diff --git a/asm/non_matching/object20/sub_080878CC.inc b/asm/non_matching/object20/sub_080878CC.inc
new file mode 100644
index 00000000..fb452339
--- /dev/null
+++ b/asm/non_matching/object20/sub_080878CC.inc
@@ -0,0 +1,104 @@
+	.syntax unified
+	push {r4, r5, r6, r7, lr}
+	mov r7, sl
+	mov r6, sb
+	mov r5, r8
+	push {r5, r6, r7}
+	sub sp, #0x10
+	adds r7, r0, #0
+	movs r1, #0x2e
+	ldrsh r0, [r7, r1]
+	str r0, [sp]
+	movs r0, #0x32
+	ldrsh r2, [r7, r0]
+	str r2, [sp, #4]
+	adds r0, r7, #0
+	adds r0, #0x38
+	ldrb r0, [r0]
+	mov r8, r0
+	movs r0, #0x10
+	rsbs r0, r0, #0
+	mov r1, r8
+	lsls r1, r1, #0x18
+	str r1, [sp, #8]
+_080878F8:
+	movs r2, #0x10
+	rsbs r2, r2, #0
+	mov sb, r2
+	ldr r1, [sp]
+	adds r1, r1, r0
+	mov sl, r1
+	adds r0, #0x10
+	str r0, [sp, #0xc]
+	mov r6, sl
+_0808790A:
+	ldr r2, _0808795C @ =gRoomControls
+	ldrh r0, [r2, #6]
+	subs r0, r6, r0
+	lsrs r4, r0, #4
+	movs r0, #0x3f
+	ands r4, r0
+	ldr r5, [sp, #4]
+	add r5, sb
+	ldrh r0, [r2, #8]
+	subs r0, r5, r0
+	lsrs r0, r0, #4
+	movs r1, #0x3f
+	ands r0, r1
+	lsls r0, r0, #6
+	orrs r4, r0
+	adds r0, r4, #0
+	ldr r2, [sp, #8]
+	lsrs r1, r2, #0x18
+	bl sub_080B1AE0
+	cmp r0, #0x2e
+	bne _08087970
+	adds r0, r4, #0
+	mov r1, r8
+	bl GetTileType
+	adds r1, r0, #0
+	movs r0, #0xda
+	lsls r0, r0, #2
+	cmp r1, r0
+	bhi _08087960
+	subs r0, #1
+	cmp r1, r0
+	blo _08087960
+	adds r0, r7, #0
+	movs r1, #3
+	adds r2, r6, #0
+	adds r3, r5, #0
+	bl sub_08008796
+	b _0808797C
+	.align 2, 0
+_0808795C: .4byte gRoomControls
+_08087960:
+	ldr r0, _0808796C @ =0x00004022
+	adds r1, r4, #0
+	mov r2, r8
+	bl SetTile
+	b _0808797C
+	.align 2, 0
+_0808796C: .4byte 0x00004022
+_08087970:
+	adds r0, r7, #0
+	movs r1, #3
+	mov r2, sl
+	adds r3, r5, #0
+	bl sub_08008796
+_0808797C:
+	movs r0, #0x10
+	add sb, r0
+	mov r1, sb
+	cmp r1, #0x10
+	ble _0808790A
+	ldr r0, [sp, #0xc]
+	cmp r0, #0x10
+	ble _080878F8
+	add sp, #0x10
+	pop {r3, r4, r5}
+	mov r8, r3
+	mov sb, r4
+	mov sl, r5
+	pop {r4, r5, r6, r7, pc}
+	.syntax divided
diff --git a/asm/object/object20.s b/asm/object/object20.s
deleted file mode 100644
index 58011c8e..00000000
--- a/asm/object/object20.s
+++ /dev/null
@@ -1,212 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start Object20
-Object20: @ 0x0808780C
-	push {lr}
-	ldr r2, _08087820 @ =gUnk_08120A28
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_08087820: .4byte gUnk_08120A28
-
-	thumb_func_start sub_08087824
-sub_08087824: @ 0x08087824
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r0, #0x38
-	ldrb r0, [r0]
-	cmp r0, #0
-	bne _08087836
-	adds r0, r4, #0
-	bl ResolveCollisionLayer
-_08087836:
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldrb r1, [r4, #0x10]
-	movs r0, #0x80
-	orrs r0, r1
-	strb r0, [r4, #0x10]
-	adds r1, r4, #0
-	adds r1, #0x3c
-	movs r0, #0x13
-	strb r0, [r1]
-	adds r1, #9
-	movs r0, #0xff
-	strb r0, [r1]
-	subs r1, #6
-	movs r0, #0xa9
-	strb r0, [r1]
-	adds r1, #1
-	movs r0, #0x16
-	strb r0, [r1]
-	ldr r0, _08087884 @ =gUnk_08120A54
-	ldr r0, [r0]
-	str r0, [r4, #0x48]
-	subs r1, #5
-	movs r0, #0x8b
-	strb r0, [r1]
-	adds r0, r4, #0
-	bl sub_080878CC
-	adds r0, r4, #0
-	movs r1, #1
-	bl InitializeAnimation
-	adds r0, r4, #0
-	bl sub_0801766C
-	movs r0, #0xfd
-	bl EnqueueSFX
-	pop {r4, pc}
-	.align 2, 0
-_08087884: .4byte gUnk_08120A54
-
-	thumb_func_start sub_08087888
-sub_08087888: @ 0x08087888
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r2, r4, #0
-	adds r2, #0x5a
-	ldrb r1, [r2]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _080878A4
-	bl DeleteThisEntity
-	b _080878C8
-_080878A4:
-	lsls r0, r1, #0x18
-	lsrs r0, r0, #0x18
-	cmp r0, #4
-	bhi _080878C0
-	ldr r0, _080878BC @ =gUnk_08120A54
-	ldrb r1, [r2]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r0, [r1]
-	str r0, [r4, #0x48]
-	b _080878C8
-	.align 2, 0
-_080878BC: .4byte gUnk_08120A54
-_080878C0:
-	ldrb r1, [r4, #0x10]
-	movs r0, #0x7f
-	ands r0, r1
-	strb r0, [r4, #0x10]
-_080878C8:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_080878CC
-sub_080878CC: @ 0x080878CC
-	push {r4, r5, r6, r7, lr}
-	mov r7, sl
-	mov r6, sb
-	mov r5, r8
-	push {r5, r6, r7}
-	sub sp, #0x10
-	adds r7, r0, #0
-	movs r1, #0x2e
-	ldrsh r0, [r7, r1]
-	str r0, [sp]
-	movs r0, #0x32
-	ldrsh r2, [r7, r0]
-	str r2, [sp, #4]
-	adds r0, r7, #0
-	adds r0, #0x38
-	ldrb r0, [r0]
-	mov r8, r0
-	movs r0, #0x10
-	rsbs r0, r0, #0
-	mov r1, r8
-	lsls r1, r1, #0x18
-	str r1, [sp, #8]
-_080878F8:
-	movs r2, #0x10
-	rsbs r2, r2, #0
-	mov sb, r2
-	ldr r1, [sp]
-	adds r1, r1, r0
-	mov sl, r1
-	adds r0, #0x10
-	str r0, [sp, #0xc]
-	mov r6, sl
-_0808790A:
-	ldr r2, _0808795C @ =gRoomControls
-	ldrh r0, [r2, #6]
-	subs r0, r6, r0
-	lsrs r4, r0, #4
-	movs r0, #0x3f
-	ands r4, r0
-	ldr r5, [sp, #4]
-	add r5, sb
-	ldrh r0, [r2, #8]
-	subs r0, r5, r0
-	lsrs r0, r0, #4
-	movs r1, #0x3f
-	ands r0, r1
-	lsls r0, r0, #6
-	orrs r4, r0
-	adds r0, r4, #0
-	ldr r2, [sp, #8]
-	lsrs r1, r2, #0x18
-	bl sub_080B1AE0
-	cmp r0, #0x2e
-	bne _08087970
-	adds r0, r4, #0
-	mov r1, r8
-	bl GetTileType
-	adds r1, r0, #0
-	movs r0, #0xda
-	lsls r0, r0, #2
-	cmp r1, r0
-	bhi _08087960
-	subs r0, #1
-	cmp r1, r0
-	blo _08087960
-	adds r0, r7, #0
-	movs r1, #3
-	adds r2, r6, #0
-	adds r3, r5, #0
-	bl sub_08008796
-	b _0808797C
-	.align 2, 0
-_0808795C: .4byte gRoomControls
-_08087960:
-	ldr r0, _0808796C @ =0x00004022
-	adds r1, r4, #0
-	mov r2, r8
-	bl SetTile
-	b _0808797C
-	.align 2, 0
-_0808796C: .4byte 0x00004022
-_08087970:
-	adds r0, r7, #0
-	movs r1, #3
-	mov r2, sl
-	adds r3, r5, #0
-	bl sub_08008796
-_0808797C:
-	movs r0, #0x10
-	add sb, r0
-	mov r1, sb
-	cmp r1, #0x10
-	ble _0808790A
-	ldr r0, [sp, #0xc]
-	cmp r0, #0x10
-	ble _080878F8
-	add sp, #0x10
-	pop {r3, r4, r5}
-	mov r8, r3
-	mov sb, r4
-	mov sl, r5
-	pop {r4, r5, r6, r7, pc}
diff --git a/assets/assets.json b/assets/assets.json
index 03b95d90..f078caa0 100644
--- a/assets/assets.json
+++ b/assets/assets.json
@@ -42885,21 +42885,6 @@
     "start": 1182240,
     "size": 8
   },
-  {
-    "path": "object20/gUnk_08120A30.bin",
-    "start": 1182256,
-    "size": 12
-  },
-  {
-    "path": "object20/gUnk_08120A3C.bin",
-    "start": 1182268,
-    "size": 12
-  },
-  {
-    "path": "object20/gUnk_08120A48.bin",
-    "start": 1182280,
-    "size": 12
-  },
   {
     "path": "animations/gSpriteAnimations_FigurineDevice_0.bin",
     "start": 1182440,
diff --git a/data/animations/object/object20.s b/data/animations/object/object20.s
deleted file mode 100644
index 79778919..00000000
--- a/data/animations/object/object20.s
+++ /dev/null
@@ -1,21 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_08120A30:: @ 08120A30
-	.incbin "object20/gUnk_08120A30.bin"
-
-gUnk_08120A3C:: @ 08120A3C
-	.incbin "object20/gUnk_08120A3C.bin"
-
-gUnk_08120A48:: @ 08120A48
-	.incbin "object20/gUnk_08120A48.bin"
-
-gUnk_08120A54:: @ 08120A54
-	.4byte gUnk_08120A30
-	.4byte gUnk_08120A30
-	.4byte gUnk_08120A48
-	.4byte gUnk_08120A3C
-	.4byte gUnk_08120A3C
diff --git a/data/const/object/object20.s b/data/const/object/object20.s
deleted file mode 100644
index 7946cb3b..00000000
--- a/data/const/object/object20.s
+++ /dev/null
@@ -1,9 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_08120A28:: @ 08120A28
-	.4byte sub_08087824
-	.4byte sub_08087888
diff --git a/linker.ld b/linker.ld
index c19ecd0a..9ac4e952 100644
--- a/linker.ld
+++ b/linker.ld
@@ -652,7 +652,7 @@ SECTIONS {
         src/object/object1D.o(.text);
         src/object/object1E.o(.text);
         asm/object/object1F.o(.text);
-        asm/object/object20.o(.text);
+        src/object/object20.o(.text);
         src/object/object21.o(.text);
         src/object/figurineDevice.o(.text);
         src/object/eyeSwitch.o(.text);
@@ -1373,8 +1373,7 @@ SECTIONS {
         src/object/object1E.o(.rodata);
         data/animations/object/object1E.o(.rodata);
         data/const/object/object1F.o(.rodata);
-        data/const/object/object20.o(.rodata);
-        data/animations/object/object20.o(.rodata);
+        src/object/object20.o(.rodata);
         src/object/object21.o(.rodata);
         src/object/figurineDevice.o(.rodata);
         data/animations/object/figurineDevice.o(.rodata);
diff --git a/src/object/object1E.c b/src/object/object1E.c
index 844fb0f5..48991a92 100644
--- a/src/object/object1E.c
+++ b/src/object/object1E.c
@@ -11,13 +11,15 @@
 #include "functions.h"
 #include "area.h"
 
-
 void sub_08087528(Entity*);
 void sub_080875F4(Entity*);
 void sub_08087640(Entity*);
 
 void Object1E(Entity* this) {
-    static void (*const gUnk_081208B8[])(Entity*) = {sub_08087528, sub_080875F4, };
+    static void (*const gUnk_081208B8[])(Entity*) = {
+        sub_08087528,
+        sub_080875F4,
+    };
     if (!EntityIsDeleted(this)) {
         gUnk_081208B8[this->action](this);
     }
@@ -60,7 +62,7 @@ NONMATCH("asm/non_matching/object1E/sub_08087528.inc", void sub_08087528(Entity*
                 if (this->type == 0x40) {
                     this->spriteSettings.flipX = 1;
                 }
-            break;
+                break;
         }
     }
     SetDefaultPriority(this, 3);
@@ -74,7 +76,7 @@ void sub_080875F4(Entity* this) {
         DeleteThisEntity();
     }
     if (this->type2 != 0) {
-        this->spritePriority.b0 =gPlayerEntity.spritePriority.b0 + 1 - this->frame;
+        this->spritePriority.b0 = gPlayerEntity.spritePriority.b0 + 1 - this->frame;
     }
 }
 
diff --git a/src/object/object20.c b/src/object/object20.c
new file mode 100644
index 00000000..1cfb4c2c
--- /dev/null
+++ b/src/object/object20.c
@@ -0,0 +1,91 @@
+/**
+ * @file object20.c
+ * @ingroup Objects
+ *
+ * @brief Object20 object
+ */
+
+#define NENT_DEPRECATED
+#include "global.h"
+#include "object.h"
+#include "functions.h"
+
+void sub_08087824(Entity*);
+void sub_08087888(Entity*);
+void sub_080878CC(Entity*);
+
+void (*const gUnk_08120A28[])(Entity*) = {
+    sub_08087824,
+    sub_08087888,
+};
+const Hitbox3D gUnk_08120A30 = { 0, 0, { 0, 0, 0, 0 }, 6, 6, 10, { 0, 0, 0 } };
+const Hitbox3D gUnk_08120A3C = { 0, 0, { 0, 0, 0, 0 }, 12, 12, 16, { 0, 0, 0 } };
+const Hitbox3D gUnk_08120A48 = { 0, 0, { 0, 0, 0, 0 }, 16, 16, 20, { 0, 0, 0 } };
+const Hitbox3D* const gUnk_08120A54[] = { &gUnk_08120A30, &gUnk_08120A30, &gUnk_08120A48, &gUnk_08120A3C,
+                                          &gUnk_08120A3C };
+
+void Object20(Entity* this) {
+    gUnk_08120A28[this->action](this);
+}
+
+void sub_08087824(Entity* this) {
+    if (this->collisionLayer == 0) {
+        ResolveCollisionLayer(this);
+    }
+    this->action = 1;
+    this->flags |= 0x80;
+    this->field_0x3c = 0x13;
+    this->health = 0xff;
+    this->hitType = 0xa9;
+    this->hurtType = 0x16;
+    this->hitbox = (Hitbox*)gUnk_08120A54[0];
+    this->flags2 = 0x8b;
+    sub_080878CC(this);
+    InitializeAnimation(this, 1);
+    sub_0801766C(this);
+    EnqueueSFX(SFX_ITEM_BOMB_EXPLODE);
+}
+
+void sub_08087888(Entity* this) {
+    GetNextFrame(this);
+    if ((this->frame & 0x80) != 0) {
+        DeleteThisEntity();
+    } else {
+        if (this->frame < 5) {
+            this->hitbox = (Hitbox*)gUnk_08120A54[this->frame];
+        } else {
+            this->flags &= 0x7f;
+        }
+    }
+}
+
+NONMATCH("asm/non_matching/object20/sub_080878CC.inc", void sub_080878CC(Entity* this)) {
+    s32 x;
+    s32 y;
+    s32 itX;
+    s32 itY;
+    u32 layer;
+    u32 tileType;
+    u32 pos;
+
+    x = this->x.HALF.HI;
+    y = this->y.HALF.HI;
+    layer = this->collisionLayer;
+    for (itX = -0x10; itX < 0x11; itX += 0x10) {
+        for (itY = -0x10; itY < 0x11; itY += 0x10) {
+            pos = TILE((u32)x + itX, (u32)y + itY);
+            if (sub_080B1AE0(pos, layer) == 0x2e) {
+                tileType = GetTileType(pos, layer);
+                if (tileType == 0x368 || tileType == 0x367
+                    /*(tileType < 0x369) && (0x366 < tileType)*/) {
+                    sub_08008796(this, 3, x + itX, y + itY);
+                } else {
+                    SetTile(0x4022, pos, layer);
+                }
+            } else {
+                sub_08008796(this, 3, x + itX, y + itY);
+            }
+        }
+    }
+}
+END_NONMATCH