Joukyuu is an average guy with dark hair that he has bleached on the top at the start of the series. He wears an average set of clothes: a white shirt with black pants and shoes. When normally walking around he usually has his hands in his pockets with a bored, indifferent, or care-free expression on his face. When he gets accepted as a professor into the martial arts university Ryobu his everyday attire becomes his work suit.

Strongest creature in the world, as well as Baki's father. His back muscles have grown into the face of a Demon. He defeated the Entire United States Army by himself with only his hands. He was 18 at the time.