Behaving like a stereotypical delinquent, Mondo is foul-mouthed and can come off as a rude and an intimidating individual. When Makoto first met Mondo he did his best to keep the conversation short, as he realised Mondo could become easily aggravated depending on what was said.He was raised by his brother to become strong and mentioned that his mother would kill him if he were ever to hit a woman. He became dedicated to biking when he was young, being first allowed to ride with The Crazy Diamond