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The Hellaverse is the extended media franchise for the Hazbin Hotel universe created by Vivienne Medrano (Vivziepop), set across Hell, Heaven, and Earth.
Hazbin Hotel is an adult animated musical comedy series focusing on Charlie Morningstar, the princess of Hell, opening a Hotel for sinners in an attempt to reform them.
Follow Charlie, the princess of Hell, as she pursues her seemingly impossible goal of rehabilitating demons to peacefully reduce overpopulation in her kingdom. She opens a Hotel in hopes that patients will be "checking out" into Heaven. While most of Hell mocks her goal, her devoted partner Vaggie, and their first test subject, adult film-star Angel Dust, stick by her side. When a powerful entity known as the "Radio Demon" reaches out to Charlie to assist in her endeavors, her crazy dream is given a chance to become a reality.
Helluva Boss is an adult animated musical comedy spin-off series focusing on Blitzo, his relationships and business, and the society he exists in as a low-class hellborn demon.
Follow Blitzo as he attempts to run a start-up killing company, along with his weapons specialist, Moxxie, his powerhouse, Millie, and his receptionist Hellhound, Loona. With the help of an ancient book obtained by one of the princes of Hell, Stolas, they manage to make their work possible and together they attempt to survive each other while trying to keep their business afloat.