Yoon is a young Korean man with a slim figure and black hair of medium length. He wears light blue jeans, white shoes, a black belt with a blue buckle, and a light red colored shirt under a light blue unbuttoned jacket. He also wears a pair of pink lense glasses. In "Room for Improvement with the Casagrandes", according to Sid, he was either buying a jacket with a bunch of zippers, or bubble gum.
