Helluva Boss (2020) is a Animation, Comedy, Drama, Sci-Fi & Fantasy series that follows in Hell, imp Blitzø (the 'o' is silent) runs an assassin business targeting the world of the living, using a spell book borrowed from a prince of the underworld. With employees Moxxie, Millie, and Loona, they attempt to survive each other while keeping business afloat. Currently, you can watch Helluva Boss on Amazon Prime Video, Amazon Prime Video with Ads. Streaming availability may vary by country and platform over time. It has a user rating of 7.8 out of 10 from 77 votes. Fans of animation series may also want to explore similar titles below.