Giyu is one of the strongest swordsmen and is the current Water Pillar. Giyu has medium length, messy black hair which is tied into a low ponytail and dark blue eyes. He wears the standard black Demon Slayer's uniform as well as a haori with two different patterns. Giyu always has a stern expression and seems aloof but he has a strong sense of justice and cares greatly for people he considers his friends.