Espio is a chameleon who is a master of ninja arts. As a skilled ninja who thrives on danger, he uses stealth and speed to fool his enemies. His wariness and soulful character makes him a vital member of Chaotix Detective Agency. He is very serious, calm, wise and disciplined, but also opinionated and somewhat arrogant at times. He is usually eager to find danger to flex and polish his skills. He has very good deduction skills as well and can analyse the evil in an instant. He cares a lot for the well-being of his friends.