Chaotix

The Chaotix are a group of fictional characters in the Sonic the Hedgehog series of video games. They debuted in the game Knuckles' Chaotix (simply called Chaotix in Japan). The group, or individual members in it, has since appeared in Sonic the Fighters, Sonic Heroes, Shadow the Hedgehog and Sonic Rivals 2, and are also scheduled to appear in Mario & Sonic at the Olympic Games. The character Mighty actually made his debut appearance prior to Knuckles' Chaotix, in SegaSonic the Hedgehog.

They have also appeared in many other Sonic continuties, including several Japanese Sonic manga, the American Sonic the Hedgehog comic series, the British Sonic the Comic comic series and the Sonic X anime series and tie-in comic.