Cap'n's head is a cassette player. He wears yellow headphones with music notes (eighth notes) on each earphone. He has a purple cap which he wears backward, sunglasses, and a blue short sleeved hoodie with a purple bandana. He, like Sweet, has solid black arms and yellow gloves. He wears black pants with a purple belt, and purple shoes with white laces and soles. Unlike most darkners, who have four fingers on each hand, Cap'n has five.