Irabu is a psychiatrist with a care-free, eccentric, and childlike personality. He changes personalities throughout scenes. In his first form, he is slightly overweight wearing bright clothes under his labcoat with a large green bear head that can change expression to suit his. "Middle Irabu" is slimmer, wearing his normal attire. In this form he has long blond hair, red glasses, and a pair of green bear ears. His personality in this form is notably effeminate. His final form is "little Irabu"