In the past, Hellaverse creator Vivienne Medrano has stated that Zim’s universe had a big impact on her story, with even Zim’s voice actor, Richard Steven Horvitz, brought onto Helluva Boss to play ...

Richard Horvitz is already a cornerstone of the Helluva Boss and Hazbin Hotel creative team – not only does he voice Moxxie in Helluva Boss, but he also serves as the voice director for both shows, ...