+            gFogRed = 0;
+            gFogGreen = 0;
+            gFogBlue = 0;
             parse_course_displaylists((uintptr_t) d_course_banshee_boardwalk_track_sections);
             func_80295C6C();
             // d_course_banshee_boardwalk_packed_dl_878
@@ -1571,11 +1571,11 @@ void course_generate_collision_mesh(void) {
             D_8015F8E4 = gCourseMinY - 10.0f;
             break;
         case COURSE_TOADS_TURNPIKE:
-            D_801625EC = 43;
-            D_801625F4 = 13;
-            D_801625F0 = 4;
-            D_802B87B0 = 993;
-            D_802B87B4 = 1000;
+            gFogRed = 43;
+            gFogGreen = 13;
+            gFogBlue = 4;
+            gFogMin = 993;
+            gFogMax = 1000;
             parse_course_displaylists((uintptr_t) d_course_toads_turnpike_addr);
             func_80295C6C();
             D_8015F8E4 = gCourseMinY - 10.0f;
diff --git a/src/racing/skybox_and_splitscreen.c b/src/racing/skybox_and_splitscreen.c
index 78f95fe7c..577c6afb5 100644
--- a/src/racing/skybox_and_splitscreen.c
+++ b/src/racing/skybox_and_splitscreen.c
@@ -371,37 +371,37 @@ struct Skybox sBottomSkyBoxColors[] = {
 void course_set_skybox_colours(Vtx* skybox) {
     s32 i;
 
-    if (D_800DC5BC != 0) {
+    if (bFog != 0) {
 
-        if (D_801625EC < 0) {
-            D_801625EC = 0;
+        if (gFogRed < 0) {
+            gFogRed = 0;
         }
 
-        if (D_801625F4 < 0) {
-            D_801625F4 = 0;
+        if (gFogGreen < 0) {
+            gFogGreen = 0;
         }
 
-        if (D_801625F0 < 0) {
-            D_801625F0 = 0;
+        if (gFogBlue < 0) {
+            gFogBlue = 0;
         }
 
-        if (D_801625EC > 255) {
-            D_801625EC = 255;
+        if (gFogRed > 255) {
+            gFogRed = 255;
         }
 
-        if (D_801625F4 > 255) {
-            D_801625F4 = 255;
+        if (gFogGreen > 255) {
+            gFogGreen = 255;
         }
 
-        if (D_801625F0 > 255) {
-            D_801625F0 = 255;
+        if (gFogBlue > 255) {
+            gFogBlue = 255;
         }
 
         for (i = 0; i < 8; i++) {
 
-            skybox[i].v.cn[0] = (s16) D_801625EC;
-            skybox[i].v.cn[1] = (s16) D_801625F4;
-            skybox[i].v.cn[2] = (s16) D_801625F0;
+            skybox[i].v.cn[0] = (s16) gFogRed;
+            skybox[i].v.cn[1] = (s16) gFogGreen;
+            skybox[i].v.cn[2] = (s16) gFogBlue;
         }
         return;
     }