Muzan Kibutsuji from Demon Slayer: Kimetsu no Yaiba has the following physical appearance:  Hair: Curly black hair Eyes: Almond-shaped, plum red cat-like eyes Skin: Pale skin Nails: Long blue nails Build: Lean and muscular Clothing: White fedora with a red ribbon, black tuxedo, white tie, black dress shirt, white dress pants, and black loafers Muzan can also change his appearance, such as when he disguised himself as a woman to meet the Lower Ranks. He wore a long black yukata and a chignon hairstyle.  Muzan is a member of the Ubuyashiki family, and looks similar to Kagaya Ubuyashiki. However, Muzan doesn't use the Ubuyashiki surname.  Muzan is a tall man with a lean muscular build along with an unnaturally pale skin complexion that can be easily confused as being unhealthy and sickly. He has curly black hair and sharp, almond-shaped eyes. His irises are cat-like in appearance and are of a plum red color.