Tikal the Echidna

Sonic The Hedgehog #82 (First appearance), 83-84, 263

Sonic Super Special #13

Sonic Universe #'s 7-8 (Alternate universe), 53 (Off-Panel), 63 (Voice only), 66, 70 (Off-Panel), 75 (Variant cover)

Last updated: May 28, 2015

Chaos

 
Sonic The Hedgehog #'s 79 (First appearance), 83-84, 106 (Cameo), 213 (Flashback), 251, 263

Sonic Super Special #13

Sonic Universe #'s 7-8 (Alternate universe), 53, 63, 69 (Flashback)

Mega Man #27 (Crossover)

Last updated: October 30, 2014

E-102 Gamma

E-102 Gamma
 
Sonic The Hedgehog #80 (First appearance), 81

Sonic Super Special #13

Sonic Universe #3

Last updated: July 13, 2014

Big the Cat

Sonic the Hedgehog 80 (First Appearance), 83, 84 (Cameo,) 85, 98 (Cameo) 125, 148, 212 (Off Panel), 213, 214, 222 (Off-Panel) 224 (Cameo), 231, 235 (Cameo), 236, 239-241, 242 (Alternate Universe), 247, 251 (Off-Panel), 253, 256-257, 260, 261 (Off-Panel), 262, 264 (Off-Panel), 266-267, 269, 273-275, 278-279

Sonic Universe #28-31 (Alternate Universe), 35 (Cameo), 50 (Cameo), 53 (Cameo), 71-75, 77

Sonic Super Special #13

Sonic Super Digest #11 

Sonic Boom #'s 9-10

Mega Man #'s 27 (Crossover/Cameo/Off-Panel), 50-52

Last updated: March 11, 2016

Chao

Chao

Note: This refers to Chao in general. For Cream's pet Chao, Cheese, see Cheese the Chao.

Sonic the Hedgehog 82 First Appearance:Sonic Adventure Tie-In, 84 SA Tie-In, 121 Cameo, 122, 138 Cameo, 171, 173, 174, 199, 217, 222, 260-263, 270 (Cameo)

Sonic Universe #52, 54

Last updated: March 15, 2015