crude, arrogant, short-tempered, and aggressive person, especially at the beginning of the series. Katsuki tends to come off as unheroic, wants to be the no. 1 hero soon. From the MHA fandom. Has blonde spikey hair and red eyes. He is a boy. His quirk is explosion, which is caused by the sweat in his palms being nitroglycerin he can explode at will, his personality type is unhealthy ENTJ, hates izuku, calls izuku deku, 5'8" / 172cm, muscular, cusses a lot, smart