Helluva Boss Crossovers
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Civil War Ultimate by TrueBlueLGfanfics
After a rift in timelines, the freedom pals from another timeline come into this timeline, and they are actually villains from their universe and team up to fight their timelines Cartman along with Butters and his demon family. Butters and the Imps AU
Crossover - South Park & Helluva Boss - Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 3,306 - Published: 13h - [Butters S., Kenny M.] Eric Cartman, Millie
Helluva Loud Adventures by heavy5commando reviews
Takes place after Helluva Loud Luck. Follow as Lincoln, Luna and the crew of I.M.P go on with their lives in this story and face old family members and some enemies. Organically posted on: 10/04/20.
Crossover - Loud House & Helluva Boss - Rated: M - English - Family/Drama - Chapters: 808 - Words: 1,944,431 - Reviews: 3618 - Favs: 266 - Follows: 203 - Updated: 14h - Published: 8/18/2021 - Lincoln L., Loona, Luna L., Blitzo
An Imps Guide To Burning Goblets by RandomName41 reviews
Coming up on his 4th year at Hogwarts School of Witchcraft and Wizardry, Harry Goetia begins having odd dreams about Voldemort. A dangerous and ancient Tournament makes things worse for the young Owl Boy.
Crossover - Helluva Boss & Harry Potter - Rated: M - English - Adventure/Fantasy - Chapters: 25 - Words: 47,408 - Reviews: 95 - Favs: 153 - Follows: 162 - Updated: 15h - Published: 2/20 - Blitzo, Stolas, Harry P.
Helluva Christmas Special by phantomprince352
Months after the event of Striker, a party is being held on Christmas Eve with Charlie Morningstar as the special guest and a live performance of How the Grinch Stole Christmas story with Geryon as the main star. (Sets after Helluva Employee)
Crossover - Helluva Boss & Hazbin Hotel - Rated: M - English - Parody/Friendship - Chapters: 1 - Words: 4,745 - Published: 12/6 - Charlie, Octavia, Stolas, OC - Complete
The Fox and the Owl Princess by severe999 reviews
what if Minato summoned Stolas to seal the Kyuubi, what if the price is an Arranged marriage. Some team 7 bashing.
Crossover - Naruto & Helluva Boss - Rated: M - English - Romance/Fantasy - Chapters: 7 - Words: 9,949 - Reviews: 96 - Favs: 286 - Follows: 341 - Updated: 12/6 - Published: 7/30 - [Naruto U., Octavia]
Star Child by Yaoifangirlnana reviews
Stella wants a child she could mold in her image and gain more power. However, she was stuck with her daughter that took after her pathetic excuse of a husband. She stays alone in her vacation home for more than a year when a male human infant with strong magic appears. She makes him hers through a ritual and he now looked just like herself. Finally, she had her perfect child.
Crossover - Harry Potter & Helluva Boss - Rated: M - English - Supernatural/Adventure - Chapters: 19 - Words: 30,046 - Reviews: 123 - Favs: 236 - Follows: 293 - Updated: 12/6 - Published: 9/14 - Stella, Stolas, Harry P.
The Adventures of LMNO by Acoustic Ghost reviews
A year has passed since Naruto became an Overlord, Blitz started a very successful business, and his relationship with Kushina has improved into a friendship. However, things are not all peaches and cream for Naruto and his Family. One member of his family has felt like something is missing and she'll go even beyond hell to find the answers to her questions. Oh and there's a Moxxie
Crossover - Naruto & Helluva Boss - Rated: M - English - Romance/Adventure - Chapters: 3 - Words: 7,944 - Reviews: 42 - Favs: 233 - Follows: 272 - Updated: 12/5 - Published: 11/6 - Naruto U., Loona, Octavia, Mrs. Mayberry
Crying for the Moon by Bratja Rasa reviews
After an emotional day, Loona leaves Hell to get away from Blitz. Struggling to graduate, Naruto studies hard, but all of it is flushed down the toilet when he meets a girl at a party. NarutoXLoonaXVerosika
Crossover - Naruto & Helluva Boss - Rated: M - English - Supernatural - Chapters: 29 - Words: 142,646 - Reviews: 932 - Favs: 854 - Follows: 980 - Updated: 12/5 - Published: 2/20 - Naruto U., Loona, Verosika Mayday
Breaking by davethespringtrapmiller reviews
jackson having been killed Is turned Into a hellspawn not remembering much of what happened and Is soon to find out how bad things really are
Crossover - Spawn & Helluva Boss - Rated: M - English - Supernatural/Crime - Chapters: 5 - Words: 3,735 - Reviews: 3 - Favs: 18 - Follows: 15 - Updated: 12/5 - Published: 6/14/2021
No Place Like Hell by BigBri590 reviews
Paul Jones was less than ordinary. He was never one for assertiveness, he let people walk all over and bully him. On one very bad day, he finds himself in Hell. Unsure of why he ended up in Hell, he sees a place called Hazbin Hotel being advertised on the news and decides to seek rehabilitation. But he soon learns that, in order to survive Hell, he'll have to change his ways...
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Supernatural - Chapters: 5 - Words: 10,222 - Reviews: 2 - Favs: 20 - Follows: 12 - Updated: 12/5 - Published: 9/28
Butters and the Imps (Helluva Version) by TrueBlueLGfanfics reviews
Part of Butters and the Imps AU
Crossover - South Park & Helluva Boss - Rated: T - English - Drama/Humor - Chapters: 1 - Words: 3,219 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 12/4 - Butters S., Loona, Millie, Moxxie - Complete
Get Out Alive by WriteAnon reviews
Life as an orphan in Hell was never easy, but at Lady Belladonna's Institute for the Enrichment and Education of Dispossessed Hellborn Children day to day life is a constant grind of exploitation and indignity. However, a new hire at the 'Donna could well change things, not only for the children interred there, but for Hell itself.
Crossover - JoJo's Bizarre Adventure & Helluva Boss - Rated: T - English - Supernatural/Drama - Chapters: 7 - Words: 42,271 - Reviews: 7 - Favs: 15 - Follows: 15 - Updated: 12/4 - Published: 10/7 - Diavolo, OC
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: 6 - Words: 30,064 - Reviews: 5 - Favs: 4 - Follows: 6 - Updated: 12/2 - Published: 11/7 - Dante, Vergil, Blitzo, Stolas
Lean On Me by JamesFames reviews
When they first met, it was killer and target. Now, Stolas has given himself the most impossible mission: change Liquid Snake for the better. Will he succeed and give this rebellious Snake a new outlook? Or will Liquid fall further onto the path of self-destruction?
Crossover - Metal Gear & Helluva Boss - Rated: M - English - Hurt/Comfort/Friendship - Chapters: 2 - Words: 3,317 - Reviews: 1 - Favs: 3 - Follows: 2 - Updated: 12/1 - Published: 11/8 - Liquid S., Octavia, Stolas, OC
Kamen Rider Neo Arsenal: Beyond Worlds by Nuva7999
Arriving to the world of Helluva Boss/Hazbin Hotel Takashi company by Maira they both encounter an all too familiar enemy from the past, Ika former enforcer and right hand of The Brotherhood already making their move in this universe. Why are they there for and for what reason they'll have to uncover their plans and discover the reason for their arrival.
Crossover - Kamen Rider & Helluva Boss - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 5,239 - Published: 11/30 - OC, Loona
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)
Crossover - Persona Series & Helluva Boss - Rated: M - English - Adventure/Friendship - Chapters: 5 - Words: 24,581 - Reviews: 8 - Favs: 19 - Follows: 25 - Updated: 11/30 - Published: 10/21 - Akira K./Ren A./The Trickster/Joker, Loona, Octavia, Collin
Revelation by Birddudedave reviews
Alastor has killed Lucifer and taken control of hell. The conditions and brutality are…well, hellish. After a disastrous TV interview that ends up causing public outcry, Alastor and his forces center in on Imp city in hopes of putting an end to the chaos. And Moxxie unwillingly finds himself serving as the face of a rebellion against the new order.
Crossover - Hazbin Hotel & Helluva Boss - Rated: T - English - Chapters: 47 - Words: 240,405 - Reviews: 23 - Favs: 25 - Follows: 21 - Updated: 11/29 - Published: 3/8 - Alastor, Charlie, Moxxie, Octavia
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: 31 - Words: 53,995 - Reviews: 172 - Favs: 121 - Follows: 115 - Updated: 11/28 - Published: 7/28
Harvest Moon Festival (Butters and the Imps) by TrueBlueLGfanfics reviews
Millie takes Butters to her family ranch for the Harvest Moon Festival. Butters and the Imps AU
Crossover - South Park & Helluva Boss - Rated: T - English - Humor/Romance - Chapters: 1 - Words: 1,702 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 11/26 - Butters S., Millie, Moxxie, Striker - Complete
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: 10 - Words: 27,894 - Reviews: 8 - Favs: 26 - Follows: 33 - Updated: 11/25 - Published: 5/27 - Mordekaiser, Morgana, Azir, Moxxie
Helluva Scream by TrueBlueLGfanfics reviews
Billy Loomis hires I.M.P. to kill Sidney Prescott
Crossover - Scream & Helluva Boss - Rated: T - English - Horror/Crime - Chapters: 4 - Words: 3,973 - Reviews: 4 - Updated: 11/25 - Published: 11/18 - Billy L., Sidney P., Stuart M., Blitzo - Complete
Cherubs at the Hazbin by guron65 reviews
After a rough few weeks of no new customers, Charlie's luck turns around when she hires the now fallen angels of C.H.E.R.U.B to work at the Hazbin Hotel. Their skills are nothing to laugh at, but can they put away their prejudice against demons to help?
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Hurt/Comfort - Chapters: 3 - Words: 4,972 - Reviews: 4 - Favs: 13 - Follows: 13 - Updated: 11/25 - Published: 6/7 - Cletus, Collin, Keenie
A Fishcake's Helluva Life Change by pain17ification reviews
Doubting his own abilities and fed up with his failure to improve under incompetent instructors, Naruto takes some time to unwind on the beach of a port town. Happening upon a concert on the beach, Naruto never could've guessed that he'd become involved in the workings of Hell itself. His life was in for one helluva change the night he met a certain popstar. Naruto/Verosika/Harem
Crossover - Naruto & Helluva Boss - Rated: M - English - Fantasy/Romance - Chapters: 3 - Words: 25,210 - Reviews: 333 - Favs: 1,315 - Follows: 1,507 - Updated: 11/24 - Published: 12/25/2021 - [Naruto U., Verosika Mayday, Loona, Stella]
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 not a story of glorious war. This is a story of how good men die.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Chapters: 10 - Words: 110,346 - Reviews: 11 - Favs: 43 - Follows: 46 - Updated: 11/20 - Published: 7/8
Make-Up by Jacob D. Mercer reviews
Takes place between Chapters 17 and 18 of Hazbin Hotel: The Unexpected Help. John and Verosika have make up sex. Pure and simple.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 2,701 - Reviews: 2 - Favs: 8 - Follows: 5 - Published: 11/19 - [OC, Verosika Mayday]
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