Shidou is a tall, tanned young man with spiky blond hair with two strands falling down the sides of his face. He has pink eyes with white pupils resembling a cat's, and he is similar in height and build to Rin Itoshi. He is very expressive and is often seen with a grin or a smirk resembling a joker. a person with a strong preference for violence or, more specifically, physical conflict.