diff --git a/asm/spinyChuchu.s b/asm/spinyChuchu.s
deleted file mode 100644
index 8e2b6aba..00000000
--- a/asm/spinyChuchu.s
+++ /dev/null
@@ -1,646 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start SpinyChuchu
-SpinyChuchu: @ 0x08022414
-	push {r4, lr}
-	adds r4, r0, #0
-	ldr r1, _08022430 @ =gUnk_080CBA28
-	bl EnemyFunctionHandler
-	movs r3, #0x10
-	rsbs r3, r3, #0
-	adds r0, r4, #0
-	movs r1, #0
-	movs r2, #1
-	bl SetChildOffset
-	pop {r4, pc}
-	.align 2, 0
-_08022430: .4byte gUnk_080CBA28
-
-	thumb_func_start sub_08022434
-sub_08022434: @ 0x08022434
-	push {lr}
-	ldr r2, _08022448 @ =gUnk_080CBA40
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_08022448: .4byte gUnk_080CBA40
-
-	thumb_func_start sub_0802244C
-sub_0802244C: @ 0x0802244C
-	push {r4, r5, r6, r7, lr}
-	adds r4, r0, #0
-	adds r5, r4, #0
-	adds r5, #0x45
-	ldrb r0, [r5]
-	cmp r0, #0
-	bne _0802245C
-	b _08022582
-_0802245C:
-	adds r0, r4, #0
-	adds r0, #0x3f
-	ldrb r1, [r0]
-	adds r6, r0, #0
-	cmp r1, #0x65
-	bne _08022522
-	adds r0, #2
-	ldrb r1, [r0]
-	movs r0, #0x7f
-	ands r0, r1
-	subs r0, #2
-	cmp r0, #0x18
-	bhi _08022540
-	lsls r0, r0, #2
-	ldr r1, _08022480 @ =_08022484
-	adds r0, r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08022480: .4byte _08022484
-_08022484: @ jump table
-	.4byte _080224E8 @ case 0
-	.4byte _080224E8 @ case 1
-	.4byte _08022540 @ case 2
-	.4byte _08022540 @ case 3
-	.4byte _08022540 @ case 4
-	.4byte _08022540 @ case 5
-	.4byte _08022508 @ case 6
-	.4byte _08022508 @ case 7
-	.4byte _08022508 @ case 8
-	.4byte _08022508 @ case 9
-	.4byte _08022508 @ case 10
-	.4byte _08022540 @ case 11
-	.4byte _08022540 @ case 12
-	.4byte _08022540 @ case 13
-	.4byte _08022540 @ case 14
-	.4byte _08022540 @ case 15
-	.4byte _08022540 @ case 16
-	.4byte _08022540 @ case 17
-	.4byte _08022540 @ case 18
-	.4byte _08022540 @ case 19
-	.4byte _08022508 @ case 20
-	.4byte _08022540 @ case 21
-	.4byte _08022508 @ case 22
-	.4byte _08022508 @ case 23
-	.4byte _08022508 @ case 24
-_080224E8:
-	movs r0, #2
-	strb r0, [r4, #0xc]
-	movs r0, #0x3c
-	strb r0, [r4, #0xf]
-	movs r0, #0x5c
-	strb r0, [r6]
-	ldr r0, _08022504 @ =gUnk_080FD468
-	str r0, [r4, #0x48]
-	adds r0, r4, #0
-	movs r1, #0
-	bl InitializeAnimation
-	b _08022540
-	.align 2, 0
-_08022504: .4byte gUnk_080FD468
-_08022508:
-	adds r0, r4, #0
-	movs r1, #0x1c
-	bl sub_0804A9FC
-	movs r0, #5
-	strb r0, [r4, #0xc]
-	movs r0, #0x5c
-	strb r0, [r6]
-	adds r0, r4, #0
-	movs r1, #1
-	bl InitializeAnimation
-	b _08022540
-_08022522:
-	adds r0, r4, #0
-	adds r0, #0x41
-	ldrb r0, [r0]
-	cmp r0, #0x94
-	bne _08022540
-	adds r0, r4, #0
-	movs r1, #0x1c
-	bl sub_0804A9FC
-	movs r0, #5
-	strb r0, [r4, #0xc]
-	adds r0, r4, #0
-	movs r1, #1
-	bl InitializeAnimation
-_08022540:
-	adds r0, r4, #0
-	adds r0, #0x80
-	adds r1, r4, #0
-	adds r1, #0x45
-	ldrb r2, [r0]
-	adds r5, r1, #0
-	adds r7, r0, #0
-	ldrb r0, [r5]
-	cmp r2, r0
-	beq _08022566
-	movs r0, #5
-	strb r0, [r4, #0xc]
-	movs r0, #0x5c
-	strb r0, [r6]
-	adds r0, r4, #0
-	movs r1, #1
-	bl InitializeAnimation
-	b _0802258E
-_08022566:
-	ldrb r0, [r4, #0xc]
-	cmp r0, #3
-	bne _0802258E
-	movs r0, #4
-	strb r0, [r4, #0xc]
-	adds r0, r4, #0
-	movs r1, #3
-	bl InitializeAnimation
-	movs r0, #0xca
-	lsls r0, r0, #1
-	bl sub_08004488
-	b _0802258E
-_08022582:
-	adds r0, r4, #0
-	movs r1, #1
-	bl InitializeAnimation
-	adds r7, r4, #0
-	adds r7, #0x80
-_0802258E:
-	ldrb r0, [r5]
-	strb r0, [r7]
-	ldr r1, _0802259C @ =gUnk_080CBA28
-	adds r0, r4, #0
-	bl sub_0804AA30
-	pop {r4, r5, r6, r7, pc}
-	.align 2, 0
-_0802259C: .4byte gUnk_080CBA28
-
-	thumb_func_start sub_080225A0
-sub_080225A0: @ 0x080225A0
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r0, #0x58
-	ldrb r0, [r0]
-	cmp r0, #1
-	bne _080225B2
-	adds r0, r4, #0
-	bl GetNextFrame
-_080225B2:
-	adds r0, r4, #0
-	bl sub_08001318
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_080225BC
-sub_080225BC: @ 0x080225BC
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0xc0
-	lsls r1, r1, #5
-	bl sub_08003FC4
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _080225DE
-	adds r0, r4, #0
-	bl sub_0804A7D4
-	b _080225E4
-_080225DE:
-	adds r0, r4, #0
-	bl GetNextFrame
-_080225E4:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start nullsub_9
-nullsub_9: @ 0x080225E8
-	bx lr
-	.align 2, 0
-
-	thumb_func_start sub_080225EC
-sub_080225EC: @ 0x080225EC
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_0804A720
-	adds r0, r4, #0
-	adds r0, #0x45
-	ldrb r1, [r0]
-	adds r0, #0x3b
-	strb r1, [r0]
-	adds r1, r4, #0
-	adds r1, #0x81
-	movs r0, #0x5a
-	strb r0, [r1]
-	ldrb r0, [r4, #0xe]
-	cmp r0, #0
-	bne _0802261A
-	movs r0, #2
-	strb r0, [r4, #0xc]
-	adds r0, r4, #0
-	movs r1, #0
-	bl InitializeAnimation
-	b _0802264C
-_0802261A:
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	movs r0, #0x3c
-	strb r0, [r4, #0xf]
-	ldrb r0, [r4, #0x18]
-	movs r1, #3
-	orrs r0, r1
-	strb r0, [r4, #0x18]
-	ldrb r2, [r4, #0x19]
-	movs r1, #0x3f
-	adds r0, r1, #0
-	ands r0, r2
-	movs r2, #0x40
-	orrs r0, r2
-	strb r0, [r4, #0x19]
-	ldrb r0, [r4, #0x1b]
-	ands r1, r0
-	orrs r1, r2
-	strb r1, [r4, #0x1b]
-	ldr r0, _08022650 @ =0x0000FF80
-	strh r0, [r4, #0x36]
-	adds r0, r4, #0
-	movs r1, #6
-	bl InitializeAnimation
-_0802264C:
-	pop {r4, pc}
-	.align 2, 0
-_08022650: .4byte 0x0000FF80
-
-	thumb_func_start sub_08022654
-sub_08022654: @ 0x08022654
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xd]
-	cmp r0, #1
-	beq _0802268C
-	cmp r0, #1
-	bgt _08022668
-	cmp r0, #0
-	beq _0802266E
-	b _080226E4
-_08022668:
-	cmp r0, #2
-	beq _080226BE
-	b _080226E4
-_0802266E:
-	ldrb r0, [r4, #0xf]
-	subs r0, #1
-	strb r0, [r4, #0xf]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _080226E4
-	movs r0, #1
-	strb r0, [r4, #0xd]
-	ldr r0, _080226E8 @ =0x0000012D
-	bl PlaySFX
-	adds r0, r4, #0
-	movs r1, #0
-	bl InitializeAnimation
-_0802268C:
-	movs r1, #0xc0
-	lsls r1, r1, #5
-	adds r0, r4, #0
-	bl sub_08003FC4
-	cmp r0, #0
-	bne _080226E4
-	movs r0, #2
-	strb r0, [r4, #0xd]
-	ldrb r1, [r4, #0x18]
-	subs r0, #6
-	ands r0, r1
-	movs r1, #1
-	orrs r0, r1
-	strb r0, [r4, #0x18]
-	adds r0, r4, #0
-	movs r1, #5
-	bl InitializeAnimation
-	movs r0, #0x7d
-	bl sub_08004488
-	adds r0, r4, #0
-	bl UpdateSpriteForCollisionLayer
-_080226BE:
-	adds r0, r4, #0
-	bl GetNextFrame
-	ldrb r0, [r4, #0xe]
-	subs r0, #1
-	strb r0, [r4, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _080226E4
-	movs r0, #3
-	strb r0, [r4, #0xc]
-	adds r1, r4, #0
-	adds r1, #0x3f
-	movs r0, #0x65
-	strb r0, [r1]
-	adds r0, r4, #0
-	movs r1, #2
-	bl InitializeAnimation
-_080226E4:
-	pop {r4, pc}
-	.align 2, 0
-_080226E8: .4byte 0x0000012D
-
-	thumb_func_start sub_080226EC
-sub_080226EC: @ 0x080226EC
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #1
-	bl sub_08049FDC
-	cmp r0, #0
-	beq _08022776
-	adds r0, r4, #0
-	bl sub_080228CC
-	cmp r0, #0
-	beq _0802271A
-	movs r0, #3
-	strb r0, [r4, #0xc]
-	adds r1, r4, #0
-	adds r1, #0x3f
-	movs r0, #0x65
-	strb r0, [r1]
-	adds r0, r4, #0
-	movs r1, #2
-	bl InitializeAnimation
-	b _0802277C
-_0802271A:
-	adds r0, r4, #0
-	bl sub_080228F0
-	cmp r0, #0
-	beq _08022758
-	movs r0, #6
-	strb r0, [r4, #0xc]
-	movs r0, #0x90
-	lsls r0, r0, #9
-	str r0, [r4, #0x20]
-	movs r0, #0xa0
-	lsls r0, r0, #1
-	strh r0, [r4, #0x24]
-	ldr r0, _08022754 @ =gUnk_020000B0
-	ldr r1, [r0]
-	adds r0, r4, #0
-	bl GetFacingDirection
-	strb r0, [r4, #0x15]
-	adds r1, r4, #0
-	adds r1, #0x3f
-	movs r0, #0x5a
-	strb r0, [r1]
-	adds r0, r4, #0
-	movs r1, #4
-	bl InitializeAnimation
-	b _0802277C
-	.align 2, 0
-_08022754: .4byte gUnk_020000B0
-_08022758:
-	ldrb r1, [r4, #0xe]
-	adds r0, r1, #1
-	strb r0, [r4, #0xe]
-	movs r0, #7
-	ands r0, r1
-	cmp r0, #0
-	bne _08022770
-	adds r0, r4, #0
-	movs r1, #1
-	bl sub_08049F84
-	strb r0, [r4, #0x15]
-_08022770:
-	adds r0, r4, #0
-	bl sub_080AEF88
-_08022776:
-	adds r0, r4, #0
-	bl GetNextFrame
-_0802277C:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_08022780
-sub_08022780: @ 0x08022780
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _080227AA
-	movs r0, #4
-	strb r0, [r4, #0xc]
-	adds r0, r4, #0
-	movs r1, #3
-	bl InitializeAnimation
-	movs r0, #0xca
-	lsls r0, r0, #1
-	bl sub_08004488
-_080227AA:
-	pop {r4, pc}
-
-	thumb_func_start sub_080227AC
-sub_080227AC: @ 0x080227AC
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _080227CC
-	ldr r0, _080227C8 @ =gUnk_080FD470
-	b _080227CE
-	.align 2, 0
-_080227C8: .4byte gUnk_080FD470
-_080227CC:
-	ldr r0, _08022814 @ =gUnk_080FD468
-_080227CE:
-	str r0, [r4, #0x48]
-	adds r2, r4, #0
-	adds r2, #0x5a
-	ldrb r1, [r2]
-	movs r3, #2
-	adds r0, r3, #0
-	ands r0, r1
-	cmp r0, #0
-	beq _080227EE
-	movs r0, #0xfd
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r4, #0
-	adds r1, #0x3f
-	movs r0, #0x5c
-	strb r0, [r1]
-_080227EE:
-	ldrb r1, [r2]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _08022812
-	strb r3, [r4, #0xc]
-	bl Random
-	ldr r2, _08022818 @ =gUnk_080CBA60
-	movs r1, #3
-	ands r1, r0
-	adds r1, r1, r2
-	ldrb r0, [r1]
-	strb r0, [r4, #0xf]
-	adds r0, r4, #0
-	movs r1, #0
-	bl InitializeAnimation
-_08022812:
-	pop {r4, pc}
-	.align 2, 0
-_08022814: .4byte gUnk_080FD468
-_08022818: .4byte gUnk_080CBA60
-
-	thumb_func_start sub_0802281C
-sub_0802281C: @ 0x0802281C
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0xc0
-	lsls r1, r1, #5
-	bl sub_08003FC4
-	adds r0, r4, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _08022852
-	movs r0, #2
-	strb r0, [r4, #0xc]
-	movs r0, #0x20
-	strh r0, [r4, #0x24]
-	adds r0, r4, #0
-	movs r1, #0
-	bl InitializeAnimation
-	adds r0, r4, #0
-	bl sub_0804AA1C
-_08022852:
-	pop {r4, pc}
-
-	thumb_func_start sub_08022854
-sub_08022854: @ 0x08022854
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _08022898
-	adds r0, r4, #0
-	bl sub_080AEFE0
-	movs r1, #0xc0
-	lsls r1, r1, #5
-	adds r0, r4, #0
-	bl sub_08003FC4
-	cmp r0, #0
-	bne _08022898
-	movs r0, #7
-	strb r0, [r4, #0xc]
-	adds r1, r4, #0
-	adds r1, #0x3f
-	movs r0, #0x5c
-	strb r0, [r1]
-	adds r0, r4, #0
-	movs r1, #5
-	bl InitializeAnimation
-	movs r0, #0x7d
-	bl sub_08004488
-_08022898:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_0802289C
-sub_0802289C: @ 0x0802289C
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _080228CA
-	movs r0, #2
-	strb r0, [r4, #0xc]
-	movs r0, #0x20
-	strh r0, [r4, #0x24]
-	adds r1, r4, #0
-	adds r1, #0x81
-	movs r0, #0x78
-	strb r0, [r1]
-	adds r0, r4, #0
-	movs r1, #0
-	bl InitializeAnimation
-_080228CA:
-	pop {r4, pc}
-
-	thumb_func_start sub_080228CC
-sub_080228CC: @ 0x080228CC
-	push {lr}
-	adds r1, r0, #0
-	ldrb r0, [r1, #0xf]
-	cmp r0, #0
-	bne _080228E8
-	adds r0, r1, #0
-	movs r1, #1
-	movs r2, #0x28
-	bl sub_08049F64
-	cmp r0, #0
-	beq _080228EC
-	movs r0, #1
-	b _080228EE
-_080228E8:
-	subs r0, #1
-	strb r0, [r1, #0xf]
-_080228EC:
-	movs r0, #0
-_080228EE:
-	pop {pc}
-
-	thumb_func_start sub_080228F0
-sub_080228F0: @ 0x080228F0
-	push {lr}
-	adds r1, r0, #0
-	adds r2, r1, #0
-	adds r2, #0x81
-	ldrb r0, [r2]
-	cmp r0, #0
-	bne _08022910
-	adds r0, r1, #0
-	movs r1, #1
-	movs r2, #0x40
-	bl sub_08049F64
-	cmp r0, #0
-	beq _08022914
-	movs r0, #1
-	b _08022916
-_08022910:
-	subs r0, #1
-	strb r0, [r2]
-_08022914:
-	movs r0, #0
-_08022916:
-	pop {pc}
diff --git a/data/animations/spinyChuchu.s b/data/animations/spinyChuchu.s
new file mode 100644
index 00000000..ab88f654
--- /dev/null
+++ b/data/animations/spinyChuchu.s
@@ -0,0 +1,28 @@
+	.include "asm/macros.inc"
+	.include "constants/constants.inc"
+
+	.section .rodata
+
+gUnk_080CBA64:: @ 080CBA64
+	.incbin "baserom.gba", 0x0CBA64, 0x0000041
+
+gUnk_080CBAA5:: @ 080CBAA5
+	.incbin "baserom.gba", 0x0CBAA5, 0x0000040
+
+gUnk_080CBAE5:: @ 080CBAE5
+	.incbin "baserom.gba", 0x0CBAE5, 0x0000018
+
+gUnk_080CBAFD:: @ 080CBAFD
+	.incbin "baserom.gba", 0x0CBAFD, 0x0000024
+
+gUnk_080CBB21:: @ 080CBB21
+	.incbin "baserom.gba", 0x0CBB21, 0x0000011
+
+gUnk_080CBB32:: @ 080CBB32
+	.incbin "baserom.gba", 0x0CBB32, 0x000000D
+
+gUnk_080CBB3F:: @ 080CBB3F
+	.incbin "baserom.gba", 0x0CBB3F, 0x0000005
+
+gUnk_080CBB44:: @ 080CBB44
+	.incbin "baserom.gba", 0x0CBB44, 0x0000020
diff --git a/data/data_080CBA28.s b/data/data_080CBA28.s
index b25f7c4d..5157ef24 100644
--- a/data/data_080CBA28.s
+++ b/data/data_080CBA28.s
@@ -3,39 +3,6 @@
 
 	.section .rodata
 
-gUnk_080CBA28:: @ 080CBA28
-	.incbin "baserom.gba", 0x0CBA28, 0x0000018
-
-gUnk_080CBA40:: @ 080CBA40
-	.incbin "baserom.gba", 0x0CBA40, 0x0000020
-
-gUnk_080CBA60:: @ 080CBA60
-	.incbin "baserom.gba", 0x0CBA60, 0x0000004
-
-gUnk_080CBA64:: @ 080CBA64
-	.incbin "baserom.gba", 0x0CBA64, 0x0000041
-
-gUnk_080CBAA5:: @ 080CBAA5
-	.incbin "baserom.gba", 0x0CBAA5, 0x0000040
-
-gUnk_080CBAE5:: @ 080CBAE5
-	.incbin "baserom.gba", 0x0CBAE5, 0x0000018
-
-gUnk_080CBAFD:: @ 080CBAFD
-	.incbin "baserom.gba", 0x0CBAFD, 0x0000024
-
-gUnk_080CBB21:: @ 080CBB21
-	.incbin "baserom.gba", 0x0CBB21, 0x0000011
-
-gUnk_080CBB32:: @ 080CBB32
-	.incbin "baserom.gba", 0x0CBB32, 0x000000D
-
-gUnk_080CBB3F:: @ 080CBB3F
-	.incbin "baserom.gba", 0x0CBB3F, 0x0000005
-
-gUnk_080CBB44:: @ 080CBB44
-	.incbin "baserom.gba", 0x0CBB44, 0x0000020
-
 gUnk_080CBB64:: @ 080CBB64
 	.incbin "baserom.gba", 0x0CBB64, 0x0000018
 
diff --git a/linker.ld b/linker.ld
index 6b8f7f5c..4cc60abf 100644
--- a/linker.ld
+++ b/linker.ld
@@ -336,7 +336,7 @@ SECTIONS {
 		src/enemy/keese.o(.text);
 		src/enemy/doorMimic.o(.text);
 		src/enemy/rockChuchu.o(.text);
-		asm/spinyChuchu.o(.text);
+		src/enemy/spinyChuchu.o(.text);
 		asm/cuccoChickAggr.o(.text);
 		asm/moldorm.o(.text);
 		asm/enemyE.o(.text);
@@ -926,6 +926,8 @@ SECTIONS {
 		data/animations/doorMimic.o(.rodata);
 		src/enemy/rockChuchu.o(.rodata);
 		data/animations/rockChuchu.o(.rodata);
+		src/enemy/spinyChuchu.o(.rodata);
+		data/animations/spinyChuchu.o(.rodata);
 		data/data_080CBA28.o(.rodata);
 		src/enemy.o(.rodata);
 		data/data_080D3D94.o(.rodata);
diff --git a/src/enemy/spinyChuchu.c b/src/enemy/spinyChuchu.c
new file mode 100644
index 00000000..a3d41a1b
--- /dev/null
+++ b/src/enemy/spinyChuchu.c
@@ -0,0 +1,285 @@
+#include "enemy.h"
+#include "entity.h"
+#include "functions.h"
+
+extern void sub_08001318(Entity*);
+extern u32 sub_08049F64(Entity*, u32, u32);
+extern void sub_0804A4E4(Entity*, Entity*);
+extern void sub_0804AA1C(Entity*);
+
+u32 sub_080228CC(Entity*);
+u32 sub_080228F0(Entity*);
+
+extern void (*const gUnk_080CBA28[])(Entity*);
+extern void (*const gUnk_080CBA40[])(Entity*);
+
+extern const u8 gUnk_080CBA60[];
+
+extern BoundingBox gUnk_080FD468;
+extern BoundingBox gUnk_080FD470;
+
+extern Entity* gUnk_020000B0;
+
+void SpinyChuchu(Entity* this) {
+    EnemyFunctionHandler(this, gUnk_080CBA28);
+    SetChildOffset(this, 0, 1, -0x10);
+}
+
+void sub_08022434(Entity* this) {
+    gUnk_080CBA40[this->action](this);
+}
+
+void sub_0802244C(Entity* this) {
+    if (this->currentHealth) {
+        if (this->damageType == 0x65) {
+            switch (this->bitfield & 0x7f) {
+                case 2:
+                case 3:
+                    this->action = 2;
+                    this->field_0xf = 0x3c;
+                    this->damageType = 0x5c;
+                    this->boundingBox = &gUnk_080FD468;
+                    InitializeAnimation(this, 0);
+                    break;
+                case 8:
+                case 9:
+                case 10:
+                case 0xb:
+                case 0xc:
+                case 0x16:
+                case 0x18:
+                case 0x19:
+                case 0x1a:
+                    sub_0804A9FC(this, 0x1c);
+                    this->action = 5;
+                    this->damageType = 0x5c;
+                    InitializeAnimation(this, 1);
+            }
+        } else if (this->bitfield == 0x94) {
+            sub_0804A9FC(this, 0x1c);
+            this->action = 5;
+            InitializeAnimation(this, 1);
+        }
+
+        if (this->field_0x80.HALF.LO != this->currentHealth) {
+            this->action = 5;
+            this->damageType = 0x5c;
+            InitializeAnimation(this, 1);
+        } else {
+            if (this->action == 3) {
+                this->action = 4;
+                InitializeAnimation(this, 3);
+                sub_08004488(0x194);
+            }
+        }
+    } else {
+        InitializeAnimation(this, 1);
+    }
+
+    this->field_0x80.HALF.LO = this->currentHealth;
+    sub_0804AA30(this, gUnk_080CBA28);
+}
+
+void sub_080225A0(Entity* this) {
+    if (this->animIndex == 1)
+        GetNextFrame(this);
+    sub_08001318(this);
+}
+
+void sub_080225BC(Entity* this) {
+    sub_08003FC4(this, 0x1800);
+    if (this->frames.all & 1) {
+        sub_0804A7D4(this);
+    } else {
+        GetNextFrame(this);
+    }
+}
+
+void nullsub_9(Entity* this) {
+}
+
+void sub_080225EC(Entity* this) {
+    sub_0804A720(this);
+    this->field_0x80.HALF.LO = this->currentHealth;
+    this->field_0x80.HALF.HI = 0x5a;
+    if (this->actionDelay == 0) {
+        this->action = 2;
+        InitializeAnimation(this, 0);
+    } else {
+        this->action = 1;
+        this->field_0xf = 0x3c;
+        this->spriteSettings.b.draw = 3;
+        this->spriteRendering.b3 = 1;
+        this->spriteOrientation.flipY = 1;
+        this->height.HALF.HI = -0x80;
+        InitializeAnimation(this, 6);
+    }
+}
+
+void sub_08022654(Entity* this) {
+    switch (this->previousActionFlag) {
+        case 0:
+            if (--this->field_0xf)
+                return;
+            this->previousActionFlag = 1;
+            PlaySFX(0x12d);
+            InitializeAnimation(this, 0);
+            /* fallthrough */
+        case 1:
+            if (sub_08003FC4(this, 0x1800))
+                return;
+
+            this->previousActionFlag = 2;
+            this->spriteSettings.b.draw = 1;
+            InitializeAnimation(this, 5);
+            sub_08004488(0x7d);
+            UpdateSpriteForCollisionLayer(this);
+            /* fallthrough */
+        case 2:
+            GetNextFrame(this);
+            if (--this->actionDelay == 0) {
+                this->action = 3;
+                this->damageType = 0x65;
+                InitializeAnimation(this, 2);
+            }
+            break;
+    }
+}
+
+void sub_080226EC(Entity* this) {
+    if (sub_08049FDC(this, 1)) {
+        if (sub_080228CC(this)) {
+            this->action = 3;
+            this->damageType = 0x65;
+            InitializeAnimation(this, 2);
+            return;
+        }
+
+        if (sub_080228F0(this)) {
+            this->action = 6;
+            this->field_0x20 = 0x12000;
+            this->nonPlanarMovement = 0x140;
+            this->direction = GetFacingDirection(this, gUnk_020000B0);
+            this->damageType = 0x5a;
+            InitializeAnimation(this, 4);
+            return;
+        }
+
+        if ((this->actionDelay++ & 7) == 0) {
+            this->direction = sub_08049F84(this, 1);
+        }
+
+        sub_080AEF88(this);
+    }
+
+    GetNextFrame(this);
+}
+
+void sub_08022780(Entity* this) {
+    GetNextFrame(this);
+    if (this->frames.all & 0x80) {
+        this->action = 4;
+        InitializeAnimation(this, 3);
+        sub_08004488(0x194);
+    }
+}
+
+void sub_080227AC(Entity* this) {
+    GetNextFrame(this);
+    if (this->frames.all & 1) {
+        this->boundingBox = &gUnk_080FD470;
+    } else {
+        this->boundingBox = &gUnk_080FD468;
+    }
+
+    if (this->frames.all & 2) {
+        this->frames.all &= ~2;
+        this->damageType = 0x5c;
+    }
+
+    if (this->frames.all & 0x80) {
+        this->action = 2;
+        this->field_0xf = gUnk_080CBA60[Random() & 3];
+        InitializeAnimation(this, 0);
+    }
+}
+
+void sub_0802281C(Entity* this) {
+    sub_08003FC4(this, 0x1800);
+    GetNextFrame(this);
+    if (this->frames.all & 0x80) {
+        this->action = 2;
+        this->nonPlanarMovement = 0x20;
+        InitializeAnimation(this, 0);
+        sub_0804AA1C(this);
+    }
+}
+
+void sub_08022854(Entity* this) {
+    GetNextFrame(this);
+    if (this->frames.all & 1) {
+        sub_080AEFE0(this);
+        if (sub_08003FC4(this, 0x1800) == 0) {
+            this->action = 7;
+            this->damageType = 0x5c;
+            InitializeAnimation(this, 5);
+            sub_08004488(0x7d);
+        }
+    }
+}
+
+void sub_0802289C(Entity* this) {
+    GetNextFrame(this);
+    if (this->frames.all & 0x80) {
+        this->action = 2;
+        this->nonPlanarMovement = 0x20;
+        this->field_0x80.HALF.HI = 0x78;
+        InitializeAnimation(this, 0);
+    }
+}
+
+u32 sub_080228CC(Entity* this) {
+    if (this->field_0xf == 0) {
+        if (sub_08049F64(this, 1, 0x28))
+            return 1;
+    } else {
+        this->field_0xf--;
+    }
+    return 0;
+}
+
+u32 sub_080228F0(Entity* this) {
+    if (this->field_0x80.HALF.HI == 0) {
+        if (sub_08049F64(this, 1, 0x40))
+            return 1;
+    } else {
+        this->field_0x80.HALF.HI--;
+    }
+    return 0;
+}
+
+// clang-format off
+void (*const gUnk_080CBA28[])(Entity*) = {
+    sub_08022434,
+    sub_0802244C,
+    sub_080225A0,
+    sub_080225BC,
+    sub_08001242,
+    nullsub_9,
+};
+
+void (*const gUnk_080CBA40[])(Entity*) = {
+    sub_080225EC,
+    sub_08022654,
+    sub_080226EC,
+    sub_08022780,
+    sub_080227AC,
+    sub_0802281C,
+    sub_08022854,
+    sub_0802289C,
+};
+
+const u8 gUnk_080CBA60[] = {
+    10, 20, 30, 20,
+};
+// clang-format on