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How Hazbin Hotel & Helluva Boss fans at conventions helped the shows' casts realize how big it would be even before the ratings came in
Voice actors had no inkling when asked to do Helluva Boss for YouTube that the show would blow up in popularity and end up on a major streaming service.

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It's been a helluva ride for the cast of the hit YouTube musical adult animation Helluva Boss. The voice actors had no inkling when they signed on to the black comedy focusing on an assassination squad in hell that it would blow up in popularity, racking up tens of millions of views online and eventually landing on Amazon Prime Video.
"They said that exact thing. They came up to us and said this might not seem like much now, but in five years, this will be on Prime Video," cast member Morgana Ignis jokes at Fan Expo Chicago.
Ignis, who plays the cheerfully violent imp demon Sallie May on Helluva Boss, says she just agreed to make art with a friend, not expecting much. She knew creator Vivienne "VivziePop" Medrano, who also made the hit Hazbin Hotel in the same hell-based universe.
"When Viv approached me with the idea of being in her show, it had not exploded yet. It was an off-the-cuff thing she asked if I’d be interested in being in at her New Year’s party in her shitty old apartment. She lived there with four other animators, trying to make it. She said, 'I have a show, do you want to be in it?'" she said. "She asked, 'Do I want to be in the show?' and I said, 'Yeah, cute.' The answer is fucking no. I did not expect to turn into this at all, nor for a character that had 26 seconds of screentime to immediately do conventions all over the world."
Moxxie voice actor Richard Steven Horvitz says he didn't know anything about the creator when he first met her.
"I knew she was on something called the interwebs," he quips.
Adam Maxwell Burton had worked with Horvitz on his show The Grim Adventures of Billy & Mandy and recommended him to Medrano.
She asked him if he knew anyone who would do an adult show.
"Maxwell said, 'Well, he's an adult. So there's a good chance he'll do it," he says. "Viv went to my agents, and my first instinct was it's a YouTube show. I've never done a YouTube show."
He came around after meeting Medrano and reading the script, deciding he would "hitch his wagon to this."
"Then at conventions I had been doing, I started seeing cosplay for Hazbin before Hazbin came out, before the pilot even came out," he says. "Then I saw Helluva Boss cosplay and thought, 'wow, this could be big.'"
Bryce Pinkham, who plays Stolas, was taking care of a new baby and recorded the first season not knowing what show he was on.
"It showed up, the script was there, I had done the audition, I sung the lullaby, something about it was special," he says. "Then when the first episode came out I said, 'oh, that's the show I'm on."
His Helluva Boss castmates joke he had found the baby after moving into a new house, that he was now traveling around the country looking for the real parents, and that Amazon Prime also acquired the baby.
Here's how to watch Hazbin Hotel (and its spinoffs) in order.
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