The Chaotix (カオティクス Kaotikusu) are a group of detectives who will take on any request as long as they are paid, but they have a policy of not taking on any wrongdoing, no matter how high the fee. They have their own detective agency, but they are poor and behind on their rent. The group comprise of the leader Vector the Crocodile, ninja spy Espio the Chameleon, and co-founder Charmy Bee. Mighty the Armadillo is seen as a forgotten member of the Chaotix outside Japan. This can be in the Archie Sonic comics (North America) and Sonic the Comic (United Kingdom). He was never made to be a member and he is generally see as not one of the members in Japan.
The team's name is also the original name of the game Knuckles' Chaotix for the Mega Drive 32X version, released on April 21, 1995 as a spin-off of the Sonic series.
For more details refer to the article Knuckles' Chaotix.
Sonic Series Knuckles' Chaotix Vector the Crocodile Espio the Chameleon Charmy Bee Mighty the Armadillo