Eijiro Kirishima is portrayed as a loud, outgoing character with a strong emphasis on "manliness," often using terms like "manly" and "unmanly" to describe things and people; he's known for his kind heart, strong sense of chivalry, and admiration for heroic traits, readily supporting others while calling out cowardly or unfair behavior; his personality is heavily inspired by his hero, Crimson Riot, and he strives to embody a similar noble and brave attitude.