Helluva Boss Crossovers
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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: 10 - Words: 48,399 - Reviews: 13 - Favs: 49 - Follows: 68 - Updated: 11/15 - Published: 1/27 - Artyom, Pavel M., Verosika Mayday, Mrs. Mayberry
The Brimstone conspiracy chapter 1 by Zeronizer reviews
After an attempt on Lucifer’s life, Charlie gathers help from I.M.P, Alastor, Her friend Phenex, the demon detective Zarak, and andrealphus, but problems soon arrive from within the group and with the investigation.
Crossover - Hazbin Hotel & Helluva Boss - Rated: T - English - Drama/Mystery - Chapters: 3 - Words: 3,074 - Reviews: 1 - Favs: 1 - Updated: 11/15 - Published: 10/31 - Complete
The Adventures of MNM VOL 1 by Acoustic Ghost reviews
Out for a stroll one day Millie finds a child on the side of the road and decides to adopt him and teach him how to raise some hell... oh Moxxie is there as well. Note: THis is a Harem story.
Crossover - Naruto & Helluva Boss - Rated: M - English - Family - Chapters: 17 - Words: 60,069 - Reviews: 315 - Favs: 549 - Follows: 613 - Updated: 11/14 - Published: 9/3 - Naruto U., Loona, Millie, Moxxie - Complete
Butters and the Imps: Bring the Crunch by TrueBlueLGfanfics reviews
Basically the DLC of South Park TFBH, but Loona replaces new kid to a degree. Butters and the Imps AU
Crossover - South Park & Helluva Boss - Rated: T - English - Horror/Mystery - Chapters: 3 - Words: 5,172 - Reviews: 3 - Favs: 1 - Follows: 1 - Updated: 11/12 - Published: 11/7 - Butters S., Jimmy V., Bradley Biggle, Loona - 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: 6 - Words: 8,619 - Reviews: 86 - Favs: 267 - Follows: 316 - Updated: 11/7 - Published: 7/30 - [Naruto U., Octavia]
As Below, So Above by astrocitizen reviews
In a particularly twisted reality, the machinations of both the living and the dead are confounded as the World of C is slowly revealed to be more than believed. The afterlife soon becomes a new front in the battle for the future of humanity.
Crossover - Code Geass & Helluva Boss - Rated: M - English - Humor/Drama - Chapters: 6 - Words: 47,833 - Reviews: 5 - Favs: 14 - Follows: 15 - Updated: 11/7 - Published: 10/10 - Lelouch L., Blitzo
Welcome to the Apocalypse, Iruma-Kun by Shadow Joestar reviews
It was a perfect day for Iruma Suzuki who has been force to do lots and lots of work, it was the day that he decided to confess his love to one kind and strong-hearted rick girl named Selnia Iori Frameheart, hoping to become her boyfriend. But everything in the world fell apart when Hell broke loose. They must survive this new Hell together. Iruma/Harem. Other Crossover stuff more.
Crossover - Welcome to Demon School! Iruma-kun/魔入りました!入間くん & Helluva Boss - Rated: M - English - Romance/Horror - Chapters: 4 - Words: 9,580 - Reviews: 20 - Favs: 80 - Follows: 77 - Updated: 11/6 - Published: 10/8 - [Iruma S., Ameri A., Millie, Verosika Mayday]
IMP Relationship Counselling by TrueBlueLGfanfics reviews
Butters signs Blitzo, Moxxie, Millie, and Loona for relationship counselling, will it go well. Butters and the Imps AU.
Crossover - South Park & Helluva Boss - Rated: T - English - Family/Humor - Chapters: 1 - Words: 1,626 - Reviews: 1 - Favs: 1 - Follows: 2 - Published: 11/5 - Butters S., Mr. Mackey, Blitzo, Moxxie - Complete
Coon Vs IMP and friends by TrueBlueLGfanfics reviews
Cartman is back with revenge and it is up to Butters and his new demon family along with the Freedom Pals to take the Coon down for good. Butters and the Imps AU
Crossover - South Park & Helluva Boss - Rated: T - English - Chapters: 1 - Words: 3,864 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 11/4 - [Butters S., Kenny M.] Eric Cartman, Millie - Complete
VVVV by MorphMaster18 reviews
The VVVs are known as Valentino, Vox, & Velvet. But what happens when a certain imp who was betrayed by those he thought were his family, sold to the VVV & becomes the new V of the group
Crossover - Hazbin Hotel & Helluva Boss - Rated: T - English - Chapters: 2 - Words: 3,076 - Reviews: 17 - Favs: 21 - Follows: 20 - Updated: 11/1 - Published: 8/3 - Blitzo
Butters and the Imps by TrueBlueLGfanfics reviews
Butters was only 11 to find his parents mutilated in brutal fashion. But when he finds out the killers were Imp-demon creatures, he decides he needs proof that these creatures were roaming south park. He takes photos and videos, but not without being noticed, he runs into an alleyway and tries to stay under the radar, so he can show his friends what he saw. Sorry no more room.
Crossover - South Park & Helluva Boss - Rated: T - English - Hurt/Comfort/Family - Chapters: 7 - Words: 17,240 - Reviews: 10 - Favs: 5 - Follows: 6 - Updated: 11/1 - Published: 9/22 - [Butters S., Kenny M.] Loona, Millie - Complete
Helluva-raiser by catsamurai16
Blitzø meets some interesting people and things sure do happen! Inspired by the new Hellrasier movie on Hulu. Happy Halloween!
Crossover - Hellraiser & Helluva Boss - Rated: M - English - Horror/Humor - Chapters: 1 - Words: 1,056 - Favs: 1 - Follows: 1 - Published: 10/26 - Chatterer, Pinhead, Blitzo
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: 4 - Words: 3,050 - Reviews: 3 - Favs: 18 - Follows: 15 - Updated: 10/25 - Published: 6/14/2021
Halfa Demon? by Victor2120 reviews
What if Danny didn't become halfa-ghost but a halfa-demon, and he works at I.M.P. How will Danny deal with his new life, and can he keep it from his loved one.
Crossover - Danny Phantom & Helluva Boss - Rated: M - English - Horror/Supernatural - Chapters: 23 - Words: 33,000 - Reviews: 214 - Favs: 265 - Follows: 296 - Updated: 10/25 - Published: 10/15/2021 - Danny F., OC, Blitzo, Loona
Helluva Spider by Blue.404 reviews
With Loona and Peter finally moving in together, it finally seems to be like a new beginning for them. And with that new beginning comes great new threats and challenges. Let just hope they are ready to overcome them, together.
Crossover - Spider-Man & Helluva Boss - Rated: M - English - Romance/Western - Chapters: 5 - Words: 18,466 - Reviews: 16 - Favs: 23 - Follows: 24 - Updated: 10/24 - Published: 9/17 - [Peter P./Spider-Man, Loona] Millie, Moxxie
Un héroe en el inframundo by Master Ryu Shiro reviews
Decepcionado por el oscuro lado que ocultaba la seguridad pública con esta sociedad construida en mentiras, Izuku junto a Lady Nagant fueron persiguiendo a gente corrupta como vigilantes y haciendo justicia por si mismos; Pero en medio de un trabajó, Izuku repentinamente despierta confuso entre la basura en un lugar desconocido... ¿Por qué ese cartel dice Imp City? (Izuku/Harem)
Crossover - My Hero Academia/僕のヒーローアカデミア & Helluva Boss - Rated: T - Spanish - Romance/Parody - Chapters: 1 - Words: 17,235 - Reviews: 7 - Favs: 25 - Follows: 28 - Published: 10/24 - Izuku M., Blitzo, Loona, Octavia
Helluva Family by RandomName41 reviews
Prince Harry Goetia is a ten year old Heir Apparent to Paimons Throne. Now his parents are divorcing. What happens now?
Crossover - Helluva Boss & Harry Potter - Rated: M - English - Family/Hurt/Comfort - Chapters: 11 - Words: 29,470 - Reviews: 61 - Favs: 196 - Follows: 228 - Updated: 10/23 - Published: 8/4 - Octavia, Stolas, Harry P.
Helluva Hotel Series by Gameer98 reviews
A/N: Look in the next Chapter because I made it long again.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Romance - Chapters: 14 - Words: 71,517 - Reviews: 1 - Favs: 12 - Follows: 10 - Updated: 10/19 - Published: 8/30 - [OC, Charlie] [OC, Octavia]
One Helluva Loud House by Geo Soul reviews
After an unexpected Night Lincoln ends up with one Helluva new Pet. (Lemon heavy story Hazbin Hotel elements will be added in later)
Crossover - Loud House & Helluva Boss - Rated: M - English - Chapters: 3 - Words: 24,327 - Reviews: 106 - Favs: 159 - Follows: 172 - Updated: 10/10 - Published: 4/23
The Adventures of MNM, The Lemons by Acoustic Ghost reviews
These are the Stories and Lemons from the Adventures of the MNM story. Chapter references will be in each chapter.
Crossover - Naruto & Helluva Boss - Rated: M - English - Chapters: 2 - Words: 3,194 - Reviews: 14 - Favs: 163 - Follows: 161 - Updated: 10/9 - Published: 9/18 - [Naruto U., Loona, Octavia, Mrs. Mayberry]
Lincoln Goes to Hell by Mr. Dusk reviews
Exactly what it says on the tin.
Crossover - Loud House & Helluva Boss - Rated: M - English - Supernatural/Humor - Chapters: 18 - Words: 27,189 - Reviews: 98 - Favs: 92 - Follows: 94 - Updated: 10/7 - Published: 1/4 - Lincoln L., Blitzo, Millie, Moxxie
The Gray Fox and the Hellhound by JamesFames reviews
A classic story of a fox and a hound; both raised to be killers meet and bond under bizarre circumstances. And when the past comes back to haunt Loona, the two killers must work together to protect the family they worked so hard to build. Rated M for dark themes, such as abuse and potential
Crossover - Metal Gear & Helluva Boss - Rated: M - English - Romance/Angst - Chapters: 2 - Words: 4,644 - Reviews: 4 - Favs: 8 - Follows: 9 - Updated: 10/7 - Published: 8/9 - [G. Fox/Null, Loona] [T. Boss, Blitzo]
Hotel Hazbin: I Want to Paint it Black by Thatotherwritingguy
A new demon joins the Happy Hotel. One who claim to have forgotten his past but, fell from the sky. A certain princess of hell wishes to help him. Please note Mature content a head.
Crossover - Hazbin Hotel & Helluva Boss - Rated: M - English - Drama/Supernatural - Chapters: 1 - Words: 593 - Favs: 2 - Published: 10/6 - Alastor, Angel Dust, Charlie, OC
Imp Madness by guron65
In a very different Hell, Blitzkrieg, AKA Blitz, is sent to rescue his squad mates Millie and Moxxie. And wherever Blitz goes, there is no regret, no remorse, no reason, only madness.
Crossover - Madness Combat & Helluva Boss - Rated: M - English - Adventure - Chapters: 1 - Words: 1,698 - Favs: 2 - Follows: 1 - Published: 10/4 - Blitzo, Millie, Moxxie - Complete
A Loud Among Demons by TvFan2244 reviews
What happens when a normal human boy is cursed down below to the bad place itself? A series of misadventures that test the limits of how much craziness one white haired kid named Lincoln Loud can take before snapping after being taken in by a band of demon assassins, all while trying to find a way home. He just hopes he'll live long enough to make that dream a reality. On AO3.
Crossover - Loud House & Helluva Boss - Rated: M - English - Supernatural/Fantasy - Chapters: 17 - Words: 244,584 - Reviews: 1371 - Favs: 769 - Follows: 744 - Updated: 10/4 - Published: 3/8/2021 - Lincoln L., Loona, Millie, Moxxie
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