Eclipse The Darkling

Sonic Universe #59 (First appearance), 60-62, 65-70, 73 (Variant cover), 75 (Variant cover)

Last updated: May 28, 2015

Black Death

Sonic Universe #'s 59 (First appearance), 60-62, 69 (Flashback), 75 (Variant cover)

Last updated: May 28, 2015

Captain Metal

Note: This character was originally the Metal Sonic that appeared in Sonic The Hedgehog #'s 195-196 and Sonic Universe #1. He became his own character starting in Sonic Universe #55.

Sonic The Hedgehog #195 (First appearance), 196

Sonic X #40

Sonic Universe #1, 50 (Flashback), 55-58, 75 (Variant cover)

Last updated: May 28, 2015

The Deadly Six

Halloween Comic Fest 2013 (Sonic Lost World Adaptation)

Sonic Universe #'s 75-77

Sonic Boom #8 (Variant cover), 9

Sonic The Hedgehog #273 (Variant cover), 274

Mega Man #50 (Crossover), 51 (Variant Cover)

Mega Man: Worlds Unite Battles #1 

Sonic: Worlds Unite Battles #1 

Last updated: August 20, 2015

Mini and Mum

Sonic Universe #57 (First appearance), 58

Last updated: November 27, 2013

Burning Blaze

Sonic Universe #58 (First appearance)

Last updated: November 27, 2013

Orbot and Cubot

Sonic The Hedgehog #219 (Sonic Colors Tie-in), 236-238, 240-241, 242 (Alternate Universe), 247-257, 259, 261 (Variant Cover), 263, 265-267, 270, 272, 275 (Variant Cover), 276

Sonic Universe #37 (First canon appearance), 38-40, 44 (Off-Panel), 50, 52-53, 66 (Cameo), 75-76

Mega Man #24-27 (Crossover), 52

Halloween Comic Fest 2013 (Sonic Lost World Adaptation)

Sonic Boom #'s 1-6, 7 (Variant cover), 8, 11

Last updated: March 11, 2016

Lord Hood

Sonic Universe #46 (First appearance), 47

Sonic The Hedgehog #254, 275 (Variant Cover)

Last updated: August 20, 2015

Roboticized Masters

Note: These are roboticized versions of characters that have appeared in the Sonic/Mega Man crossovers.

Mega Man #'s 24-26, 38 (Cameo), 50

Sonic Universe #'s 51-53

Sonic The Hedgehog #'s 248-250, 273

Sonic Boom #8

Mega Man: Worlds Unite Battles #1

Last updated: June 17, 2015

Axel the Water Buffalo

Sonic The Hedgehog #253 (First appearance), 255 (Cover only), 259, 269 (Cameo), 275 (Variant Cover)

Sonic Universe #73 (Variant cover), 75 (Variant cover)

Last updated: August 27, 2015

Bow Sparrow

Sonic Universe #46 (FA), 47

Last updated: February 18, 2013

Larry Lynx

Sonic The Hedgehog #'s 12 (FA), 238, 240, 241 (CO)

Sonic Live Special

Sonic Universe #'s 41, 42 (OP), 43-44

Last updated: February 18, 2013

Shard

Also known as Metal Sonic V1.0.

Sonic The Hedgehog #'s 25 (First appearance), 57 (Flashback), 86-87, 238 (First appearance as Shard), 240, 241 (Cover only), 245-246

Sonic Universe #'s 41, 42 (OP), 43-44, 50

Knuckles' Chaotix Special

Last updated: March 13, 2013

Metal Knuckles

Sonic Universe #37 (First appearance)

Sonic The Hedgehog #'s 242-246

Last updated: March 13, 2013

Krudzu

Sonic The Hedgehog #'s 1 (First appearance), 57 (Flashback), 241, 244-246

Free Comic Book Day 2010

Last updated: March 13, 2013

Titan Metal Sonic

  

Also known as Metal Sonic Kai

Knuckles Chaotix Special (First appearance)

Sonic The Hedgehog #'s 231, 241, 246 (Titan Shard in Off-Panel)

Sonic Universe #37 (Cameo), 65 (Off-Panel)

Last updated: June 21, 2014