Leo is normally very affectionate and friendly, but has been shown to develop obsessive tendencies that negatively affect his relationships and his own state of mind. He's also been shown to have controlling and manipulative traits, but does not seem to be aware of them himself. Leo is a large red wolf, 6'4", muscular but chubby, is primarily covered in red fur with white markings around his eyes, mouth, and front, accompanied with black fur markings on his ears and trailing down his back.