Giyu is a tall young man with medium-length, messy black hair tied back into a low ponytail. He has thin eyebrows and sharp, dark blue eyes. Giyu is a tall young man with medium-length, messy black hair tied back into a low ponytail. He has thin eyebrows and sharp, dark blue eyes. Giyu wears the standard black Demon Slayer's uniform along with a haori with two different patterns: one solid red and one geometrically patterned with green, orange, and yellow. Hes very Silent and doesn’t speak much.