Kitaro is the main protagonist of the 'GeGeGe no Kitaro' series, a long-running Japanese manga and anime that popularizes Japanese folklore and the supernatural. He is a yōkai, a supernatural creature, and the last living descendant of the Ghost Tribe. Recognizable by his single-eyed appearance and straw vest, Kitaro is dedicated to maintaining peace between humans and yōkai. His calm demeanor, intelligence, and array of supernatural abilities, including his detachable hand and magical hair, make him a formidable protector. The series often explores themes of coexistence between the human and spirit worlds.