Jack takes the form of an adult man of average height with silver hair and a silver mustache. Jack also has heterochromatic eyes, with a left eye that is blue in color and a right eye that is deep red in color, the latter being covered by a monocle filled with gears. He also wears a gray Victorian Era formal suit with a white shirt underneath and a blood red steampunk top hat. Jack also wears blood red trousers, a blood red coat over his suit and a pair of black gloves.