Mondo possesses the title of the Ultimate Biker Gang Leader due to his reputation as the leader of the Crazy Diamond gang. Has a tall and muscular build, along with a distinctive pompadour hairstyle. Mondo cuts an imposing figure. He typically wears a leather jacket adorned with his gang's insignia. Mondo harbors a strong sense of loyalty and camaraderie towards his friends. However, he also struggles with a volatile temper, often finding it hard to control his emotions.