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The End is the Beginning by Mors regem reviews
"I'm going to be sore in the morning." Izuku said, climbing out of the wrecked car, "note to self, stay away from windows when fighting." Izuku thought walking back towards the building entrance. Izuku's life was never the same after his 4th birthday. Everyone believes it's because of his quirkless or from the loss of his mother in a freak accident, but only Izuku truly knows.
Crossover - Hellboy & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Chapters: 1 - Words: 2,052 - Reviews: 10 - Favs: 63 - Follows: 69 - Published: 3/29/2020 - Hellboy, Izuku M., Inko M.
The Court of Thorns by Dawnblade2015
Ten years have passed since Nuada made Pen his queen, Ten years of peace and the establishment of a Freehold where the Singers rule preserving and sharing knowledge with all the kingdoms human and Sidhe. Then on a Samhain night, riders in red ring mail appear on the road demanding directions to the High Court, Signaling the return of a race long thought banished...The Aen Elle
Crossover - Hellboy & Witcher/Wiedźmin, Andrzej Sapkowski - Rated: M - English - Family/Supernatural - Chapters: 25 - Words: 35,991 - Favs: 3 - Updated: 3/12/2020 - Published: 2/11/2020
Beltane by Dawnblade2015 reviews
A long-ago Beltane is remembered by Crevan/Avallac'h...set in Court of thorns continuity
Crossover - Hellboy & Witcher - Rated: M - English - Chapters: 1 - Words: 898 - Reviews: 1 - Favs: 1 - Published: 2/28/2020
Hellboy's Hero Academia by Nekri Techne reviews
During the incident, All Might destroys a machine to another dimension. A creature named Hellboy escapes from the dimension and is found by the Midoriya family. They adopt him and he tags along with his new brother as he strives to become a hero still. With evil lurking around every corner of the world, will the apocalypse be able to rise or will the young heroes prevent it?
Crossover - Hellboy & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Supernatural - Chapters: 15 - Words: 56,751 - Reviews: 62 - Favs: 344 - Follows: 307 - Updated: 2/16/2020 - Published: 1/2/2018 - Hellboy, Izuku M., Mina A.
Ire lokke, ire tedd by Dawnblade2015
"Another place, another time" Ciri and Avallac'h end up in grave danger, rescued by Pen Aep Danu...the Lady Thorn...and taken to a place where they are legends the Red Riders are already gone and defeated. But not is all as it seems, the Lady Thorn holds secrets, ones that contradict the legends...Cross over with Life Singer...on hiatus until sorted with Cort of thorns
Crossover - Hellboy & Witcher/Wiedźmin, Andrzej Sapkowski - Rated: M - English - Romance/Family - Chapters: 32 - Words: 32,586 - Favs: 1 - Updated: 2/9/2020 - Published: 1/26/2020
Hellboy: Night of the Slashing Mutants by Lewis II reviews
A mission in Mexico requires the skills of two of the most lethal elements of both the BPRD and the X Men. They might not like the idea but they must work together in order to succeed.
Crossover - X-Men & Hellboy - Rated: M - English - Adventure/Mystery - Chapters: 1 - Words: 1,751 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 12/29/2019
M isn't for Miss America by MarahSoore reviews
Supers are real and the BPRD has to pick up the slack. Agent M Oakland is called back to the BPRD after an 'event' that made her leave five years previous. Only M's return takes a turn for the worst as she becomes the center of a time sensitive event that takes her to 1943. Her knowledge of the super soldier program might save her or a shadow from her past might show himself.
Crossover - Hellboy & Avengers - Rated: M - English - Adventure/Romance - Chapters: 16 - Words: 42,387 - Reviews: 11 - Favs: 6 - Follows: 13 - Updated: 5/29/2019 - Published: 12/3/2015 - [OC, K. Kroenen] Captain America/Steve R., Bucky Barnes/Winter Soldier
Child from Hell by HaretaSora reviews
Kushina Uzumaki never was who she seemed to be, underneath everything she was actually a powerful demoness summoned by Uzu when they faced destruction in the war. As time went on Kushina stuck around out of curiosity, fell in love, and gave birth to a baby boy only to die protecting him. Naruto is left behind in Konoha but he won't be left alone for long. Naruto x Harem
Crossover - Naruto & Hellboy - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 6,200 - Reviews: 80 - Favs: 750 - Follows: 789 - Published: 4/24/2019 - [Naruto U., Shion, Sakura H., Hinata H.]
The Reckoning by Obsidian3 reviews
In 1944, rescued from her prison by the Allies, Carmilla winds up becoming part of the newly formed BPRD. Seventy years later, their newest mission requires her to face her past, confront her mother... and deal with one annoyingly persistent journalism student. (Hellboy crossover AU)
Crossover - Hellboy & Carmilla - Rated: T - English - Drama/Adventure - Chapters: 40 - Words: 191,661 - Reviews: 6 - Favs: 26 - Follows: 21 - Updated: 3/20/2019 - Published: 3/31/2016
The mystery of the library books (idk) by Dreamer Red Streak reviews
This little short is based on a strange dream i had awhile back XD it was too neat not to wright. (this story has no connection to my other stories.)(this is the version of Carmen Sandiego from the new Netflix cartoon.)
Crossover - Where on Earth is Carmen Sandiego & Hellboy - Rated: T - English - Mystery/Adventure - Chapters: 1 - Words: 1,416 - Reviews: 4 - Favs: 7 - Follows: 5 - Published: 3/10/2019 - Carmen S., Hellboy
Hela, and Rin's Fate by Jackie Hallowell87 reviews
When the daughter of the Hellboy comes to True Cross Academy, all Hell breaks loose as Satan wants her as his son's bride. Will Rin be able to save his girlfriend? Will Hela have to become the daughter of Anung Un Rama to save the World from ending? Rin/Hela, Hellboy/Oc, O.O.C.
Crossover - Hellboy & Blue Exorcist/青の祓魔師 - Rated: M - English - Fantasy - Chapters: 1 - Words: 591 - Reviews: 2 - Favs: 6 - Follows: 6 - Published: 1/13/2019 - [Rin O., OC] Hellboy
Winchesters Ain't the Only Hunters by BlackColoredPencils reviews
During a much-less-than-successful hunt, the Winchesters are narrowly rescued by a much different kind of monster with an odd obsession with cigars and cats. Probably should be rated K, but there's a tiny bit of minor German cursing.
Crossover - Hellboy & Supernatural - Rated: T - English - Supernatural/Fantasy - Chapters: 1 - Words: 1,157 - Reviews: 3 - Favs: 30 - Follows: 28 - Published: 1/8/2019 - Hellboy, J. Krauss, Sam W., Dean W.
Legacyverse: Symphony of Shadows by Autistic-Grizzly reviews
When an old enemy resurfaces after decades Hellboy and a newly put together team must now out race him to the dreaded Symphony of Shadows which will allow him to rule the world. Will they be able to pull it off or are we doomed to live in a world of shadows. Spinoff to Transformers Legacy of the Lost.
Crossover - Anime X-overs & Hellboy - Rated: M - English - Fantasy/Suspense - Chapters: 10 - Words: 20,593 - Reviews: 9 - Favs: 4 - Follows: 3 - Updated: 5/17/2018 - Published: 2/22/2018 - Full-Metal Alchemist, Hellboy - Complete
Bethmora's Consort by Finn35 reviews
While looking for a way to break the curse and bring Bethmora back to its former glory, he runs into a young wizard who just wants to belong. Together they will bring about a era for humans, wizards, and magical creatures alike. M/M SLASH Nuada/Harry
Crossover - Harry Potter & Hellboy - Rated: M - English - Romance/Adventure - Chapters: 7 - Words: 11,680 - Reviews: 56 - Favs: 437 - Follows: 565 - Updated: 5/14/2018 - Published: 10/4/2015 - [Harry P., Prince Nuada]
Of trench coats and cigarettes by Lee Ken Tam reviews
The world's greatest paranormal investigator meets the world's greatest con man. When a mysterious artefact of immense power finds itself in the hands of the Natural History Museum of London, Hellboy and Constantine have to work together to ensure that the artefact doesn't fall into the wrong hands. Please R&R.
Crossover - Hellboy & Hellblazer - Rated: T - English - Mystery/Supernatural - Chapters: 29 - Words: 52,757 - Reviews: 15 - Favs: 38 - Follows: 34 - Updated: 5/12/2018 - Published: 11/10/2016 - Hellboy, John Myers, OC, J. Constantine
Hell hounds aren't your only problem by Kindred01 reviews
"What kind of name is Stiles?" "A nickname and be grateful I am even telling you that!"
Crossover - Hellboy & Teen Wolf - Rated: M - English - Family/Supernatural - Chapters: 1 - Words: 780 - Reviews: 4 - Favs: 92 - Follows: 81 - Published: 2/20/2018 - [Hellboy, John Myers] [Derek H., Stiles S.]
Cigars by CrazywithaComputer reviews
Logan steps out for a smoke and finds a light in the strangest of places...
Crossover - Hellboy & X-Men - Rated: T - English - Chapters: 1 - Words: 1,592 - Reviews: 8 - Favs: 21 - Follows: 12 - Updated: 1/27/2018 - Published: 3/20/2014 - Hellboy, Wolverine - Complete
The Butterfly and the boy from Hell by Blessingtheoniking reviews
Marco Diaz otherwise known as the world's greatest paranormal investigator 'Hellboy' tries to live a semi normal life in Echo creek with his partners Liz and Abe, that is until they meet a certain magical princess from another dimension comes along. And Hellboy's past and destiny come to unravel.
Crossover - Star Vs. The Forces of Evil & Hellboy - Rated: T - English - Supernatural/Adventure - Chapters: 4 - Words: 8,144 - Reviews: 15 - Favs: 50 - Follows: 46 - Updated: 11/23/2017 - Published: 11/19/2017 - [Marco D., Star B.] Abe S., Liz S.
Naruto hellboy challenge by teden254 reviews
Challenge
Crossover - Naruto & Hellboy - Rated: T - English - Chapters: 1 - Words: 77 - Reviews: 4 - Favs: 2 - Follows: 3 - Published: 9/23/2017 - Complete
Dead Heroes by alcimines reviews
Hellboy runs into a dead hero. Then they go hunting.
Crossover - X-Men & Hellboy - Rated: M - English - Chapters: 1 - Words: 5,242 - Reviews: 5 - Favs: 28 - Follows: 7 - Published: 9/4/2017 - Complete
Agent Swan 20 by LabyrinthineTwilight reviews
Recently Adopted by MidnightShaddix. I've really been blocked lately so I've decided to let go Things changed for Bella after Edward left. She left Forks for a new life which has brought her back home to face an evil that's attacking civilians and force her to face her mistakes. (AU post-New Moon, after the Golden Army but with some changes ie Liz not being pregnant)
Crossover - Hellboy & Twilight - Rated: T - English - Chapters: 4 - Words: 5,818 - Reviews: 20 - Favs: 57 - Follows: 61 - Updated: 5/19/2017 - Published: 6/8/2015
Agent Swan by LabyrinthineTwilight reviews
This was the original story that was meant to be updated in version 2.0. That story was recently Adopted by MidnightShaddix. I've really been blocked lately so I've decided to let go. Bella is no longer the girl Edward left, n as an agent of the BPRD she's going back to Forks to face her past and an enemy that disappears as soon as its seen.
Crossover - Hellboy & Twilight - Rated: T - English - Supernatural - Chapters: 4 - Words: 3,166 - Reviews: 37 - Favs: 75 - Follows: 84 - Updated: 5/19/2017 - Published: 4/15/2012
Kroenen of Undead by The new god reviews
Kroenen is reborned in an alternate reality, watch as he and his undead army roamed the battlefield.
Crossover - Hellboy & Youjo Senki: Saga of Tanya the Evil - Rated: M - English - Chapters: 1 - Words: 213 - Reviews: 6 - Favs: 10 - Follows: 9 - Published: 2/21/2017 - K. Kroenen
Hellboy meets the Doctor (and Amy and Rory) by PunkPinata reviews
This is my first Fanfic. It is about Amy and Rory telling the Doctor that they want to spend some time in Paris. But soon they discover some odd Creatures who have some shady plans with a Black Sabbath Concert and they meet our favourite Tall, Red, Horned Giant Hellboy. I haven't finished it but I am going to continue it soon.
Crossover - Doctor Who & Hellboy - Rated: T - English - Adventure/Supernatural - Chapters: 2 - Words: 2,194 - Reviews: 1 - Favs: 5 - Follows: 3 - Updated: 2/7/2017 - Published: 1/31/2017
Nazi Fairy by The new god reviews
Karl Ruprecht Kroenen suddenly found himself in Fiore and his body is turned back to when he was still a child.
Crossover - Hellboy & Fairy Tail - Rated: M - English - Chapters: 12 - Words: 35,273 - Reviews: 10 - Favs: 27 - Follows: 26 - Updated: 12/10/2016 - Published: 11/26/2016 - K. Kroenen
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