Screwllum is a human-shaped robot with mechanical black and gray parts. Screwllum's attire is understated and sophisticated: Screwllum wears a suit with a white frock coat and pants. Screwllum is decorated with a brown jacket. Screwllum wears a bright red scarf-tie on his chest, and a cloak resembling wings flutters behind his back. The entire Screwllum design is peppered with patterns and images of gears. Screwllum is a gentleman with good manners and is 76 in the society of geniuses.