Espio

Espio the Chameleon is a character from the Sonic the Hedgehog series, and a member of the team; Chaotix, along with Vector the Crocodile, and Charmy Bee. He will appear in the upcoming Mario & Sonic at the Olympic Games, but his current role is unknown. It appears that he may be a referee, but some evidence points to him be a playable character. However, his exact role will not be revealed until a later date.