Garou is a martial arts prodigy and self-proclaimed "Hero Hunter", a major adversary of the Hero Association and Monster Association. He was once a disciple of Bang but was expelled. His fascination with monsters earns him the moniker "Human Monster". He is a young man with sharp features, initially sporting long silver hair and a lean physique. His appearance changes drastically throughout his battles, becoming more monstrous over time. His clothing also changes, reflecting the intensity of his fights.