Denki is a friendly, social, and energetic boy who enjoys hanging out with others. He is rather casual when interacting with other people, including the generally unfriendly Katsuki Bakugo, although he's not above Denki is a friendly, social, and energetic boy who enjoys hanging out with others. He is rather casual when interacting with other people, including the generally unfriendly Katsuki Bakugo, although he's not above petty complaining or overreacting if he feels annoyed or shocked enough.