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 (剛健ヒーロー 烈レッ怒ド頼ライ雄オッ斗ト Gōken Hīrō Reddo Raiotto?), is a student in Class 1-A at U.A. High School, training to become a Pro Hero. Eijiro is a muscular young man of average height and a rather impressive physique for his young age. He has red eyes pointed slightly inwards, and a small scar just above his right eye. He also has small eyebrows and pointed teeth. His hair is dyed bright red. He is an alpha.