Character Model Structures

Most characters in Sonic Adventure 2 share a similar node structure for their models. Below is a general list of what can be found for each player character's node lists.

Bones with an asterisk (*) after them indicate the game using them for automatic animation, such as character leaning, head & eye animation.

• Speed/Hunting and Tails
• Eggman
• Mech Eggman
• Mech Tails
• Chao Walkers

Speed/Hunting-type Characters and Tails

ID	Description
0	Root node
1	Root node 2 (Main array for the body)
2	Body node (Parent)
3	Body node (Parent 2)
4	Legs + Tail node (Parent)
5	Legs + Tail node (Parent 2)
6	Right Leg (Parent)
7	Right Leg node (hip)
8	Right Leg node (thigh)
9	Right Leg node (knee)
10	Right Leg node (end)
11	Right Foot node (Parent, sometimes contains array)
12	Right Foot node (Parent 2)
13	Right Foot node (Heel)
14	Right Foot node (Toe)
15	Right Foot node (End)
16	Left Leg (Parent)
17	Left Leg node (hip)
18	Left Leg node (thigh)
19	Left Leg node (knee)
20	Left Leg node (end)
21	Left Foot node (Parent, sometimes contains its array)
22	Left Foot node (Parent 2)
23	Left Foot node (Heel)
24	Left Foot node (toe)
25	Left Foot node (end)
26	Tail (Parent)
27	Tail node (base)
28	Tail node (2nd from base)
29	Tail node (2nd from end)
30	Tail node (end)
31	Chest node (Parent)
32	Chest node (middle)
33	Head + Arms node (Parent)
34*	Head + Arms node (Parent 2)
35	Left Arm (Parent, contains arm array)
36	Left Arm (Parent 2)
37	Left Arm node (base)
38	Left Arm node (elbow)
39	Left Arm node (wrist)
40	Left hand (Parent)
41	Left hand (Parent 2)
42	Left Hand
43*	Face node (Parent)
44	Face node (Parent 2)
45	Face node (Parent 3)
46	Muzzle (Parent)
47	Muzzle (Brain, in Chaos Zero's case)
48	Head (Parent)
49	Head
50*	Right eye (Parent)
51	Right eye
52*	Left eye (Parent)
53	Left eye
54	Right Arm (Parent, contains arm array)
55	Right Arm (Parent 2)
56	Right Arm node (base)
57	Right Arm node (elbow)
58	Right Arm node (wrist)
59	Right hand (Parent)
60	Right Hand (Parent 2)
61	Right hand

Eggman

ID	Description
0	Root node
1	Root node 2 (Main array for the body)
2	Body node (Parent)
3	Body node (Parent 2)
4	Legs node (Parent)
5	Legs node (Parent 2)
6	Right Leg node (Parent)
7	Right Leg node (hip)
8	Right Leg node (thigh)
9	Right Leg node (knee)
10	Right Leg node (End)
11	Right Foot node (Parent)
12	Right Foot node (calf)
13	Right Foot node (heel)
14	Right Foot node (toe)
15	Left Leg node (Parent)
16	Left Leg node (hip)
17	Left Leg node (thigh)
18	Left Leg node (knee)
19	Left Leg node (end)
20	Left Foot node (Parent)
21	Left Foot node (calf)
22	Left Foot node (heel)
23	Left Foot node (toe)
24	Chest node (Parent)
25	Chest node (middle)
26	Head + Arms node (Parent)
27	Head + Arms node (Parent 2)
28	Left Arm (Parent)
29	Left Arm node (base)
30	Left Arm node (elbow)
31	Left Arm node (wrist)
32	Left Hand node (Parent)
33	Left Hand node (Parent 2)
34	Left Hand
35	Face node (Parent)
36	Face node (Parent 2)
37	Face node (Parent 3)
38	Head
39	Right Arm (Parent)
40	Right Arm node (base)
41	Right Arm node (elbow)
42	Right Arm node (wrist)
43	Right hand node (Parent)
44	Right hand node (Parent 2)
45	Right hand

Mech Eggman

ID	Description
0	Root node
1	Mech's Legs node (Parent)
2	Mech's Left Leg node (base)
3	Mech's Left Leg node (calf)
4	Mech's Left Foot node (heel)
5	Mech's Left Foot node (toe)
6	Mech's Right Leg node (base)
7	Mech's Right Leg node (calf)
8	Mech's Right Leg node (heel)
9	Mech's Right Leg node (toe)
10	Mech's Chest node (Parent)
11	Missile/Laser Blaster node
12	Lock-on Laser node
13	Cannon node
14	Pilot's root node
15	Pilot's chest node (Contains array for the body)
16	Pilot's Arms node (Parent)
17	Pilot's Left Arm node (Parent)
18	Pilot's Left Arm node (base)
19	Pilot's Left Arm node (elbow)
20	Pilot's Left Arm node (wrist)
21	Pilot's Left hand node (Parent)
22	Pilot's Left hand
23	Pilot's Right Arm node (Parent)
24	Pilot's Right arm node (base)
25	Pilot's Right arm node (elbow)
26	Pilot's Right arm node (wrist)
27	Pilot's Right hand node (Parent)
28	Pilot's Right hand
29	Pilot's Face node (Parent)
30	Pilot's Face node (Parent 2)
31	Pilot's Head
32	Pilot's Face node (Parent 3)

Mech Tails

ID	Description
0	Mech's Root node
1	Mech's Legs node (Parent)
2	Mech's Chest node (Parent)
3	Cannon node
4	Lock-on Laser node
5	Pilot's root node
6	Pilot's Chest node
7	Pilot's Left Arm node (base, contains array for arm)
8	Pilot's Left Arm node (Parent)
9	Pilot's Left Arm node (Armpit)
10	Pilot's Left Arm node (elbow)
11	Pilot's Left Arm node (wrist)
12	Pilot's Left hand
13	Pilot's Right arm node (base, contains array for arm)
14	Pilot's Right arm node (Parent)
15	Pilot's Right arm node (armpit)
16	Pilot's Right arm node (elbow)
17	Pilot's Right arm node (wrist)
18	Pilot's Right hand
19	Pilot's Face node (Parent)
20	Pilot's Face node (Parent 2)
21	Pilot's Face node (Parent 3)
22	Pilot's Right eye
23	Pilot's Left eye
24	Pilot's head
25	Pilot's face node (end)
26	Yoke node
27	Mech's Right foot node (base)
28	Mech's Right foot node (calf)
29	Mech's Right foot node (toe)
30	Mech's Left foot node (base)
31	Mech's Left foot node (calf)
32	Mech's Left foot node (toe)

Chao Walker/Dark Chao Walker

ID	Description
0	Root node
1	Mech's Arms + Legs node (Parent)
2	Mech's Right Arm
3	Mech's Left Foot node (base)
4	Mech's Left Foot node (heel)
5	Mech's Left Foot node (toe)
6	Mech's Left Arm
7	Mech's Right Foot node (base)
8	Mech's Right Foot node (heel)
9	Mech's Right Foot node (toe)
10	Mech's Chest node (parent)
11	Lock-on Laser node
12	Floating ball node
13	Cannon shot node
14	Pilot's root node
15	Pilot's chest node
16	Pilot's Arms node (Parent)
17	Pilot's Left Arm node (Parent)
18	Pilot's Left Arm node (base)
19	Pilot's Left Arm node (elbow)
20	Pilot's Left Arm node (wrist)
21	Pilot's Left hand node (Parent)
22	Pilot's Left hand
23	Pilot's Right arm node (Parent)
24	Pilot's Right arm node (base)
25	Pilot's Right arm node (elbow)
26	Pilot's Right arm node (wrist)
27	Pilot's Right hand node (Parent)
28	Pilot's Right hand
29	Pilot's Face node (Parent)
30	Pilot's Face node (Parent 2)
31	Pilot's Head
32	Pilot's Face node (Parent 3)