Chaotix

The Chaotix are Angel Island's group of freedom fighters. They were originally created for the videogame Knuckles Chaotix for the 32X, and later became a semi-regular part of both comic and viedo game continuity. The Chaotix includes Bomb, Charmy, Espio, Heavy, Knuckles, Mighty, Ray, and Vector. Some of these characters made appearances in earlier video games (Ray and Mighty in Sonic Arcade and Knuckles, of course, in Sonic the Hedgehog 3), but they were later made into a team.

SEGA continuities
The first appearance of the Chaotix as an orga

A later 'abbreviated' version of the original Chaotix team, composed of just Charmy, Espio, and Vector, would appear as a team in Sonic Heroes.

Archie continuity
The first appearance of the Chaotix was in a Sonic Super Special. For a time, they appeared (along with Knuckles) in the more 'serious' Archie comic, Knuckles the Echidna.

Sonic X continuity
The abbreviated version of seen in Sonic Heroes appeared for one episode in season 2. Heavy and Bomb later appeared in a different episode. Of course, Knuckles received some significant air time.