diff --git a/include/structs.h b/include/structs.h
index e30e9a50..d6320cfc 100644
--- a/include/structs.h
+++ b/include/structs.h
@@ -654,8 +654,6 @@ typedef struct Object_Original {
     u8 unk1F7; // Used in func_8002A900
 } Object_Original;
 
-// from object_functions.c
-
 typedef struct Object_Laser {
 	s16 unk0;
 	u8  unk4[0x185];
@@ -676,6 +674,11 @@ typedef struct Object_Animator {
     /* 0x0A */ s16 ySpeed;
 } Object_Animator;
 
+typedef struct Object_Animation {
+  /* 0x00 */ u8 pad0[0x4A];
+  /* 0x4A */ s16 unk4A;
+} Object_Animation;
+
 typedef struct Object_WeaponBalloon {
     f32 unk0;
     s16 unk4;
@@ -696,8 +699,6 @@ typedef struct Object_Butterfly {
   /* 0x108 */ f32 unk108;
 } Object_Butterfly;
 
-// from object_functions.h
-
 typedef struct Object_EffectBox {
     u8 pad0[0x1FE];
     u8 unk1FE;
@@ -856,7 +857,16 @@ typedef struct Object_Racer {
   /* 0x02A */ u16 unk2A;
   /* 0x02C */ f32 velocity;
   /* 0x030 */ f32 lateral_velocity;
-  /* 0x034 */ u8 pad34[0x28];
+  /* 0x034 */ u8 pad[0x4];
+  /* 0x038 */ f32 ox1;
+  /* 0x03C */ f32 oy1;
+  /* 0x040 */ f32 oz1;
+  /* 0x044 */ f32 ox2;
+  /* 0x048 */ f32 oy2;
+  /* 0x04C */ f32 oz2;
+  /* 0x050 */ f32 ox3;
+  /* 0x054 */ f32 oy3;
+  /* 0x058 */ f32 oz3;
   /* 0x05C */ f32 prev_x_position;
   /* 0x060 */ f32 prev_y_position;
   /* 0x064 */ f32 prev_z_position;
@@ -873,14 +883,16 @@ typedef struct Object_Racer {
   /* 0x0B8 */ f32 brake;
   /* 0x0BC */ u8 padBC[0x4C];
   /* 0x108 */ s32 unk108;
-  /* 0x10C */ u8 pad10C[0x1C];
+  /* 0x10C */ u8 pad10C[0xC];
+  /* 0x118 */ s32 unk118;
+  /* 0x11C */ u8 pad11C[0xC];
   /* 0x128 */ u32 lap_times[3];
   /* 0x134 */ u8 pad134[0x10];
   /* 0x144 */ struct Object *held_obj;
   /* 0x148 */ struct Object *unk148;
   /* 0x14C */ struct Object *unk14C;
   /* 0x150 */ u8 pad150[0x4];
-  /* 0x154 */ s32 unk154;
+  /* 0x154 */ struct Object *unk154;
   /* 0x158 */ u8 pad158[0x1A];
   /* 0x172 */ u8 balloon_type;
   /* 0x173 */ u8 balloon_quantity;
@@ -889,31 +901,40 @@ typedef struct Object_Racer {
   /* 0x183 */ s8 unk183;
   /* 0x184 */ s8 pad184;
   /* 0x185 */ s8 bananas;
-  /* 0x186 */ u8 pad186[0x1A];
+  /* 0x186 */ u8 unk186;
+  /* 0x187 */ s8 unk187;
+  /* 0x188 */ u8 pad188[0x4];
+  /* 0x18C */ s16 unk18C;
+  /* 0x18E */ s16 unk18E;
+  /* 0x190 */ u8 pad190[0x10];
   /* 0x1A0 */ s16 unk1A0;
   /* 0x1A2 */ s16 unk1A2;
   /* 0x1A4 */ s16 unk1A4;
-  /* 0x1A6 */ u8 pad1A6[0x24];
+  /* 0x1A6 */ u8 pad1A6[0x23];
+  /* 0x1C9 */ u8 unk1C9;
   /* 0x1CA */ s8 unk1CA;
   /* 0x1CB */ u8 pad1CB[0x3];
   /* 0x1CE */ u8 unk1CE;
   /* 0x1CF */ u8 pad1CF[0x4];
   /* 0x1D3 */ s8 unk1D3;
-  /* 0x1D4 */ u8 pad1D4[0x4];
+  /* 0x1D4 */ u8 pad1D4[0x2];
+  /* 0x1D6 */ s8 unk1D6;
+  /* 0x1D7 */ s8 unk1D7;
   /* 0x1D8 */ s8 unk1D8;
   /* 0x1D9 */ u8 pad1D9[0x2];
-  /* 0x1DB */ u8 spinout_timer;
+  /* 0x1DB */ s8 spinout_timer;
   /* 0x1DC */ u8 wheel_surfaces[4];
-  /* 0x1E0 */ u8 pad1E0[0x2];
+  /* 0x1E0 */ u8 pad1E0[0x1];
+  /* 0x1E1 */ s8 unk1E1;
   /* 0x1E2 */ s8 unk1E2;
   /* 0x1E3 */ u8 pad1E3[0x3];
-  /* 0x1E6 */ u8 drift_direction;
+  /* 0x1E6 */ s8 drift_direction;
   /* 0x1E7 */ u8 pad1E7[0x6];
   /* 0x1ED */ s8 squish_timer;
   /* 0x1EE */ u8 pad1EE[0x1];
   /* 0x1EF */ u8 boost_sound;
   /* 0x1F0 */ u8 pad1F0[0x2];
-  /* 0x1F2 */ s8 unk1F2;
+  /* 0x1F2 */ u8 unk1F2;
   /* 0x1F3 */ u8 pad1F3[0x2];
   /* 0x1F5 */ u8 unk1F5;
   /* 0x1F6 */ u8 pad1F6[0x1];
@@ -924,11 +945,13 @@ typedef struct Object_Racer {
   /* 0x200 */ s8 unk200;
   /* 0x201 */ u8 pad201[0x2];
   /* 0x203 */ s8 unk203;
-  /* 0x204 */ u8 pad204[0x8];
+  /* 0x204 */ s16 unk204;
+  /* 0x206 */ u8 pad206[0x6];
   /* 0x20C */ u8 unk20C;
   /* 0x20D */ u8 pad20D[0x1];
-  /* 0x20E */ u16 unk20E;
-  /* 0x210 */ u8 pad210[0x3];
+  /* 0x20E */ s16 unk20E;
+  /* 0x210 */ s8 unk210;
+  /* 0x211 */ u8 pad211[0x2];
   /* 0x213 */ s8 unk213;
   /* 0x214 */ s8 unk214;
   /* 0x215 */ s8 unk215;
@@ -1039,7 +1062,9 @@ typedef struct Object_Banana {
     struct Object *spawner;
 } Object_Banana;
 
-// from racer.c
+typedef struct Object_FogChanger {
+    s16 unk0;
+} Object_FogChanger;
 
 typedef struct Object_64 {
     union {
@@ -1047,6 +1072,7 @@ typedef struct Object_64 {
         Object_Laser laser;
         Object_TrophyCabinet trophy_cabinet;
         Object_Animator animator;
+        Object_Animation animation;
         Object_WeaponBalloon weapon_balloon;
         Object_Butterfly butterfly;
         Object_EffectBox effect_box;
@@ -1077,6 +1103,7 @@ typedef struct Object_64 {
         Object_MidiFadePoint midi_fade_point;
         Object_PosArrow pos_arrow;
         Object_Banana banana;
+        Object_FogChanger fog_changer;
     };
 } Object_64;
 
diff --git a/src/object_functions.c b/src/object_functions.c
index 0246d7a4..a867be8a 100644
--- a/src/object_functions.c
+++ b/src/object_functions.c
@@ -1149,7 +1149,7 @@ GLOBAL_ASM("asm/non_matchings/unknown_032760/obj_loop_animator.s")
 #endif
 
 void obj_init_animation(Object *obj, LevelObjectEntry_Animation *entry, s32 arg2) {
-    Object_64_Animation* obj64;
+    Object_Animation* obj64;
     Object* sp24;
     s8 tempOrderIndex;
     f32 scalef;
@@ -1200,7 +1200,7 @@ void obj_init_animation(Object *obj, LevelObjectEntry_Animation *entry, s32 arg2
     if (((func_8001E440() == entry->channel) || (entry->channel == 20)) && (obj->unk64 == NULL) && (entry->order == 0) && (entry->objectIdToSpawn != -1)) {
         func_8001F23C(obj, entry);
     }
-    obj64 = (Object_64_Animation*)obj->unk64;
+    obj64 = &obj->unk64->animation;
     if (obj->unk64 != 0) { 
         func_8001EFA4(obj, obj64);
         if (entry->order != 0 || obj64->unk4A != entry->objectIdToSpawn) {
diff --git a/src/object_functions.h b/src/object_functions.h
index 6d279628..baee3195 100644
--- a/src/object_functions.h
+++ b/src/object_functions.h
@@ -211,8 +211,6 @@ typedef struct Object_50_Scenery {
 
 //void func_80072348(s16 obj, u8 arg1);
 
-typedef Object Object_64_Animation;
-
 typedef struct unk80041A90_MidiFade {
     s16 unk0; // Y rotation
     s16 unk2; // X rotation
@@ -375,7 +373,7 @@ void func_8000CBF0(Object*, s32);
 
 
 void func_8001EE74();
-void func_8001EFA4(Object*, Object_64_Animation*);
+void func_8001EFA4(Object*, Object_Animation*);
 void func_8001F23C(Object *obj, LevelObjectEntry_Animation *entry);
 s32 func_8001F3EC(s32);
 s32 func_80021600(s32);
diff --git a/src/racer.c b/src/racer.c
index 5ad03d6e..f50c652e 100644
--- a/src/racer.c
+++ b/src/racer.c
@@ -287,7 +287,7 @@ GLOBAL_ASM("asm/non_matchings/racer/func_800494E0.s")
 GLOBAL_ASM("asm/non_matchings/racer/func_80049794.s")
 
 // Something Plane related.
-void func_8004C0A0(s32 arg0, Object *planeObj, Object_64_8004C0A0 *planeObj64) {
+void func_8004C0A0(s32 arg0, Object *planeObj, Object_Racer *planeObj64) {
     s32 temp_v1;
     s32 phi_v0;
 
@@ -322,13 +322,13 @@ void func_8004C0A0(s32 arg0, Object *planeObj, Object_64_8004C0A0 *planeObj64) {
     }
 }
 
-void func_8004C140(Object *obj, Object_64_8004C140 *obj64) {
+void func_8004C140(Object *obj, Object_Racer *obj64) {
     s8 phi_v1;
     s8 temp;
-    if (obj64->unk0 == -1) {
+    if (obj64->playerIndex == -1) {
         phi_v1 = 0;
     } else {
-        phi_v1 = obj64->unk185;
+        phi_v1 = obj64->bananas;
     }
     temp = obj64->unk187;
     if (temp == 0 || obj64->unk18E > 0) {
@@ -348,16 +348,16 @@ void func_8004C140(Object *obj, Object_64_8004C140 *obj64) {
             case 1:
             case 2:
                 if (phi_v1 != 0) {
-                    obj64->unk1DB = 0x28;
+                    obj64->spinout_timer = 0x28;
                 } else {
-                    obj64->unk1DB = 0x3C;
+                    obj64->spinout_timer = 0x3C;
                 }
                 break;
             case 3:
                 if (phi_v1 != 0) {
-                    obj64->unk1DB = 0x28;
+                    obj64->spinout_timer = 0x28;
                 } else {
-                    obj64->unk1DB = 0x3C;
+                    obj64->spinout_timer = 0x3C;
                 }
                 break;
             case 6:
@@ -374,7 +374,7 @@ GLOBAL_ASM("asm/non_matchings/racer/func_8004C2B0.s")
 GLOBAL_ASM("asm/non_matchings/racer/func_8004CC20.s")
 GLOBAL_ASM("asm/non_matchings/racer/func_8004D590.s")
 
-void func_8004D95C(s32 arg0, s32 arg1, Object *obj, Object_64_8004D95C *obj64) {
+void func_8004D95C(s32 arg0, s32 arg1, Object *obj, Object_Racer *obj64) {
     s16 sp26;
 
     if (obj64->unk118 != 0) {
@@ -389,14 +389,14 @@ void func_8004D95C(s32 arg0, s32 arg1, Object *obj, Object_64_8004D95C *obj64) {
     obj64->unk1D6 = obj64->unk1D7;
     obj->segment.unk3B = 0;
     if (obj64->unk1D6 == 0xA) {
-        if (obj64->someObject != NULL) {
-            obj64->someObject->segment.trans.x_position = obj->segment.trans.x_position;
-            obj64->someObject->segment.trans.y_position = obj->segment.trans.y_position;
-            obj64->someObject->segment.trans.z_position = obj->segment.trans.z_position;
-            obj64->someObject->segment.unk2C.half.lower = obj->segment.unk2C.half.lower;
-            obj64->someObject->segment.trans.y_rotation = obj->segment.trans.y_rotation;
-            obj64->someObject->segment.trans.x_rotation = obj->segment.trans.x_rotation;
-            obj64->someObject->segment.trans.z_rotation = obj->segment.trans.z_rotation;
+        if (obj64->unk154 != NULL) {
+            obj64->unk154->segment.trans.x_position = obj->segment.trans.x_position;
+            obj64->unk154->segment.trans.y_position = obj->segment.trans.y_position;
+            obj64->unk154->segment.trans.z_position = obj->segment.trans.z_position;
+            obj64->unk154->segment.unk2C.half.lower = obj->segment.unk2C.half.lower;
+            obj64->unk154->segment.trans.y_rotation = obj->segment.trans.y_rotation;
+            obj64->unk154->segment.trans.x_rotation = obj->segment.trans.x_rotation;
+            obj64->unk154->segment.trans.z_rotation = obj->segment.trans.z_rotation;
             obj->segment.unk3B = 0;
             obj->segment.unk18 = sp26 + arg0;
             func_80061C0C(obj);
@@ -553,9 +553,9 @@ void func_80052988(Object *arg0, Object_64 *arg1, s32 arg2, s32 arg3, s32 arg4,
 GLOBAL_ASM("asm/non_matchings/racer/func_80052B64.s")
 GLOBAL_ASM("asm/non_matchings/racer/func_80052D7C.s")
 
-void func_80053478(Object_64_80053478 *obj) {
+void func_80053478(Object_Racer *obj) {
     s32 phi_v0;
-    f32 phi_f0 = obj->unk2C;
+    f32 phi_f0 = obj->velocity;
 
     if (phi_f0 < 0.0) {
         phi_f0 = -phi_f0;
@@ -567,13 +567,13 @@ void func_80053478(Object_64_80053478 *obj) {
     if (phi_f0 < 0.0) {
         phi_f0 = 0.0f;
     }
-    if (obj->unk1E6 != 0) {
+    if (obj->drift_direction != 0) {
         phi_v0 = phi_f0 * 68.0f;
     } else {
         phi_v0 = phi_f0 * 58.0f;
     }
     D_8011D554 -= (obj->unk1E1 * phi_v0);
-    if (obj->unk2C > 0.0f) {
+    if (obj->velocity > 0.0f) {
         D_8011D554 = -D_8011D554;
     }
 }
@@ -643,7 +643,7 @@ void func_80057048(Object *obj, s32 arg1) {
 }
 
 void func_800570A4(Object *obj, s32 arg1, s32 arg2) {
-    Object_64_unk800570A4 *temp = obj->unk64;
+    Object_Racer *temp = &obj->unk64->racer;
     temp->unk20E = arg1;
     temp->unk210 = arg2;
 }
@@ -685,7 +685,7 @@ GLOBAL_ASM("asm/non_matchings/racer/func_800570B8.s")
 
 GLOBAL_ASM("asm/non_matchings/racer/func_80057220.s")
 
-void func_800575EC(Object *obj, Object_64_800575EC *obj64) {
+void func_800575EC(Object *obj, Object_Racer *obj64) {
     Matrix mf;
 
     D_8011D510.y_rotation = obj->segment.trans.y_rotation;
@@ -723,7 +723,7 @@ void func_800579B0(unk800579B0 *arg0, UNUSED s32 arg1, f32 arg2) {
 
 GLOBAL_ASM("asm/non_matchings/racer/func_80057A40.s")
 
-void func_800580B4(Object *obj, Object_64_800580B4 *obj64, s32 arg2, f32 arg3) {
+void func_800580B4(Object *obj, Object_Racer *obj64, s32 arg2, f32 arg3) {
     f32 xPos, yPos, zPos;
     if ((D_8011D55C != -1) && (obj64->unk1D8 != 1)) {
         if (arg2 != gCameraObject->unk36) {
diff --git a/src/racer.h b/src/racer.h
index 02a9d625..d7ba0de7 100644
--- a/src/racer.h
+++ b/src/racer.h
@@ -22,45 +22,6 @@ typedef struct ObjectCamera {
 /* 0x0036 */ s16 unk36;
 } ObjectCamera;
 
-/* Unknown size */
-typedef struct Object_64_8004C0A0 {
-    u8 pad0[0x1D7];
-    s8 unk1D7;
-    u8 pad1D8[9];
-    s8 unk1E1;
-    u8 pad1E2[0x10];
-    u8 unk1F2;
-} Object_64_8004C0A0;
-
-typedef struct Object_64_8004C140 {
-    s16 unk0;
-    u8 pad2[0x183];
-    s8 unk185;
-    u8 unk186;
-    s8 unk187;
-    u8 pad188[4];
-    s16 unk18C;
-    s16 unk18E;
-    u8 pad190[0x39];
-    u8 unk1C9;
-    u8 pad1CA[0xC];
-    s8 unk1D6;
-    u8 pad1D7[4];
-    s8 unk1DB;
-    u8 pad1DC[0x28];
-    s16 unk204;
-} Object_64_8004C140;
-
-typedef struct Object_64_8004D95C {
-    u8 unk0[0x118];
-    s32 unk118;
-    u8 unk11C[0x38];
-    Object *someObject;
-    u8 unk158[0x7E];
-    s8 unk1D6;
-    s8 unk1D7;
-} Object_64_8004D95C;
-
 typedef struct unk8004F77C {
     u8 unk0[0x20A];
     u8 unk20A;
@@ -72,15 +33,6 @@ typedef struct unk8005234C {
     s16 unk16C;
 } unk8005234C;
 
-typedef struct Object_64_80053478 {
-    u8 unk0[0x2C];
-    f32 unk2C;
-    u8 unk30[0x1B1];
-    s8 unk1E1;
-    u8 unk1E2[4];
-    s8 unk1E6;
-} Object_64_80053478;
-
 /* Unknown Size */
 typedef struct unk800535C4 {
     s16 unk0;
@@ -99,46 +51,18 @@ typedef struct unk800535C4_2 {
     /* 0x1A4 */ s16 unk1A4;
 } unk800535C4_2;
 
-/* Unknown Size */
-typedef struct Object_64_unk800570A4 {
-    u8 unk0[0x108];
-    s32 unk108;
-    u8 unk10C[0x102];
-    s16 unk20E;
-    s8 unk210;
-} Object_64_unk800570A4;
-
 /* Unknown Size */
 typedef struct unk80056930 {
     u8 unk0[0x3];
     s8 unk3;
 } unk80056930;
 
-/* Unknown size */
-typedef struct Object_64_800575EC {
-    /* 0x00 */ u8 pad0[0x38];
-    /* 0x38 */ f32 ox1;
-    /* 0x3C */ f32 oy1;
-    /* 0x40 */ f32 oz1;
-    /* 0x44 */ f32 ox2;
-    /* 0x48 */ f32 oy2;
-    /* 0x4C */ f32 oz2;
-    /* 0x50 */ f32 ox3;
-    /* 0x54 */ f32 oy3;
-    /* 0x58 */ f32 oz3;
-} Object_64_800575EC;
-
 /* Unknown Size */
 typedef struct unk800579B0 {
     u8 unk0[0x1E1];
     s8 unk1E1;
 } unk800579B0;
 
-typedef struct Object_64_800580B4 {
-    u8 unk0[0x1D8];
-    s8 unk1D8;
-} Object_64_800580B4;
-
 /* Unknown Size */
 typedef struct unk8005C270 {
     u8 unk0[0x190];
@@ -198,23 +122,23 @@ void func_8006FC30(Matrix, ObjectTransform *); // asm func
 void func_8006FE74(Matrix *, ObjectTransform *); // Non Matching ?
 
 s32 func_80044450(s32 arg0);
-void func_8004C0A0(s32 arg0, Object *planeObj, Object_64_8004C0A0 *planeObj64);
-void func_8004C140(Object *obj, Object_64_8004C140 *obj64);
-void func_8004D95C(s32 arg0, s32 arg1, Object *obj, Object_64_8004D95C *obj64);
+void func_8004C0A0(s32 arg0, Object *planeObj, Object_Racer *planeObj64);
+void func_8004C140(Object *obj, Object_Racer *obj64);
+void func_8004D95C(s32 arg0, s32 arg1, Object *obj, Object_Racer *obj64);
 void func_8004F77C(unk8004F77C *arg0);
 s32 func_80052188(void);
 void func_800521B8(s32 arg0);
 void func_8005234C(unk8005234C *arg0);
 void func_80052988(Object *arg0, Object_64 *arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5, s32 arg6, s32 arg7);
-void func_80053478(Object_64_80053478 *obj);
+void func_80053478(Object_Racer *obj);
 void func_800535C4(unk800535C4 *arg0, unk800535C4_2 *arg1);
 void func_80053664(Object_64 *arg0);
 void play_char_horn_sound(Object *obj, Object_64 *obj64);
 void func_80057048(Object *obj, s32 arg1);
 void func_800570A4(Object *obj, s32 arg1, s32 arg2);
-void func_800575EC(Object *obj, Object_64_800575EC *obj64);
+void func_800575EC(Object *obj, Object_Racer *obj64);
 void func_800579B0(unk800579B0 *arg0, s32 arg1, f32 arg2);
-void func_800580B4(Object *obj, Object_64_800580B4 *obj64, s32 arg2, f32 arg3);
+void func_800580B4(Object *obj, Object_Racer *obj64, s32 arg2, f32 arg3);
 void get_timestamp_from_frames(s32 frameCount, s32 *minutes, s32 *seconds, s32 *hundredths);
 void func_800598D0(void);
 void func_80059944(void);
@@ -233,7 +157,7 @@ void func_8005C25C(void);
 //Non Matching
 void set_ghost_position_and_rotation(Object *obj);
 void func_800570B8(Object *obj, s32 arg1, s32 arg2, s32 arg3);
-void func_800576E0(Object *obj, Object_64_8004C140 *obj64, s32 arg2);
-void func_80057A40(Object *obj, Object_64_800580B4 *obj64, f32 arg2);
+void func_800576E0(Object *obj, Object_Racer *obj64, s32 arg2);
+void func_80057A40(Object *obj, Object_Racer *obj64, f32 arg2);
 
 #endif
diff --git a/src/unknown_0255E0.c b/src/unknown_0255E0.c
index f69ce029..252c9a5c 100644
--- a/src/unknown_0255E0.c
+++ b/src/unknown_0255E0.c
@@ -1178,10 +1178,6 @@ void func_8003093C(s32 arg0) {
 #ifdef NON_EQUIVALENT
 //unk8011D388 D_8011D388[4];
 
-typedef struct Object_64_FogChanger {
-    s16 unk0;
-} Object_64_FogChanger;
-
 typedef struct Object_3C_FogChanger {
     u8 pad0[0x2];
     s16 unk2;
@@ -1227,7 +1223,7 @@ void obj_loop_fogchanger(Object* obj) {
         index = -1;
         if (sp40 != NULL) {
             tempObj = sp40[i]; // Might be a player object?
-            temp_v0 = ((Object_64_FogChanger*)tempObj->unk64)->unk0;
+            temp_v0 = tempObj->unk64->fog_changer.unk0;
             if ((temp_v0 >= 0) && (temp_v0 < MAXCONTROLLERS) && (obj != D_8011D388[i].unk34)) {
                 index = temp_v0;
                 x = tempObj->segment.trans.x_position;