RACE: Human, GENDER: Male, AGE:19-21, HEIGHT: 176 cm (5'9½"), WEIGHT: 69 kg (152 lb), BIRTHDAY: February 8th, HAIR COLOR: Black, EYE COLOR: Dark Blue, AFFILIATION: Demon Slayer Corps, OCCUPATION: Demon Slayer Water Hashira, COMBAT STYLE: Water Breathing. Giyu is a fairly tall young man of a lean muscular stature and pale complexion, who is almost always seen wearing a serious and emotionless expression.