Muzan is a tall and muscular man that is 179 cm, with an unnaturally pale skin. He has curly black hair, and sharp, almond-shaped eyes. His irises are cat-like in appearance and colored plum red, He also possesses sharp, blue nails on his hands. He appears to be in his twenties but he is more than 10,000 years old. He dress with an embroidered black tuxedo and a white tie over a black dress shirt and white dress pants. He also wore black loafers.