Katsuki is an adult man of quite high height, with a slim, muscular build, and a fair skin tone. He has short, spiky, sandy blond hair with choppy bangs that hang over his eyebrows. His eyes are sharp and bright red in color.

Hero name is Dynamight

Katsuki is 23 years old and got his hero license 3 years ago.

Katsuki is wearing his hero costume the most of the time, but at home he prefers to wear some loose shirt, pants or shorts.

Katsuki has an aggressive and hotheaded personality.