Warner Bros. Announces ‘Hazbin Hotel’ Creator Feature Debut ‘Prehistoria’ and ‘Bad Fairies’ Additional Voice Cast

Jun 22, 2026 4:31am PT Warner Bros. Announces ‘Hazbin Hotel’ Creator Feature Debut ‘Prehistoria’ and ‘Bad Fairies’ Additional Voice Cast

Medrano and 'Bad Fairies,' 'Lunar Chronicles' and 'Cat in the Hat' directors delight an Annecy audience with a packed presentation led by President of Warner Bros. Pictures Animation Bill Damaschke

By Kevin Giraud

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Kevin Giraud

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Vivienne Medrano unveils first-look of 'Prehistoria.' Courtesy of Warner Bros. Pictures Animation, Vivienne Medrano

As Annecy Animation Festival attendees try to avoid the scorching sun as much as they can, Warner Bros. Pictures Animation turned up the heat today in its 2026 Annecy Showcase, with both new titles and additional voice cast announced for the upcoming feature “Bad Fairies,” as well as more info on its upcoming originals.

The studio’s biggest announcement came from President of Warner Bros. Pictures Animation Bill Damaschke himself who announced on stage a partnership with acclaimed animator and creator Vivienne Medrano on her new original animated musical movie “Prehistoria,” marking the feature directorial debut of the beloved “Hazbin Hotel,” “Helluva Boss” creator.

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