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. . He has unruly black hair, which he wears tied back in a low messy ponytail at the base of his neck. His bangs fall over his eyes in an uneven fringe. irises a deep sapphire that fades to a lighter blue and their pupils a bluish-black. Giyu always wears a stoic and unbothered expression on his face. And he’s the one and only water pillar!