Giyuu Tomioka Kanji 冨岡 義勇 Rōmaji Tomioka Giyū Alias Half-and-half Haori (半々羽織 Hanhan baori?) (by Inosuke Hashibira)[1][2][3] Characteristics Race Human Gender Male Age 19 (Chapter 1) 21 (As of Chapter 28) Height 176 cm (5'9¼") Weight 69 kg (152 lb) Birthday February 8th[4] Hair Color Black Eye Color Dark Blue Affiliation Affiliation Demon Slayer Corps Occupation Demon Slayer Water Hashira Combat Style Water Breathing, he was in the butterfly mansion being calm