Hellaverse Wiki

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Hellaverse Wiki
Hellaverse Wiki

Helluva Boss is an American adult animated comedy musical web series created by Vivienne Medrano and a spin-off of Hazbin Hotel.

The series takes place within the same universe as Hazbin Hotel, but features a new cast of characters, a new tone, and a different storyline.[8][9]

The pilot was released on November 25, 2019, on Vivienne Medrano's YouTube Channel.

In 2023, Helluva Boss was nominated and won a Streamy Award in the Animated category.[10][11]

On April 25, 2025, it was announced at the LVL UP EXPO that Prime Video has partnered with SpindleHorse and will help fund[12] the making of the third and fourth seasons of Helluva Boss, which will first premiere on Prime Video and then release on YouTube 45 days later, while full creative control and ownership remains with Vivziepop.[13][14][15] The first two seasons of Helluva Boss aired on Prime Video on September 10, 2025 (UTC),[1] alongside a brand new pilot episode,[16] "Mission: Zero".[17]

Helluva Boss has a series of shorts titled Helluva Shorts that revolve around one or few of the main characters from the series and I.M.P missions, and features stories told from those characters' perspectives.

Synopsis

Pilot

In HELL, imps are the lowest of the low in society, but what happens when one starts an assassin business? This happens!
Follow Blitzo (the 'o' is silent) as he attempts to run a startup killing company in a very competitive market, 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, they manage to make their work possible and together they attempt to survive each other while trying to keep their business afloat.

Main Series

This adult animated comedy follows the misadventures, hijinks, and relationships of the Immediate Murder Professionals (or I.M.P. for short)-- a band of demon assassins from Hell who kill people on Earth for a living.[18]

This adult animated comedy follows the misadventures, hijinks, and relationships of the Immediate Murder Professionals or I.M.P. for short. A band of demon assassins from Hell who kill people on Earth for a living.

Voice cast

Main cast

Supporting cast

Minor cast

Undisclosed cast

Miscellaneous cast

  • Richard Horvitz
  • Elsie Lovelock
  • Mara Wilson
  • Jinkx Monsoon
  • Scratch track
  • Vivienne Medrano
  • Edward Bosco
  • Erica Lindbeck
  • Su Jan Chase
  • Jayden Libran
  • Morgana Ignis
  • Vivian Nixon
  • Courtney Raine Taylor

Episodes

Production

  • Vivziepop revealed the voice cast for an undisclosed upcoming project on June 14, 2019.[3]
  • The official SpindleHorse Toons Twitter account announced Helluva Boss as their upcoming series on July 24, 2019.[8]
  • The series' characters were revealed on August 04, 2019.[35]
  • SpindleHorse Toons announced the pilot would be released approximately at a later date after the pilot for Hazbin Hotel was released.[36] This date would later be revealed to be November 25, 2019.
  • Helluva Boss, unlike the Hazbin Hotel pilot, was recorded under SAG-AFTRA, allowing more Hollywood voice actors to be cast for the short. The casting for the pilot was done by Kellen Goff, who frequently visited animator Ashley Nichols animation streams.[37] The pilot's recording sessions were done in ensemble at SPG Studios in Los Angeles[9] while the series' recording sessions were done both remotely and at Horseless Cowboy in Hollywood, whom were also in charge of casting for the series.[38] Voice direction was done by Rick Zieff and Vivienne Medrano for the pilot, then by Vivienne and Richard Horvitz for the main series.
  • On April 15, 2020, Vivziepop stated she started writing new Helluva Boss in December 2019.[39]
    • She also said that recording for episodes had been delayed due to the COVID-19 pandemic.[39] However, voice actor Jayden Libran had confirmed that recording officially continued through individual, in-studio sessions, as opposed to group recordings.[40]
    • Season 1 was recorded in 2020.[41]
  • Kesha Sebert was not yet part of the series as of May 18, 2020, as Vivziepop had stated that she doesn't think Kesha knows who she is but dreams of working with her some day. Vivziepop also mentioned that since both herself and Kesha were represented by the same company, the company was reaching out to Kesha with her work.[42] And as it was stated that episode seven was the "real story finale of the season", and further explained that episode eight was created as a bonus episode anyway,[43] this means that at the time, there were only seven episodes planned for season 1.
    • In an online magazine published on October 7, 2020, the first season was said to have eight episodes.[38] Episodes seven and eight were initially planned to be a two-part season finale, however, it was decided that "Ozzie's" would be the final episode of the season, with the eighth episode serving as a standalone special, due to production delays, technical difficulties, and pertaining legal issues.[43]
  • On November 14, 2020, Vivziepop stated that they were writing season two.[44]
  • On November 13, 2021, a second season was announced, which Alex Brightman mentioned he recorded a lot for.[45]
  • The fastest an episode was created was in about four months, this excluding pre-production.[46]
  • According to Vivian Nixon, season two was recorded in 2022.[47]
    • According to Vivziepop, season two was recorded in 2020-2021,[48][5] and explained that when a character didn't play a significant role in an episode, like Loona in the early episodes, it was easier on the budget to not have them speak.[49]
  • On March 27, 2023, a third season was announced to be planned and written.[50]
  • According to Vivziepop, the most challenging/longest episode to make was "Queen Bee".[51]
    • Of the episodes released at the time, Vivziepop said on the technical side it would be "Exes and Oohs". She added that it was complicated time for "Seeing Stars" and "Exes and Oohs" because production for Hazbin Hotel season 1 had just begun.[51]
  • During a stream on August 8, 2022, Vivziepop explained that they had planned for season 2 during writing season 1 and that after recording the first season she began scripting for the second and had locked the scripts in when "Loo Loo Land" came out.[52]
    • On July 30, 2023, Vivziepop revealed that season two was written in 2020 and the entire story for the season was locked in by the release of "Loo Loo Land".[53]
  • On May 25, 2023, Vivziepop announced that the entire series has been officially mapped out.[54] Vivziepop went on to answer a question about how many seasons Helluva Boss will have, stating that it is "a very set 4 season story" and she is "very determined to tell it".[55]
    • Vivziepop also answered a question about if the songs seen so far will one day be on Spotify, saying that a soundtrack is in the works.[56]
      • Later in a video posted on December 10, 2023, Sam Haft explained that they have a bunch of new contracts and deals they hadn't anticipated when the series started, and the process of these legal things is incredibly slow.[57]
    • Vivziepop also answered a question about the release of Season 2 episode 7, saying that their realistic goal is to release it in 2023, and that it will be a special. She also mentioned that the rest of the season will come out in 2024,[58] which she later confirmed on February 17, 2024.[59]
      • Vivziepop later saying in another tweet on July 28, 2023, that she hopes to release at least episodes six and seven in 2023,[60] and that the episodes are both Fizzarolli related.[61]
  • On July 31, 2023, Vivziepop revealed in a tweet the titles for Season two episodes six through twelve.[62]
  • On August 23, 2023, Sam Haft made a tweet saying that the first song he and Andrew Underberg co-wrote together would air in the seventh episode, and that due to the song being so well-received by the team they co-wrote six more songs together for Helluva Boss.[63][64]
  • On November 16, 2023, the official Helluva Boss Twitter released a teaser for a music video that would release in December 2023.[65][66][67]
  • On November 25, 2023, Vivziepop announced that she has a fun little pilot anniversary video in the works.[68]
  • On December 11, 2023,[69] Sam Haft released a 7 hour class where he walks through writing songs for Helluva Boss, which with the permission of Vivienne Medrano and Adam Neylan[70] shows Haft write a song from assignment through to the demo for season three.[71][72][73]
    • Haft stated that the song is a gag song [74] that stays away from spoiler territory, but you will get to hear and watch a song made for Helluva Boss that probably won't be officially released for maybe a year.[75]
    • Haft also explained in an interview that he only had four days to make the song for Helluva Boss season three as well as a song for another project, neither of which he prepared for because he wanted to make the process more real so he first learns about what the songs are on camera.[76]
    • According to Haft, the contents of the song are very goofy and hysterical.[77]
  • In an interview posted on March 3, 2024, Brandon Rogers stated that episode eight of the second season was done and they had watched it in January 2024.[78] Despite this, Medrano stated the episode was still being worked on as of May 23, 2024.[79]
  • In an interview posted on July 5, 2024, Vivziepop mentioned that Helluva Boss is fully planned out.[80]
    • In the same interview, Vivziepop stated that half of season three has been written and recorded, and that Skye Henwood and Lyle Rath have joined the writing team for the third season.[5] She later explains that whilst not having yet written the scripts for the second half of season three, all it's episodes outlines are done.[81]
    • In the same interview, Vivziepop stated she wants Helluva Boss to be fifty episodes long, and because she has a set number, all the episodes are basically mapped out.[81]
  • In an Instagram post on August 28, 2024, Brandon Rogers stated that he was co-writing the finale of Season 3 with Vivziepop.[82]
  • On Nov 29, 2024, Sam Haft confirmed that he was almost done writing the season finale song for the next season.[83]
  • As announced on July 24, 2025, Atlantic Records has partnered with SpindleHorse and Prime Video to release official soundtracks for Helluva Boss, beginning with Seasons One and Two available on September 10, 2025. This announcement came with "You Will Be Okay" becoming available on all digital platforms.[84][85]

Development

  • On August 21, 2023, Vivziepop quote retweeted an animatic used in an application into SpindleHorse that used audio from a The Whitest Kids U' Know skit, which according to Vivziepop the original skit was part of what inspired the concept for Helluva Boss.[86]
  • On May 2, 2018, before the conception of Helluva Boss Vivziepop had replied to a tweet asking about cameos of demons from mythology, saying that Stolas was 100% going to appear in Hazbin Hotel.[87]
  • The demon that bears striking resemblance to Blitzo in the Hazbin Hotel pilot song "Inside of Every Demon is a Rainbow" is indeed Blitzo, whose final design was still being worked on at a time when his character was planned to be a recurring comic relief duo along with Moxxie.[88] A silhouette of Moxxie can be seen in the Hazbin Hotel pilot, as well.
    • Blitzo and Moxxie were originally intended to be recurring characters for Hazbin Hotel, as an assassin duo specifically designed as comedy relief. But, since the planned dramatic nature of the series wouldn't support too many overtly comedic characters, Vivziepop decided to develop a new, separate concept based around the two, which led to the development of the Helluva Boss series.[89][90]
  • In a tweet by Vivziepop, she explains that when she first started working on the Helluva Boss first season she didn't know what the future was for the show.[91]
  • According to Vivziepop, after the pilot aired and they really sat down to figure out where the series would go, it was a very Blitzo focused show, as he is the main character, with Moxxie offering the most play off of him, and Stolas as well because his direction changed and he's important to I.M.P and to Blitzo's story.[92]
    • Vivziepop added that while she feels for a traditional small-ensemble animated show it would be wise to establish each major character in the first season in an episode all their own, but with Helluva Boss she had no idea how far realistically the show would go so she went a much more Blitzo story building approach.[93]
    • In a mid-2025 interview, Brandon Rogers explained that whilst writing the pilot, they didn't know what they were doing or what they were writing as they didn't have a story firmly in their brains when they were coming up with it, which Vivziepop added that "it was as rough a proof of concept as possible".[94]
  • According to Brandon Rogers, the original premise was a workplace comedy with a slapstick Looney Tunes-like repeated style of going to Earth and having a wacky mission, but as Brandon and Vivziepop were writing the first episode of season one they fell in love with the characters and realized there was a strong dynamic between them.[95]
    • Vivziepop has explained that the original premise was more like The Simpsons and Family Guy, where it is sort of episodic and has some development but has to return to the status quo by the end.[96]
  • According to Vivziepop, Brandon Rogers helped her start Helluva Boss, and when she asked him to be part of the project she expected development would take a long time like her other projects that never really manifested, but he was free quite often and they immediately started work on the Helluva Boss pilot, which they wrote during the latter half of production for the Hazbin Hotel pilot.[97]
    • Vivziepop also explained that at the time a lot of artists who had just left a studio in Mexico came to her in mass looking for work and wanted to work on the Hazbin Hotel pilot, but as there were already enough people working on it she got them to work on the Helluva Boss pilot instead, which is why they released so close together.[97]
  • In a mid-2025 interview with ComicBook.com, Brandon Rogers confirmed that Helluva Boss was always meant to be four seasons in total, which is something they always knew from the very beginning alongside how the series will end, and stated that the plans haven't changed in that regard.[98]
  • In a video released on April 23, 2024, Vivziepop teased that they had in the works a way to explore the episodic nature that was originally intended for Helluva Boss outside the series.[99] This came in the form of a series of shorts called "Helluva Shorts" that began on April 26, 2024.
  • On June 26, 2024, the Helluva Boss Twitter posted an artwork in celebration of Pride Month 2024,[100] confirming and canonizing several characters sexualities.[101]

Trivia

  • Alongside some of the recurring Hazbin Hotel voice alumni, many actors who worked with writer Brandon Rogers on his YouTube channel such as Su Jan Chase, as well as actors whom worked in Broadway shows also contributed voices for the series.
  • According to Vivziepop, she was open for Richard Horvitz to voice in Hazbin Hotel, but was discouraged by it since Horvitz is SAG, which was not used in the Hazbin Hotel pilot.[102] This was later foreshadowed for Helluva Boss as Horvitz was acquired to voice Moxxie in the short.
    • While Brandon and Richard were personally acquired by Vivziepop and casting director Kellen Goff, Erica Lindbeck and Brock Baker auditioned for their roles.[103]
  • Although Helluva Boss still utilizes selective Hazbin Hotel animation talent, it also uses several animators who worked on Villainous,[104] a Cartoon Network Latin America original series, most of whom became a part of the project after leaving the series due to controversial reasons.[citation needed]
    • Alan Ituriel, creator of Villainous, is also aware of Hazbin Hotel but refuses to do any drawing requests featuring characters from the series due to copyright reasons with the exception of the FAN SERVICE stream due to the more loose rules of that stream.[note 1]
  • Although the show is set in the same universe as Hazbin Hotel, open connections between both shows are kept at a minimum due to legal concerns as Hazbin Hotel was being pitched through networks at the time before the series was acquired by A24, and Vivziepop intended for the show to be more of a standalone independent web series as the comedy nature of the show is far different compared to the comedy-drama nature of Hazbin Hotel.[citation needed]
  • Brandon Rogers, who co-wrote and voices in the show, is also known for his Mad Tea Party video on his channel. Coincidentally, a fan of Hazbin Hotel made an animatic with selective bits from said audio and Vivziepop herself commented on it; which may have been an influence for Rogers' involvement in the project.[note 2]
  • According to Vivziepop, Helluva Boss has continuity, and she thinks it would be a really fun story to explore, but is much more episodic in nature compared to Hazbin Hotel.[105]
  • Helluva Boss was produced faster than Hazbin Hotel as she gained enough experience producing Hazbin Hotel to not only assemble a new crew but also make decisions that made production more effective.[106]
  • According to RebelTaxi, who initially applied for storyboard work on the pilot, the tests for the show require artists to interpret excerpts from Brandon Rogers' work in order to be inquired.[107]
  • Jayden Libran previously worked with Vivziepop and Maxwell Atoms as a puppeteer on Atoms' shelved series, Dead Meat.
  • Jefferson Friedman, Matt Novak and Christopher French, composers whom are known for their work on DC's Harley Quinn, one of Vivienne's favorite shows, also score for the series.
  • According to Vivziepop, Brandon and herself initially wrote the episodes simultaneously by meeting once a week during lunch.[108]
  • On September 8, 2020, Vivziepop tweeted that Hazbin Hotel is a non-diegetic musical in contrast to Helluva Boss being more of a diegetic musical.[109][110] This is shown with how in Helluva Boss the songs and music are knowingly performed and heard by the characters and world.
    • In the same tweet, Vivziepop mentioned that Helluva Boss wasn't originally intended to be musical.[109]
    • Vivziepop explains in a 2022 stream that for Helluva Boss she has to find an excuse for a song number to exist in the universe, however mentions that as the series continues there is a part of her that is starting to not care as much which may lead to non-diegetic musical numbers happening.[110]
    • In a 2024 panel, Brandon Rogers explained that in Hazbin Hotel when a character starts singing the music comes out of nowhere, whereas for Helluva Boss the music for the most part exists in the world.[111]
  • In an interview with Insider, Vivziepop spoke how she and her team had to learn the limitations of the YouTube platform, with how nudity can't be shown, certain swear words will trigger YouTube's hate speech algorithms, and the first 30 seconds have to be clear of any controversial content.[112]
    • Three days after the interview, Vivienne tweeted that YouTube had censored the episode "Spring Broken" in searches and she was going to make a few edits and release a new version,[112][113] however, several hours later it was allowed to be searched for again.[114]
  • From the episode "The Harvest Moon Festival" onwards, the episode thumbnails no longer have the episode titles on them, which continues into the subsequent seasons.
  • From the second season onwards, the SpindleHorse logo at the end of every episodes' end credits now has an animated sequence.
  • Vivziepop explained in December of 2020 that while both Hazbin Hotel and Helluva Boss share the same universe, they have entirely different focuses that don't overlap much, if at all.[115] In a tweet on March 13, 2023, she explained that the two series are two sides of a coin in this Hellaverse and that they take up similar brain space for her, even though they should be treated more separate as they are also structured very differently.[116]
    • Vivziepop explained in a tweet that Hazbin Hotel has a grander narrative with a bigger theme, while Helluva Boss is intimate with a smaller scale story and zanier goals. She also stated that the tones are similar, but they are very different stories.[117]
    • When talking about the Hellaverse having many sides in an interview on October 17, 2023, Vivziepop explained that the main side deals with Lucifer, and Charlie being the princess of Hell, and Heaven, and kind of big grand themes of redemption, and is much more biblically sourced, whereas Helluva Boss deals with the Deadly Sins and the Hellborn species, and exists separately to the things happening in Hazbin Hotel.[118]
      • In December of 2020, Vivziepop explained that Hazbin Hotel is about how "redemption is a hard thing earned", and consequences of past actions, with a cast of mainly people who died and went to Hell, while Helluva Boss follows characters and societies that already exist in Hell, focusing on how the natives and Deadly Sins of Hell work and the interpersonal relationships between characters.[115]
      • In an early-2024 interview, Vivziepop explained that Helluva Boss, alongside being much more intimate and realistic, feels kind of like a soap opera and a workplace comedy, and centers around things that have to do with class systems, and flawed dysfunctional relationships, and people.[119]
    • In a tweet on March 13, 2023, Vivziepop explained that Hazbin Hotel has always had a heavier emphasis on women-led stories, while Helluva Boss has steered more towards male-led stories.[120]
  • According to Vivziepop, the characters of Helluva Boss are aware of the existence of Charlie's Hotel.[121]
  • According to Vivziepop, Helluva Boss has always been about Blitzo and his relationships, business, growth, and the society he exists in, and will continue to be what the series is about.[122]
    • Vivziepop explained that the main heart of the show is Blitzo and Stolas' relationship, and every other character and their relationship to Blitzo is what the show is about.[123]
      • Vivziepop also brought up how fans comment asking why the characters don't go on missions when the show is called Helluva Boss, which she explains that the show is about the Helluva Boss, which is why the show is called "Helluva Boss" and not called "I.M.P".[123]
    • In response to a question about character focused episodes, Vivziepop stated that, while the series focuses on Blitzo, the characters important to him all have arcs and things to spend time on as the show progresses.[124]
    • On January 20, 2025, Vivziepop explained that Helluva Boss is a show about rising above what a powerful world tries to tell you that you are, and finding love and family despite everything you have been through.[125]
  • On July 11, 2023, Vivziepop stated that guest voices, such as Norman Reedus and Kesha Sebert, were not paid more than the main cast, and everyone agreed to be in the show fairly.[126]
  • As of November 6, 2023, the pilot episode has been removed from the official Helluva Boss YouTube playlist,[127] and on November 17, 2023, was confirmed to be non-canon to the main series.[128]
  • From the episode "Oops" onward, Vivziepop has started uploading the official music videos of the songs that premiere during their respective episodes, with Look At This! being the first.
  • According to Sam Haft, the recording side of things has become like a very insular family environment where all the actors, Vivienne Medrano, and the song writers have such a clique that everyone is very comfortable with each other which makes the process smooth and easy, which Haft adds is rare in this type of business.[129]
  • According to background designer Katie Elle, background's go through a few hands for revisions and touch ups so they're never a 100% solo effort.[130]
  • According to Sam Haft, Hazbin Hotel is very insulated from the outside world and everything needs to go through a lot more layers of approval, whereas Helluva Boss is independent and self-funded so there's no one they are accountable to which gives total creative control.[131]
    • Haft added that the creative control of Helluva Boss allows Vivziepop to hear a fan song and be able to retool it so it could work in canon, but something like that would never be the case if there were a studio involved, even an independent studio like A24.[132]
  • From the Just Look My Way music video onwards, every Helluva Boss media (episodes, shorts, music videos, etc.) is accompanied by a wave of official merchandise based on said media being sold at SharkRobot's online store.
  • According to Richard Horvitz, they might eventually re-record Oh Millie with Vivian Nixon.[133]
  • Brandon Rogers explained that they still make tweaks to episodes up until they release, using the example of Vivziepop sometimes asking to re-record certain lines a week before release, and even himself giving her audio roughly a day before release. He also mentioned that sometimes they will re-record a line to match it better with how its been animated.[134]
  • Sam Haft confirmed that due to the partnering between Prime Video and SpindleHorse, Helluva Boss will have some of its budget paid by Prime instead of purely merch, but will still be animated exactly the same quality by the exact same people.[12]
    • He also confirmed that season 3 of Helluva Boss was written "well over a year before this deal happened" and won't be changed.[135]
  • As of 2025, Helluva Boss is currently the 2nd most popular indie-animated series on IMDb, behind the Glitch Productions series The Amazing Digital Circus (which was created by former Hazbin Hotel composer Gooseworx).[136]
  • On July 25, 2025, it was announced that the season will receive a Japanese dub on Amazon Prime Video.[137]
  • As Helluva Boss is now partnered with Amazon, Brandon Rogers explained that while they are writing under Amazon, and send scripts to Amazon who gives collaborative-type feedback that Rogers says is "like they're in the writers room as well", full creative control remains with Vivziepop and allows her to do more than she could on YouTube. Rogers also added that the show is getting a bigger budget.[138]
    • Vivziepop elaborated that season 3 is "the raunchiest season" in terms of content and visuals, which would have to be censored a lot for YouTube but can be seen in its full form on Prime Video.[139]
    • In a July 2025 interview, Brandon Rogers confirmed that Amazon agreed to being hands off, and the series has no limitations, so the episodes can be as long or as short as they need to be, with however many characters or locations they want.[140]
  • According to Richard Horvitz, they considered starting the series with season 3.[139]
  • As explained by Brandon and Richard at the SDCC 2025 Roundtables, when they recorded a duet together, it was the only time that they had worked in the booth with each other since the pilot because it was a scene that they had to record together or it would not have worked. This is one of the only times in the series that any of the actors have recorded in the booth together since the pilot, as recordings are usually done very separately.[141]
  • Richard Horvitz believes season 3 is the pinnacle season of both Hazbin Hotel and Helluva Boss.[142]
  • As Vivziepop has mapped out both Hazbin Hotel and Helluva Boss and knows what the arcs of those stories are and where they are going, she doesn't really need to figure them out, though while each season of Hazbin Hotel is mapped out and episode premises are set, a lot would be figured out in the writing room. The Helluva Shorts are figured out individually and have become the writers' experimentation where they have fun and could come up with a joke and make a short about it.[143]
  • At the SDCC 2025 Roundtables, Vivziepop explained that the accessibility of YouTube is really huge to get Helluva Boss to an audience, but she thinks it's a mixed bag in terms of success because the algorithm may not favor you, especially with the episode releases are sporadic over months, which negatively affects the algorithm of YouTube, as well as the censorship on YouTube and battling with getting flagged. Because of these reasons, she believes the show got really lucky with the built-in fandom it has that people know when episodes are coming and they go and they watch them.[144]
  • Vivziepop explained that sometimes for for Helluva Boss board artists would add in songs to their storyboards when they don't have scores, and because the final version of the episode cannot use the songs, songs would be created based on the reference songs. Vivziepop also sometimes lets the board artist pick a song, especially if there's a fight scene or some kind of action sequence are usually based on beats of another song for choreography.[145]
  • For unknown reasons, in many scenes of both seasons 1 and 2 in the Prime Video version, parts of the background music, sound effects, and songs have lower volume or are in some cases removed entirely.

Gallery

Pilot

Season 1

Season 2

Helluva Shorts

Videos

Miscellaneous

External Links

References

  1. 1.0 1.1 ‘Hazbin Hotel’ Spinoff ‘Helluva Boss’ Gets 2-Season Renewal & Prime Video Run DEADLINE article
  2. 2.0 2.1 2.2 Tweet by Brock Baker about Helluva Boss from the minds of Vivziepop and Brandon
  3. 3.0 3.1 3.2 Tweet by Vivziepop hinting at this new project
  4. Tweet by Adam Neylan announcing working on Helluva Boss
  5. 5.0 5.1 5.2 5.3 HAZBIN HOTEL and HELLUVA BOSS VIVIENNE MEDRANO INTERVIEW! Easter Eggs, Relationships, Updates! (8:31)
  6. 6.0 6.1 Instagram post by Vivziepop about 2024 and 2025
  7. Tweet reply by Vivienne on 4 season story
  8. 8.0 8.1 Tweet by SpindleHorse Toons
  9. 9.0 9.1 SURPRISE HAZBIN HOTEL Q and A! PART 2 (1:56:46)
  10. Viv announces Streamy 2023 nomination
  11. HELLUVA BOSS is taking home the #streamys for Animated!
  12. 12.0 12.1 "Helluva is gonna be animated exactly the same quality by the exact same people! Just some of the budget will be paid by Prime instead of purely merch" reply (TikTok)
  13. HELLAVERSE UPDATE
  14. Vivziepop about retaining ownership of Helluva Boss
  15. Vivienne Medrano & Hellaverse Cast Tease the Hazbin Hotel and Helluva Boss Crossover (0:41)
  16. Helluva Boss - Date Announce | Prime Video
  17. HAZBIN HOTEL Sets Season 2 Premiere; Andrew Durand, Alex Newell, & More Join Cast BroadwayWorld article
  18. Helluva Boss on Prime Video
  19. Michael James Ruocco clarifies role
  20. 20.0 20.1 Tweet by Erica Lindbeck
  21. BLM Helluva Charity Stream (4:41)
  22. SURPRISE HELLUVA SIGNING STREAM! (11:56)
  23. THRILLED and honored to have Harvey Guillen join the Helluva fun!! 🦜😈✨
  24. Harvey Guillén back at it!!
  25. Tweet by Jane Walker (@Janegumball)
  26. Tweet by Samantha Ames (@SamuraiAmes)
  27. Tweet by Morgana Ignis (@IgnisTwote)
  28. Lyle Rath's voices
  29. [https://www.tiktok.com/@roroofficial7/video/7484003496342129966 Rochelle Diamante TikTok confirming recast
  30. Jorge R. Gutierrez honored to have done a little guest voice for Vivziepop
  31. 31.0 31.1 HELLUVA BOSS: SEASON TWO TRAILER (LVL UP 2024)
  32. 32.0 32.1 32.2 32.3 Instagram post by Vivziebizzie about so many recording sessions
  33. 33.0 33.1 Instagram post by Vivziebizzie about recording with SMOSH co-founders
  34. Instagram post by Vivziebizzie about recording session
  35. Tweet by SpindleHorse Toons
  36. Tweet by SpindleHorse Toons
  37. Tweet by Kellen Goff
  38. 38.0 38.1 'Hazbin Hotel' creator Vivziepop teams with Horseless Cowboy on devilishly twisted 'Helluva Boss' - Skwigly Animation Magazine
  39. 39.0 39.1 Tweet by Vivienne
  40. Tweet by Jayden Libran
  41. Helluva Boss Q&A | Animate! Raleigh 2025 (3:19)
  42. VIVIENNE MEDRANO (HAZBIN HOTEL) | Double Toasted Interview (45:55)
  43. 43.0 43.1 Vivienne Medrano's season 2 update
  44. SURPRISE HELLUVA SIGNING STREAM! (59:40)
  45. HELLUVA BOSS CAST LIVE Q&A AND LIVE AUTOGRAPH SIGNING!! (32:05)
  46. Streamily.com Presents: The Helluva Boss Live Autograph Signing (02:44)
  47. Streamily.com Presents: The Helluva Boss Live Autograph Signing (06:14)
  48. Tweet by Vivziepop about season two recording and budget
  49. Tweet by Vivziepop about roles and budget
  50. Streamily.com Presents: The Helluva Boss Live Autograph Signing (17:30)
  51. 51.0 51.1 Streamily.com Presents: The Helluva Boss Live Autograph Signing (30:55)
  52. Helluva Boss SEASON 2(!!!) Watch Party (2:00:20)
  53. Tweet by Vivziepop about writing season two
  54. Viv tweet about full series map outline
  55. Viv tweet reply about the end goal
  56. Viv tweet reply about soundtrack
  57. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (11:57)
  58. Viv tweet reply about s2e7
  59. Vivziepop tweet about second half of season two
  60. Viv tweet about at least episodes six and seven in 2023
  61. Viv tweet reply about Fizz episodes
  62. Titles for the rest of season two
  63. Tweet by Sam Haft about co-writing with Andrew Underberg
  64. Sam Haft co-writing with Andrew Underberg
  65. Tweet by @IMPmurderpros about something special
  66. Tweet by Cartoon Base about music video
  67. Tweet by @IMPmurderpros about release date
  68. Tweet by Vivziepop about pilot anniversary video
  69. Sam Haft tweets his CLASS IS UP!
  70. Sam Haft got permission to record a real assignment
  71. Sam Haft announces Helluva Boss song writing class
  72. Early access to season three song demo
  73. Free 2 minute teaser of the class
  74. No spoilers, only gag song
  75. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (32:19)
  76. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (33:04)
  77. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (33:52)
  78. Helluva Boss Season 2 Episode 8 Gets Exciting Release Update from Star (Exclusive)
  79. Still a little cooking and solid dates coming for the next eps
  80. HAZBIN HOTEL and HELLUVA BOSS VIVIENNE MEDRANO INTERVIEW! Easter Eggs, Relationships, Updates! (5:26)
  81. 81.0 81.1 HAZBIN HOTEL and HELLUVA BOSS VIVIENNE MEDRANO INTERVIEW! Easter Eggs, Relationships, Updates! (1:10:30)
  82. @brandonbored Instagram post it's a helluva climax
  83. Tweet by Sam Haft about season finale song
  84. The Hellaverse is coming to Atlantic Records!
  85. HAZBIN HOTEL Sets Season 2 Premiere; Andrew Durand, Alex Newell, & More Join Cast BroadwayWorld article
  86. The Whitest Kids U' Know partly inspired Helluva Boss
  87. Tweet by Vivziepop about Stolas in Hazbin Hotel
  88. Blitzo's cameo in the Hazbin Hotel pilot (archived)
  89. SURPRISE HELLUVA SIGNING STREAM! (22:00)
  90. The Music of Helluva Boss Q&A featuring Sam Haft, Vivziepop, & more! (29:40)
  91. Tweet by Vivziepop about some core episode ideas
  92. Tweet by Vivziepop about a very Blitz focused show
  93. Tweet by Vivziepop about a Blitzo story building approach
  94. HELLAVERSE UNITES! Hazbin Hotel & Helluva Boss Cast & Creator Interview!! SDCC 2025 (3:50)
  95. Hazbin Hotel & Helluva Boss Cast | FULL PANEL | Alex Brightman and Brandon Rogers (26:22)
  96. Vivziepop LOVES BoJack Horseman | Cartoons That Curse #52 (24:44)
  97. 97.0 97.1 Vivziepop LOVES BoJack Horseman | Cartoons That Curse #52 (19:39)
  98. Helluva Boss Co-Writer Talks Series Finale (Exclusive) ComicBook.com article
  99. Vivziepop LOVES BoJack Horseman | Cartoons That Curse #52 (26:16)
  100. Tweet by @IMPMurderPros "HAPPY PRIDE MONTH FROM HELLUVA BOSS"
  101. spindlehorsetoons Instagram post (Yes, these are canon 💋)
  102. HAZBIN HOTEL Animation Cleanup Pt. 6 Ft. Edward Bosco, Michael Kovach, and Vivziepop (time needed)
  103. Erica Lindback auditioned for her role
  104. Tweet by Adolfo Tza
  105. SURPRISE HAZBIN HOTEL Q and A! PART 2 (4:56:19)
  106. 7 MILLION? WHATS NEXT? BIG OL UPDATE VIDYO!!
  107. Tweet by @RebelTaxi
  108. SURPRISE HELLUVA SIGNING STREAM! (48:25)
  109. 109.0 109.1 Tweet by Vivziepop giving fun fact about Hazbin and Helluva!
  110. 110.0 110.1 The Music of Helluva Boss Q&A featuring Sam Haft, Vivziepop, & more! (31:51)
  111. Hazbin Hotel & Helluva Boss Cast | FULL PANEL | Alex Brightman and Brandon Rogers (40:50)
  112. 112.0 112.1 'Hazbin Hotel' Creator on Show's Creation and Future
  113. Tweet by Viv about ep 3 not searchable
  114. Tweet by Viv about ep 3 being searchable again
  115. 115.0 115.1 HAZBIN HOTEL Pilot Cast LIVE Panel! (49:04)
  116. Tweet by Vivziepop about two sides of a coin in the Hellaverse
  117. Vivziepop tweet about Hazbin and Helluva are very different stories
  118. Cite error: Invalid <ref> tag; no text was provided for refs named universe
  119. Vivziepop LOVES BoJack Horseman | Cartoons That Curse #52 (18:11)
  120. Tweet by Vivziepop about women-led and male-led stories
  121. The Music of Helluva Boss Q&A featuring Sam Haft, Vivziepop, & more! (10:49)
  122. Viv tweet about the series story
  123. 123.0 123.1 Vivziepop LOVES BoJack Horseman | Cartoons That Curse #52 (1:14:42)
  124. Tweet reply about character arcs
  125. Bluesky post by Vivziepop about what Helluva Boss is
  126. Tweet by Vivziepop about guest voices
  127. Helluva Boss playlist
  128. Tweet by Vivziepop about pilot canonicity
  129. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (9:00)
  130. Tweet by Katie Elle about background's
  131. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (7:10)
  132. Sam Haft on Hazbin Hotel, Helluva Boss, FNAF, His Music Process, and More! (7:42)
  133. HELLUVA BOSS and HAZBIN HOTEL RICHARD HORVITZ INTERVIEW! Invader Zim, Moxxie, Vivziepop (14:14)
  134. HELLUVA BOSS PODCAST BRANDON ROGERS on SINSMAS, SEASON 3, BLITZO, GRANDPA IN DISNEYLAND pt 2! (3:24)
  135. "S3 of Helluva has been written well over a year before this deal happened and isn’t changing" reply (TikTok)
  136. https://m.imdb.com/search/title/?keywords=indie%20animation&explore=keywords
  137. Tweet by @dramanavi about Japanese dub
  138. Helluva Boss Voice Actor on New Season Going Uncensored & Hazbin Hotel Crossover | Interview (12:48)
  139. 139.0 139.1 Vivienne Medrano & Hellaverse Cast Tease the Hazbin Hotel and Helluva Boss Crossover (1:51)
  140. Should Brandon Rogers Be Allowed Online?? | URL w/ Courtney Miller (6:17)
  141. Hazbin Hotel & Helluva Boss Cast on What a Broadway Adaptation Would Look Like | SDCC Roundtables (23:35)
  142. Hazbin Hotel & Helluva Boss Cast on What a Broadway Adaptation Would Look Like | SDCC Roundtables (32:24)
  143. INTERVIEW: Vivienne Medrano, Creator, Hazbin Hotel and Helluva Boss - Comic Con 2025 (0:05)
  144. INTERVIEW: Vivienne Medrano, Creator, Hazbin Hotel and Helluva Boss - Comic Con 2025 (8:51)
  145. Hazbin Hotel Q&A | GalaxyCon San Jose 2025 (35:30)
Notes
  1. Fan service ;) !! (archived).
  2. Mad Tea Party - Hazbin Hotel animatic (archived).