Helluva Boss Crossovers
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Helluva Team by OmegusXIII
One side has a profession for killing people. The other is determined to save them from themselves. In the place of eternal torture, an evil force is hellbent on undoing all of their efforts, and those sides must come head to head if they are to save their souls... and their jobs.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Supernatural/Angst - Chapters: 2 - Words: 32,373 - Published: 4m - [Loona, OC] [Charlie, Vaggie]
I Gotta Condemn by Mr. Freeman
Parappa dies 3 years after the events of Parappa the Rapper 2 and is now an Alpha Hellhound running a "business" in hell, but he has a score to settle with his old rival, Joe Chin, so he hires I.M.P. to kidnap him, but they accidentally dragged Sunny down with Joe and now the flower girl's friends is forced to work together with the imps to find Sunny and bring her back to Earth.
Crossover - Parappa the Rapper & Helluva Boss - Rated: M - English - Supernatural/Adventure - Chapters: 2 - Words: 2,164 - Follows: 1 - Updated: 5h - Published: 1/1 - Parappa R., Sunny F., Blitzo, Stolas
Heaven And Hell Bond by Metalbrony823 reviews
Lincoln Loud meets a cool girl from the depths of Hell, who is really a Hellhound named Loona. He slowly becomes friends with Loona she slowly begins to like him in return. Yes, a new kind of friendship erupts from these two as they spend time together, and Lincoln makes new friends and enemies along the way Loud house goes to Nickelodeon Helluva Boss goes to Vivziepop
Crossover - Loud House & Helluva Boss - Rated: M - English - Friendship - Chapters: 107 - Words: 164,850 - Reviews: 638 - Favs: 257 - Follows: 238 - Updated: 7h - Published: 7/28/2022
IMP Special sponsor by Cheetah kid reviews
I.M.P hasn't got much from just killing their clients target as there low on money & needed help as someone have great interest in them & want to sponsor them and even offer them support and funding to help I.M.P thrive easy and well. (disclaimer: helluva boss belong to vivziepop & other cartoon, movies and animes that I show here belong to their respective owners as OCS are mine)
Crossover - X-overs & Helluva Boss - Rated: M - English - Parody/Humor - Chapters: 3 - Words: 8,246 - Reviews: 5 - Favs: 1 - Updated: 18h - Published: 12/27/2023 - Blitzo, OC, Millie, Moxxie
The Song of Ruin by James Golen reviews
The Demiurge has revealed himself, and declared a vendetta against God. Hell is in turmoil as Lucifer - now with a mere imp as his Proxy - is surely planning a new war against Heaven, to reclaim the throne he calls his own. And those who are stuck on the battlefield have to find a way to survive. This is a story of how good men die. Book 2 of The Silent God Duology.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Chapters: 26 - Words: 370,821 - Reviews: 43 - Favs: 80 - Follows: 80 - Updated: 20h - Published: 7/8/2022
League of Demons by 6-4 pilot reviews
Caring little about the Imp in his hand, the Iron Revenant nonetheless saw potential in him that he can use for his own gains. Nothing more. Nothing else. At least that's what he's telling himself, but a certain four-winged woman says otherwise. In the meantime, a certain bird emperor was establishing a bond with a demonic bird, who finally find what she desires. An actual parent.
Crossover - League of Legends & Helluva Boss - Rated: T - English - Adventure/Angst - Chapters: 29 - Words: 140,972 - Reviews: 49 - Favs: 58 - Follows: 71 - Updated: 1/7 - Published: 5/27/2022 - Mordekaiser, Morgana, Azir, Moxxie
Respawn by Deusblade reviews
After an incident, our MC Deus meets a wierd God, that gave him an offer that he just couldn't pass. now, with an Improved version of normal commands we will see his experiences of the world of Helluva boss (Rated M for future chapters and language. Also, Summarys ain't my streght, so ideas are appreciated.)
Crossover - Minecraft & Helluva Boss - Rated: M - English - Adventure/Supernatural - Chapters: 4 - Words: 4,238 - Reviews: 3 - Favs: 6 - Follows: 11 - Updated: 1/7 - Published: 12/13/2023 - [OC, Octavia] Blitzo
Crying for the Moon by Bratja Rasa reviews
When Fate brings two sad souls together. One, a jaded hellhound. One, a social outcast. Love blossoms upon first meeting at the end of a beer bottle. NarutoXLoonaXVerosika If you want to skip to Naruto in Hell, Start at chapter 11.
Crossover - Naruto & Helluva Boss - Rated: M - English - Supernatural - Chapters: 83 - Words: 365,066 - Reviews: 2669 - Favs: 1,375 - Follows: 1,485 - Updated: 1/7 - Published: 2/20/2022 - Naruto U., Loona, Verosika Mayday
Helluva Show by VilScreen reviews
What would happen if one Helluva Boss hired two completely Regular employees for a job at I.M.P.? Hijinks ensue, that's what. Follow Mordecai, Rigby and the rest of I.M.P. as they get the most out of Hell and face irregular challenges every other day!
Crossover - Helluva Boss & Regular Show - Rated: M - English - Humor/Parody - Chapters: 4 - Words: 16,215 - Reviews: 6 - Favs: 6 - Follows: 9 - Updated: 1/7 - Published: 12/30/2023 - Blitzo, Loona, Mordecai, Rigby
Helluva Impact: Thus the IMPs landed in Teyvat by Antonio Ferrari reviews
When the Sustainer of Heavenly Principles has an anger fit after our belived IMP friends had an accident with her, she decides to exile them to the world of Teyvat. If her plan was destroying humanity on that planet...I'm pretty sure she succeeded.
Crossover - Genshin Impact & Helluva Boss - Rated: M - English - Humor/Parody - Chapters: 19 - Words: 67,557 - Reviews: 19 - Favs: 27 - Follows: 27 - Updated: 1/7 - Published: 10/16/2021 - Blitzo, Loona, Millie, Moxxie
Try Everything by Atomsk the Pirate King
New co-op story by Twilight Master Emerald and I. Requested by JBlaster. No Flames. Only Constructive criticism.
Crossover - Zootopia & Helluva Boss - Rated: M - English - Adventure/Romance - Chapters: 1 - Words: 7,776 - Favs: 3 - Follows: 2 - Published: 1/6 - [Judy H., Nick W.] Verosika Mayday - Complete
Persona 5 Royal: The Aeon by TheDragonSaver reviews
Octavia Goetia, daughter of Stolas, is chosen to take part in a game that will decide the fate of both humanity and the world itself. Alongside her cousin Ren and her new friends, Octavia must become a Phantom Thief, changing the hearts of the wicked to save the world. (A crossover between Persona 5 Royal and Helluva Boss) [Cover art my me!]
Crossover - Persona Series & Helluva Boss - Rated: M - English - Adventure/Friendship - Chapters: 55 - Words: 463,569 - Reviews: 152 - Favs: 122 - Follows: 123 - Updated: 1/6 - Published: 10/21/2022 - Akira K./Ren A./The Trickster/Joker, Loona, Octavia, Collin
Rhapsody Ragtimers: A Ruinous Ruffians Musical! by skullBOI
Since the Vivzie-verse is technically a musical, why not write about parodies of existing music for the themes this fanfic is based on? Have a Malal cover because this shit won't ever be canon.
Crossover - Warhammer & Helluva Boss - Rated: M - English - Chapters: 1 - Words: 2,248 - Published: 1/6
Baskerville: Vampire from Hell by Ryubar Tepes reviews
During a cleanse, Octavia is saved by a human trapped in hell mortality wounded, he's brought to her father to rest and recuperate. thankful he saves the humans live via a special ritual. now, as a unique vampire, he is recommended a job at a certain Imp based company as an intermediate Murder Professional, taking revenge on behalf of the deceased (First Fanfic leave reviews)
Crossover - Helluva Boss & Buffy: The Vampire Slayer - Rated: T - English - Humor/Supernatural - Chapters: 6 - Words: 27,178 - Reviews: 2 - Favs: 10 - Follows: 12 - Updated: 1/5 - Published: 8/17/2023 - Loona, OC, Buffy S., Spike
It's a Helluva Life! by PuzzleMaster1998 reviews
Gavin Woodring had lived a pretty normal life for an 18-year-old boy. But his life changes forever after getting a package that wasn't his. OCxHarem.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 21,293 - Reviews: 13 - Favs: 100 - Follows: 105 - Updated: 1/5 - Published: 9/15/2021 - [OC, Charlie, Loona, Stolas]
John Wick 5 Contract of Hell and Heaven by NamelessMindTheImmaterium
Helluva Boss is a team of well-known assassins, but the new assignment they took on was to lead them to meet the true master of his profession, John Wick, what will be the end of this great clash, where the darkness is penetrated by something more, something that will shake up two worlds.
Crossover - John Wick & Helluva Boss - Rated: K+ - English - Adventure/Fantasy - Chapters: 2 - Words: 10,429 - Favs: 4 - Follows: 3 - Updated: 1/5 - Published: 1/1 - John W., Blitzo, Loona, Millie
Dark Railtracer by Kamzil118 reviews
When there is death, there is life. Artyom had sacrificed everything he could when he walked the earth but those days are over. Now he resides in Heaven as a reward for his deeds; however, everything is not what it seems while adjusting to this new existence. Heaven and Hell remain in an uneasy peace as the Department of Purgatory do what it can to protect it at any cost.
Crossover - Metro 2033 & Helluva Boss - Rated: T - English - Adventure/Romance - Chapters: 24 - Words: 167,207 - Reviews: 27 - Favs: 87 - Follows: 113 - Updated: 1/4 - Published: 1/27/2022 - [Artyom, Mrs. Mayberry, Verosika Mayday] Pavel
Devil May Cry: HelluvaVerse by believingispowerful7 reviews
It's a Devil May Cry (Originally created by CAPCOM) second reboot story set in the universe of Hazbin Hotel and Helluva Boss (Originally created by VivziePop). Dante must team up with I.M.P to destroy Mundus and the C.D (Corrupted Demons) that kills humans and normal demons. This story starts during and after the events of Helluva Boss.
Crossover - Devil May Cry & Helluva Boss - Rated: M - English - Adventure/Humor - Chapters: 12 - Words: 84,548 - Reviews: 6 - Favs: 16 - Follows: 17 - Updated: 1/4 - Published: 11/7/2022 - Dante, Vergil, Blitzo, Stolas
Helluva Hellhound Linka, español by eltioRob95 reviews
El trágico origen de Linka Loud antes de convertirse en una Híbrido humana y Hellhound, una criatura maldita del infierno, La historia de Linka antes de toparse con Nega, Otro crossover Loud house Helluva Boss genérico.
Crossover - Loud House & Helluva Boss - Rated: T - Spanish - Drama/Tragedy - Chapters: 1 - Words: 876 - Reviews: 3 - Favs: 1 - Follows: 1 - Published: 1/3
IMP Get Hired for a Job by Colvamoon999 reviews
Following Mammon's Clown competition, IMP get's hired by a very interesting individual. One that changes everything they thought they knew about the universe. Prologue to 'IMPs Grimm Job'
Crossover - Helluva Boss & RWBY - Rated: M - English - Family/Adventure - Chapters: 1 - Words: 1,474 - Reviews: 4 - Favs: 8 - Follows: 6 - Published: 1/3 - Blitzo, Loona, Millie, Moxxie - Complete
Project Motherhood: Verosika Mayday by Gamer95 reviews
One night, after a long night of drinking and partying, Verosika Mayday wanders and finds herself lost. She comes across a lone house atop a hill, and decides to ask for help there. Little does she know, she's going to meet a little boy that changes her life entirely... Co-Writer: ImperialStar
Crossover - Binding of Isaac & Helluva Boss - Rated: T - English - Family/Hurt/Comfort - Chapters: 2 - Words: 75,292 - Reviews: 28 - Favs: 119 - Follows: 114 - Updated: 1/3 - Published: 2/8/2023 - Isaac, Verosika Mayday
A Helluva Grim Tale by Jss2141 reviews
While IMP was going about their normal business, a new employee has come into their lives and proves to be a rather interesting addition to the group. I do not own these characters or franchises. Story also available on my Wattpad of the same name, Jss2141.
Crossover - Grim Tales & Helluva Boss - Rated: M - English - Supernatural/Fantasy - Chapters: 16 - Words: 76,218 - Reviews: 86 - Favs: 140 - Follows: 131 - Updated: 1/2 - Published: 2/4/2021 - Junior/Grim Jr., Blitzo, Loona, Moxxie
Beauties and the Moxxie: A Harem Musical by Francesco Carlini
Moxxie and the four ladies of his harem sing their feelings on a fantasmagorical stage
Crossover - Disney & Helluva Boss - Rated: M - English - Romance/Fantasy - Chapters: 1 - Words: 1,509 - Published: 1/1 - Loona, Millie, Stella, Verosika Mayday - Complete
Ouroboros by Uros Osium reviews
What would fit a tale of a new beginning? Why, a recent end. For a whole bloodline on Earth, it was the end of it all. For the remains of a botched murderous spell, it is the beginning of a life among the damned. From blood anointed by the holy servants of God, to one tainted by the Fell spell destined to consume their living essence. (M Rating just in case)
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Adventure - Chapters: 18 - Words: 263,157 - Reviews: 2 - Favs: 8 - Follows: 5 - Updated: 1/1 - Published: 4/30/2023
Harry Potter: Goetia Rising by TrueForgiveness reviews
After discovering the infant Harry Potter in the ruins of Godric's Hollow, Stolas, a powerful prince of Hell, decides to adopt the boy, performing a blood ritual to transform him into a Goetic demon and renaming him as Octavius Goetia. Fates are changed and worlds are unraveled in the rise of a new Prince.
Crossover - Harry Potter & Helluva Boss - Rated: M - English - Adventure/Supernatural - Chapters: 14 - Words: 169,528 - Reviews: 105 - Favs: 337 - Follows: 344 - Updated: 12/31/2023 - Published: 5/23/2023 - Loona, Octavia, Stella, Stolas
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