According to an animator of Hazbin Hotel, he is pansexual. He was originally a character in the webcomic ZooPhobia. Helluva Boss īlitzo Blitzo (pronounced 'Blitz') (voiced by Brandon Rogers singing voice by Michael Romeo Ruocco) is the founder of I.M.P. (Immediate Murder Professionals) and the protagonist of Helluva Boss. He has an on-and-off relationship with Stolas. He stalks Moxxie and Millie outside of work, much to Moxxie's annoyance. According to his official Instagram account, he is pansexual. Moxxie Moxxie (voiced by Richard Steven Horvitz) is the straight man weapons expert of I.M.P. He is easily annoyed by Blitzo's immaturity. In September 2020, series creator Vivienne Medrano revealed he is bisexual on her Twitter account. Millie Millie (voiced by Vivian Nixon, Erica Lindbeck (pilot) ) is the bruiser of I.M.P.
She is an extrovert and is not afraid to speak her mind, whether she's expressing excitement or flipping off a coworker. She is also highly protective of Moxxie and will go into a fit of rage if he is in danger. Loona Loona (voiced by Erica Lindbeck) is the hellhound receptionist of I.M.P. She generally has no interest in matters going on around her. Loona is usually rude and apathetic towards her colleagues.