Espio the Chameleon (エスピオ・ザ・カメレオン Esupio Za Kamereon) is a chameleon who is a ninja warrior. He is described as the "opinionated number one" of the Chaotix, also being the calmest. He has a "militaristic discipline" while also being quiet and laid back. Confident in his skills, opinionated and self-obsessed, he revels in training and self-discipline.