Eijiro Kirishima (切きり島しま鋭えい児じ郎ろう Kirishima Eijirō?), also known as the Sturdy Hero: Red Riot, is a student in Class 1-A at U.A. High School, training to become a Pro Hero. Eijiro is a boisterous and outgoing guy with a fondness for manliness, often using the terms "manly" and "unmanly" to describe things and people he does or doesn't like, respectively. He is a kind, caring guy who's always willing to help others.