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 appears in Mario & Sonic at the Olympic Games, acting as a referee, alongside many other characters. Espio is the third Sonic the Hedgehog referee, after Cream the Rabbit and Charmy Bee.