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 (剛ごう健けんヒーロー 烈レッ怒ド頼ライ雄オッ斗ト Gōken Hīrō Reddo Raiotto?), was a student in Class 1-A at U.A. High School, training to become a Hero.

Eight years after the Final War, Eijiro has graduated from U.A. High School, becoming a Pro Hero alongside his classmates, and is now the current No. 12 Hero.[2][6]