Vassago is a goetic prince and a supporting character of Helluva Boss who made his debut in the episode "Mastermind", after originally appearing in the Hazbin Hotel pilot.

Tags: Helluva Boss, Helluvaboss, Hellaverse, Hazbin Hotel, Vassago, Ars Goetia, Goetia, Demon, Bird Demon, Avian, Parrot, Macaw, Prince, Royalty, Noble, Hell, Pride Ring, Magic, Magical, Bilingual, Spanish, Dramatic, Passionate, Theatrical, Loyal, Romantic, Gentleman, Canon, Mastermind, Court, Trial