Sports Maxx (スポーツ・マックス Supōtsu Makkusu) is the secondary antagonist featured in Stone Ocean. Sports Maxx is an inmate at Green Dolphin Street Prison and a gangster, as well as a Stand User wielding Limp Bizkit. He cooperates with Whitesnake to complete the latter's plan, and is Ermes Costello's arch-enemy, as he murdered her sister Gloria Costello.