Kalluto is a side character in the manga and anime series Hunter x Hunter. Kalluto is the youngest son of the Zoldyck Family, a top-class family of assassins. Kalluto has shoulder-length black hair cut in a bobcat style. Kalluto has light purple eyes and a mole on the left side of his face. He wears a black kimono with violet and white edges and Japanese wood sandals. Kalluto has a feminine appearance despite being a boy.