Cthulhu Mythos Crossovers
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Papa Smurf Berzerker by Dreamsofiron reviews
Deep Ones killed his beloved Smurfs. It's payback time!
Crossover - Smurfs & Cthulhu Mythos - Rated: T - English - Horror/Sci-Fi - Chapters: 2 - Words: 384 - Reviews: 1 - Favs: 1 - Follows: 3 - Updated: 4/19/2018 - Published: 10/15/2017
Concerned Citizen by ZGW reviews
The truth is a responsibility. Once you know the way the world really works, what lurks in the dark corners that you never even noticed you have to ask what you're going to do about it. When young Izuku Midoriya is exposed to it in one horrifying day then he has to make a choice. Go on as he was and ignore it or somehow learn to live with it and maybe use it to achieve his dream.
Crossover - Cthulhu Mythos & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Horror - Chapters: 16 - Words: 83,201 - Reviews: 113 - Favs: 496 - Follows: 565 - Updated: 4/15/2018 - Published: 7/12/2017 - Izuku M.
It's the End of the World as We Know It (And I Feel Fine) by Quatermass reviews
(Dumbledore bashing! Lovecraft Lite!) Exploring the Dursleys' attic led Harry to discovering a few hard truths. His mother is alive and well. She has been imprisoned for years. Oh, and did we mention she's none other than the Crawling Chaos, Nyarlathotep? Watch out, Magical Britain! Sanity's going bye-bye with this Outer God and her son...
Crossover - Harry Potter & Cthulhu Mythos - Rated: M - English - Humor/Horror - Chapters: 9 - Words: 23,087 - Reviews: 287 - Favs: 2,029 - Follows: 2,357 - Updated: 4/14/2018 - Published: 12/5/2017 - [Harry P., Hermione G., Daphne G.] Lily Evans P.
Child of Light by Eric Ashley reviews
The Dwarf Ginarrbrik has found a book in the mines beneath the White Witch's castle. Jadis now plans to put in one more backup against the End of Winter. If she has too, she will destroy Narnia, like Charn, rather than give it up to the Lion, but this time by summoning an Old One from the Depths of Space. Xinthari, the Haunter of the Ring of Stone, hates the Child of Light.
Crossover - Chronicles of Narnia & Cthulhu Mythos - Rated: K - English - Horror/Supernatural - Chapters: 2 - Words: 2,969 - Reviews: 1 - Favs: 2 - Follows: 3 - Updated: 4/4/2018 - Published: 10/16/2017
Inquisitor Cthulhu: Quest for glory by Dreamsofiron reviews
Quest for glory, steel and power!
Crossover - Warhammer & Cthulhu Mythos - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 932 - Reviews: 2 - Updated: 3/4/2018 - Published: 3/2/2018
Full-Metal Alchemist Crossover Challenge by samuelalpha86 reviews
a little challenge for you peeps, of whether you make a story about the FMA cast battling the bloodthirsty, cephalopodic martians of H.G. Wells' War Of The Worlds or the Demented creatures of H.P. Lovecraft's Cthulhu Mythos. You will decide which horror they face!
Crossover - Fullmetal Alchemist & Cthulhu Mythos - Rated: T - English - Horror/Suspense - Chapters: 1 - Words: 147 - Reviews: 1 - Favs: 1 - Published: 2/6/2018 - Alphonse E., Edward E. - Complete
Silver & Gold by AwesomelyWitchy reviews
When an old friend of Bran's passes away, he takes into his care the old friend's ward - a young, quiet Omega. Their paths are quickly twined into one, and they knew there is more to their relationship than just an Alpha and the Omega he shelters. When Deep things stir, the world is put to the test, and Bran and his wolves are on the front line of it all - even his Omega.
Crossover - Alpha and Omega series & Cthulhu Mythos - Rated: T - English - Supernatural/Romance - Chapters: 23 - Words: 85,358 - Reviews: 12 - Favs: 22 - Follows: 16 - Updated: 1/18/2018 - Published: 11/5/2017 - Bran, Asil, Anna, OC - Complete
The Call of Caddaja by carlgluftgmail.com
The War Doctor has an unexpected detour on the way to the next battlefield in the War, and comes to fave an awakening Great Old One.
Crossover - Doctor Who & Cthulhu Mythos - Rated: T - English - Sci-Fi/Horror - Chapters: 4 - Words: 2,184 - Favs: 4 - Follows: 2 - Published: 1/1/2018 - War Doctor - Complete
call of kantai cthulhu by Walfastouhouballsdeep69 reviews
The nightmare corpse-city of R'lyeh…was built in measureless eons behind history by the vast, loathsome shapes that seeped down from the dark stars. There lay great Cthulhu and his hordes, hidden in green slimy vaults.
Crossover - Cthulhu Mythos & Kantai Collection - Rated: M - English - Horror/Supernatural - Chapters: 1 - Words: 573 - Reviews: 6 - Favs: 4 - Follows: 5 - Published: 12/13/2017 - Yuudachi, Kongou, Mutsuki, Fubuki - Complete
You can't deny I was the one who made a rebel out of you by RosalindAnnaBorelli
O.S. Based on A Study In Emerald - AU Hopefully on times like that you can still count on your dearest friends.
Crossover - Sherlock Holmes & Cthulhu Mythos - Rated: T - English - Friendship - Chapters: 1 - Words: 1,216 - Published: 11/13/2017 - Dr. Watson, Sherlock Holmes - Complete
A Study in Inhumanity by RosalindAnnaBorelli
Inspired by Neil Gaiman's A Study in Emerald (please read it first- it's short, probably the best short story ever and free) Now that Holmes is dead, some explaining is much needed, and his last letter to Watson may contain the answers the Doctor is looking for.
Crossover - Sherlock Holmes & Cthulhu Mythos - Rated: T - English - Drama - Chapters: 1 - Words: 1,073 - Favs: 1 - Follows: 1 - Published: 11/3/2017 - Dr. Watson, Sherlock Holmes - Complete
Spiralling by Rumour of an Alchemist reviews
AU. One-shot. Delphini is able to travel through time, and means to keep doing so, until she can ensure her father's victory. It's a shame for her that Nyarlathotep is watching... Rated: 'M'. Warning: HORROR. TRAGEDY. Major character death.
Crossover - Harry Potter & Cthulhu Mythos - Rated: M - English - Chapters: 1 - Words: 2,111 - Reviews: 8 - Favs: 34 - Follows: 15 - Published: 9/19/2017 - Lily Evans P., Delphi Riddle - Complete
Monsters in Her Mind: Sleeper Saga by Aldrian Kyrrith reviews
Sequel to Monsters in Her Mind (please read that first if you haven't). In the ruin of Brockton Bay, Cauldron investigates and the Sleeper has a role to play.
Crossover - Cthulhu Mythos & Worm - Rated: M - English - Supernatural - Chapters: 8 - Words: 14,067 - Reviews: 39 - Favs: 494 - Follows: 569 - Updated: 9/17/2017 - Published: 12/24/2016
Heralds by Iranon reviews
At an inn that sits between worlds, the messengers of two very different deities cross paths.
Crossover - Chronicles of Narnia & Cthulhu Mythos - Rated: K+ - English - Spiritual - Chapters: 1 - Words: 2,483 - Reviews: 3 - Favs: 18 - Follows: 7 - Published: 9/3/2017 - Reepicheep - Complete
WOLVERINE MEETS HIS MATCH by PetitChouLoup reviews
Wolverine is get in battle with Egypt!
Crossover - X-Men & Cthulhu Mythos - Rated: K - English - Adventure/Western - Chapters: 1 - Words: 339 - Reviews: 2 - Published: 7/30/2017 - James H./Wolverine/Logan
A SONIC X CTHULHU STORY by Optomus Wa1rus reviews
The greatest story was ever told.
Crossover - Sonic the Hedgehog & Cthulhu Mythos - Rated: T - English - Parody/Humor - Chapters: 1 - Words: 402 - Reviews: 5 - Favs: 1 - Published: 7/1/2017 - Sonic
Things Couldn't Possibly Get Worse Right? by TheRedMeanie reviews
Lucina was convinced the her future was the worst possible outcome. So when Cynthia said, "Things couldn't possibly get worse right?" she simply nodded her head and agreed. With hindsight Lucina has decided she was foolish, and that time travel is always a terrible idea, with horrible unseen consequences.
Crossover - Fire Emblem & Cthulhu Mythos - Rated: T - English - Mystery/Horror - Chapters: 1 - Words: 2,627 - Reviews: 2 - Favs: 5 - Follows: 5 - Published: 4/17/2017 - Avatar/Robin, Chrom
She Summons Sea Things by the Sea Shore by mp3.1415player reviews
Another weird idea I had while mulling over ideas for Taylor Varga which didn't quite fit in that story. Not exactly funny, it's rather more dark than I normally write. Sort of a horror story, mostly by implication. Only a short quick one-shot but it's not impossible I may revisit this one day. There's scope for more.
Crossover - Worm & Cthulhu Mythos - Rated: T - English - Adventure/Horror - Chapters: 1 - Words: 8,288 - Reviews: 58 - Favs: 772 - Follows: 427 - Published: 3/14/2017 - Kid Win, E. Piggot, Assault
A Shadow Over Us All by Vaccinium Oxycoccos reviews
This was a day full of bad ideas.
Crossover - Black Lagoon & Cthulhu Mythos - Rated: T - English - Horror/Crime - Chapters: 1 - Words: 435 - Reviews: 1 - Favs: 4 - Follows: 1 - Published: 3/5/2017 - Revy
The Flavour out of Space by fridelain reviews
A one-shot crossover of HP Lovecraft's Cthulhu Mythos and a Reviewbrah's The Report Of The Week fast food review. Inspired by a painting of Reviewbrah, which looks like a common style of illustration for HP Lovecraft works, and makes Reviewbrah look like Lovecraft having lunch.
Crossover - Cthulhu Mythos & Web Shows - Rated: M - English - Parody/Horror - Chapters: 1 - Words: 970 - Reviews: 2 - Published: 2/21/2017
The Alizarine King by choppedblazewere reviews
This is based off of abz-j-harding s Lovecraftian Doctor Strange concept and the horrifying, disturbing road that has befallen Stephan Strange since he sold his soul to the devil. With old and new enemies arise now that Dr. Strange can t protect the earth, a new legend will be told and his enemies will quiver before the throne of the Alizarine King.
Crossover - Marvel & Cthulhu Mythos - Rated: M - English - Horror/Supernatural - Chapters: 3 - Words: 3,041 - Reviews: 1 - Favs: 3 - Follows: 3 - Updated: 1/22/2017 - Published: 1/7/2017
The Dark silent one: Remake by bigbook29 reviews
An H.P. Lovecraft crossover. Following a Great Old One, as he's freed from his entrapment. While he tries to understand the ways of this new world, Twilight Sparkle tries to grasp both him and the mythos of his kind with the necronomicon. Warning: Gore/ Character insanity ...basic H.P Lovecraft stuff.
Crossover - My Little Pony & Cthulhu Mythos - Rated: M - English - Horror/Drama - Chapters: 3 - Words: 19,777 - Reviews: 4 - Favs: 28 - Follows: 40 - Updated: 1/6/2017 - Published: 11/28/2016 - Twilight Sparkle, Spike
The Monsters in Her Mind by Aldrian Kyrrith reviews
Taylor Hebert and Yog-Sothoth: two sides of a coin. How long will it be before the human and the nightmare begin to merge? How long can Taylor fend off the abyss?
Crossover - Cthulhu Mythos & Worm - Rated: M - English - Horror/Drama - Chapters: 18 - Words: 47,093 - Reviews: 173 - Favs: 1,065 - Follows: 651 - Updated: 12/24/2016 - Published: 8/16/2014 - Skitter, Tattletale - Complete
The dark silent one by bigbook29 reviews
An H.P. Lovecraft/ My little Pony crossover. Telling the tell through the eyes of Zushakon, god of death, as he awakens to find...the world he was on...has changed. Warning: Gore/ Character that's will either die or every injured...basic H.P Lovecraft stuff. please leave a review for your thoughts.
Crossover - My Little Pony & Cthulhu Mythos - Rated: M - English - Supernatural/Horror - Chapters: 9 - Words: 40,276 - Reviews: 18 - Favs: 19 - Follows: 21 - Updated: 11/28/2016 - Published: 6/10/2015 - Twilight Sparkle
The Mist and the Darksome Sea by ElliotJA reviews
The Russian schooner Demeter is lost at sea, haunted by an unspeakable evil. But is Dracula the only horror, or are there other things even more hideous lying in wait?
Crossover - Cthulhu Mythos & Dracula - Rated: K+ - English - Horror/Supernatural - Chapters: 1 - Words: 579 - Reviews: 3 - Favs: 9 - Follows: 3 - Published: 11/27/2016 - Dracula - Complete
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