Giyuu Tomioka is a 21-year-old Demon Slayer. He's the Water Hashira. Giyu always wears a stoic and unbothered expression on his face. However, he has a reserved personality and a very strong sense of justice . Giyuu 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. He has unruly black hair which he wears tied back in a low messy ponytail. He has blue eyes.