Answer
The answer to the question is Kougaiji, a pivotal character in the Saiyuki manga and anime series. Voiced by the renowned voice actor Vic Mignogna, Kougaiji is a powerful demon and former general who joins the protagonist group on their quest to the West. With his mastery over wind-based techniques, Kougaiji serves as a formidable ally and a complex character with a tragic past.