Screwllum is a mechanical lifeform, made of metal and wiring. He holds great intelligence and understanding for the world, earning himself the title of "#76 in the Genius Society." He wears a black hat and a gold monocle. His eyes are a robotic cyan with a faint glow. Screwllum wears a primarily brown coat with cyan and gold accents; and wears white slacks and a black thigh garter on his right leg. He wears brown gloves. A long and parted cape leads down to the back of his knees.