This page will provide you information on the hex values of chao on Dreamcast VMU's

If you have any corrections or questions please contact me on twitter or youtube 

0xA00 Type

0-Empty
01-Egg
02-Child
03-Good (Unobtainable)
04-Bad (Unobtainable)
05-Neutral/Normal
06-Hero/Normal
07-Dark/Normal
08-Neutral/Swim
09-Hero/Swim
10-Dark/Swim
11-Neutral/Fly
12-Hero/Fly
13-Dark/Fly
14-Neutral/Run
15-Hero/Run
16-Dark/Run
17-Neutral/Power
18-Hero/Power
19-Dark/Power
20-Neutral/Chaos
21-Hero/Chaos
22-Dark/Chaos
22+n-Crashes game, No special chao in this version

0xAA8 Texture

00-normal
01-gold
02-silver
03-Shiny Red
04-Shiny Green
05-Shiny Blue
06-Shiny Pink
07-Topaz
08-Amethyst
09-Emerald
10-Ruby
11-Sapphire
12-Onyx
13-Pearl
14-Moon

0xA9E Mouth

01-Toothy Grin VVVV
02-Open O
03-Smile V
04-No mouth
05-Open grin C 8
06-Open Frown 8 C
07-Wide Smile 8 ]
08-Squiggle / upset MM
09-Upside down Toothy Grin ^^^^
10-Closed frown 8c
11-Upside down open/ Gasp O
12-Cat mouth :3
13-Pencil Moustache - -
14-Squigly face ~--~
15-Squigly with teeth V~--~V

0xA9D Eyes

00-normal
01-Squint/cry > <
02-Closed -_-
03-Upturned closed / \
04-Happy ^^
05-Small pulples?
06-Circles
07-Down closed U-U
08-Small puples (Again)
09- Half closed
10- Angry
11-Green Chaos
12-Blue Chaos
13-Yellow Chaos

0xAA6 Medals

In Progress

0xAA4 Hats

01-pumpkin
02-skull
03-egg

0xAA5 Leg toggle

00-Legs
01-no legs

0xAAA Chao Body

01-egg
02-omochao
03-animal

0xAA7 Color

01-black
01-Gray
03-White
04-blue
05-Lime green
06-Salmon
07-red
08-Dark blue
09-green
10-pink
11-orange
12-sky blue
13-purple

0xAB4-0xAB7 Animal parts

In progress

0xA08-0xA0F- Chao name

A=21 B=22
C=23 D=24
E=25 F=26
G=27 H=28
I=29 J=2A
K=2B L=2C
M=2D N=2E
O=2F P=30
Q=31 R=32
S=33 T=34
U=35 V=36
W=37 X=38
Y=39 Z=3A