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by MrDrProfessor4 reviews
While out for some relaxation, Ruby and her friends stumble across a series of dark secrets connected to an unimaginable horror resting beneath the sea. Terror and madness transpire as they try to understand this new foe they're up against. Written to be accessible for those unfamiliar with the Cthulhu mythos.
Crossover - RWBY & Cthulhu Mythos - Rated: T - English - Adventure/Horror - Chapters: 20 - Words: 84,430 - Reviews: 99 - Favs: 83 - Follows: 85 - Updated: 5/4 - Published: 10/9/2015 - Ruby Rose, Team RWBY
by Trogdor7620 reviews
A young man from Earth is mysteriously transported to Remnant, where he meets some very familiar faces. But when he is drawn into a planet-wide conspiracy, the lines between truth and lies, fact and fiction, are beginning to blur. And he may be the only one who can stop it. A self insertion fiction of RWBY, of which I do not own.
RWBY - Rated: T - English - Adventure/Friendship - Chapters: 43 - Words: 164,743 - Reviews: 361 - Favs: 466 - Follows: 544 - Updated: 4/21 - Published: 1/1/2014 - [OC, Yang Xiao Long] Ruby Rose, Weiss Schnee
Five Nights at Penny's
by Crocodilefan reviews
A silly Nutz n' Doltz story I came up with, this is my first story so go easy on me.
Crossover - RWBY & Five Nights at Freddy´s - Rated: K - English - Horror/Humor - Chapters: 7 - Words: 6,542 - Reviews: 15 - Favs: 17 - Follows: 30 - Updated: 12/22/2015 - Published: 11/16/2014
Harry Potter and the Methods of Rationality
by Less Wrong reviews
Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... COMPLETE.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 122 - Words: 661,619 - Reviews: 32255 - Favs: 19,226 - Follows: 15,677 - Updated: 3/14/2015 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
Five Nights at Pyron's
by NewtGirl reviews
"Ruby gets a job as a night guard at a kid's place called Pyron Kasai's Pizzeria. How hard could it be?" OC Animatronics.
Crossover - RWBY & Five Nights at Freddy´s - Rated: T - English - Horror/Suspense - Chapters: 5 - Words: 6,740 - Reviews: 18 - Favs: 17 - Follows: 17 - Updated: 11/23/2014 - Published: 10/19/2014 - Ruby Rose, OC
How To Survive In Middle Earth When You're A Teenaged Girl
by Peppery Mints reviews
When you get dumped into Middle Earth, you start missing things. Little things. You know, like toilets. And hairbrushes. And tampons. And people who speak English. You know what else? Canon is super-easy to mess up. Now the whole world may end and it's all because of me.
Lord of the Rings - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 25 - Words: 81,101 - Reviews: 454 - Favs: 290 - Follows: 422 - Updated: 8/1/2014 - Published: 4/12/2013 - Boromir, Legolas, Eomer, OC
Kyoko Sakura and the Mostly Unpleasant Wizarding World
by ShinichiKudoOwnsMySoul reviews
The Wizarding World had no idea what sort of savior was headed their way-moreover, what they got was a trash-talking, sarcastic, candy-eating, gluttonous girl called Kyoko Sakura, who takes orders from no one. Heaven help us, for the Wizarding World will not last much longer with the wily anarchistic Puella Magi doing as she pleases. Expect bashing and parodying most fanfic plots.
Crossover - Harry Potter & Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 2,342 - Reviews: 13 - Favs: 48 - Follows: 48 - Published: 5/8/2014 - Albus D., Kyoko S., Sayaka M.
A Wish to Surpass Entropy
by Arachnian reviews
The Lutece twins attempt to convince Kyubey to stop a fight between a certain Puella Magi named Anna DeWitt and an inter-dimensional witch of unimaginable strength.
Crossover - BioShock & Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: T - English - Sci-Fi/Tragedy - Chapters: 1 - Words: 2,485 - Reviews: 4 - Favs: 10 - Follows: 3 - Published: 2/17/2014 - Elizabeth, Robert L., Rosalind L., Kyubey - Complete
Let Me Kill It With You
by Sinangeled reviews
Buffy's not happy to be working with the FBI, and they aren't thrilled about her presence either. But Hannibal doesn't mind. Five 1300 word drabbles from different perspectives. Minimal spoilers.
Crossover - Buffy: The Vampire Slayer & Hannibal - Rated: T - English - Horror - Chapters: 5 - Words: 6,991 - Reviews: 11 - Favs: 32 - Follows: 22 - Updated: 1/13/2014 - Published: 10/20/2013 - Buffy S., Will G., Hannibal L., Alana B. - Complete
The Demon Clown
by Razell reviews
Torren-Wraeth battles IT. Very short, dark and violent.
Crossover - It & Cthulhu Mythos - Rated: M - English - Horror/Supernatural - Chapters: 1 - Words: 1,443 - Reviews: 1 - Favs: 2 - Published: 1/10/2014 - Pennywise/IT, OC
by Xnasha Minstrel reviews
Little girls in the middle of nowhere are easy pickings for orcs. Little girls with giant sniper-rifle scythes, however, are not.
Crossover - Lord of the Rings & RWBY - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 637 - Reviews: 78 - Favs: 100 - Follows: 86 - Published: 10/26/2013 - Ruby Rose
Monsters Shaking Hands
by Jujulica reviews
In a bar in Miami, Florida, Dexter meets a man with his own Dark Passenger. Only this one isn't really a Passenger. He's always the one driving. Drabble?
Crossover - Dexter & Sherlock - Rated: K+ - English - Chapters: 1 - Words: 701 - Reviews: 8 - Favs: 36 - Follows: 10 - Published: 6/28/2012 - Dexter M., J. Moriarty - Complete
Gideon: Rise to Power
by 41Naf-Redips reviews
In this unoffcial prequel to the Scott Pilgrim series, see how the League of Evil Exes formed and look behind the mind of Gideon Gordon Graves!
Scott Pilgrim - Rated: T - English - Suspense/Tragedy - Chapters: 13 - Words: 17,644 - Reviews: 20 - Favs: 16 - Follows: 14 - Updated: 6/15/2012 - Published: 12/3/2010 - Gideon G.
by wallflower1 reviews
The Dollhouse deals in fantasy, but that is not their purpose. Echo discovers their true purpose.
Crossover - Dollhouse & Cthulhu Mythos - Rated: M - English - Drama/Horror - Chapters: 1 - Words: 1,996 - Reviews: 1 - Favs: 2 - Published: 4/17/2012 - Echo/Caroline F. - Complete
by StakeTheHeart reviews
Sequel to Double Trouble. Read that first. Mindy and Dave come up with an idea for a relaxing night out but their return to crimefighting quickly swerves into dangerous territory. One Shot
Crossover - Kick-Ass & Let Me In, 2010 - Rated: M - English - Supernatural - Chapters: 1 - Words: 9,965 - Reviews: 5 - Favs: 14 - Follows: 3 - Published: 9/5/2011 - [Owen, Abby] Dave L./Kick-Ass, Mindy M./Hit Girl - Complete
by StakeTheHeart reviews
Who would win in a fight? A cute but deadly assassin or a supernatural creature that looks like a normal little girl? What happens when these two meet face to face? There's only one way to find out. O/A & M/D One Shot
Crossover - Kick-Ass & Let Me In, 2010 - Rated: M - English - Supernatural - Chapters: 1 - Words: 9,021 - Reviews: 7 - Favs: 23 - Follows: 7 - Published: 8/26/2011 - [Owen, Abby] Dave L./Kick-Ass, Mindy M./Hit Girl - Complete
Wrappings of Gauze
by Flatlander Jr reviews
George thought she'd seen it all…then a freak tornado picks her up and deposits her in a whole other county, where two men she dubs Glaring Hunk and Prince Charming have got a job for her.
Crossover - Dead Like Me & Supernatural - Rated: T - English - Fantasy/Supernatural - Chapters: 1 - Words: 2,403 - Reviews: 3 - Favs: 34 - Follows: 6 - Published: 7/26/2011 - George L. - Complete
Scott Pilgrim Versus The USA!
by Firewolf99 reviews
When the American military comes knocking, Scott finds himself fighting for love, life, and the fourth wall. Well done for clicking on this category out of sheer boredom. Here: have a fanfic!
Crossover - Call of Duty & Scott Pilgrim - Rated: T - English - Adventure - Chapters: 1 - Words: 9,122 - Reviews: 8 - Favs: 10 - Follows: 1 - Published: 12/21/2010 - Cpt. John Price, Scott P., Ramona F., Young Neil - Complete
Harry Potter and the Great Cthulhu
by Keith B. Real reviews
Voldemort is small potatoes compared to the Great Old Ones, much to he and the rest of the HP crew's dismay.
Crossover - Harry Potter & Cthulhu Mythos - Rated: T - English - Horror/Supernatural - Chapters: 15 - Words: 15,683 - Reviews: 62 - Favs: 47 - Follows: 56 - Updated: 8/11/2010 - Published: 5/24/2006 - Harry P.
by Voads reviews
What if Dave had died on his first outing, what if Harry Potter happened to be around to save him... in a manner of speaking that is.
Crossover - Harry Potter & Kick-Ass - Rated: M - English - Chapters: 1 - Words: 7,858 - Reviews: 28 - Favs: 132 - Follows: 49 - Published: 6/8/2010 - Harry P., Katie D. - Complete
Something Undead This Way Comes
by Psychopithicus reviews
One-shot set in RogueFanKC’s Misfitverse. Set before “Kingdom Hearts: Mutants of Twilight”. The Heartless reawaken a powerful undead warlock in an attempt to gain a useful advantage, but they find him to be much more than they bargained for.
Crossover - Kingdom Hearts & Looking for Group - Rated: T - English - Humor - Chapters: 1 - Words: 1,581 - Reviews: 9 - Favs: 19 - Follows: 7 - Published: 12/2/2009 - Complete
Some worlds don't like Visitors
by Barricade reviews
In a world with Nazi Vampires, Visitors aren't welcome...
Crossover - Hellsing & V, 2009 - Rated: M - English - Horror/Parody - Chapters: 1 - Words: 1,184 - Reviews: 6 - Favs: 10 - Follows: 4 - Published: 11/18/2009 - Complete
Harry's in the House
by SinfulPerfection reviews
When Harry contracts a muggle illness, St. Mungo's is baffled. So Dr. House agrees to take the case. But House is a little too interested in wizardry, and Ron is a little too interested in Cameron. Despite all of this, will they save Harry in time?
Crossover - Harry Potter & House, M.D. - Rated: K+ - English - Humor - Chapters: 9 - Words: 14,202 - Reviews: 158 - Favs: 166 - Follows: 260 - Updated: 8/28/2009 - Published: 6/20/2009
Daphne Greengrass and the 7th Year From Hell
by WhiskeyTangoFoxtrot reviews
The trio's gone. Death Eaters are running Hogwarts. Ginny's finding her own way and Daphne's trying not lose hers. A story about friendship, the power of love and family. Tracks DH. Romance, Dumbledore's Army, and Weasleys galore! HPGW and MCDG. CH. 44 UP
Harry Potter - Rated: M - English - Drama/Friendship - Chapters: 46 - Words: 244,852 - Reviews: 469 - Favs: 85 - Follows: 76 - Updated: 8/23/2009 - Published: 5/4/2008 - Ginny W., Daphne G.
by The Codemeister reviews
This One-Shot takes places immediately after Voldemort kills Charity Burbage in the first chapter of Book 7, What would Happen if Sylar somehow showed up and all hell broke loose.
Crossover - Harry Potter & Heroes - Rated: K+ - English - Humor/Parody - Chapters: 2 - Words: 2,676 - Reviews: 33 - Favs: 32 - Follows: 29 - Updated: 5/5/2009 - Published: 4/20/2009 - Voldemort, Sylar/Gabriel G.
The Red Witch and the Hellsing Vampire
by noongunfight reviews
The Slayer Council, and the Hellsing Organization must work together to control the vampire freaks. What happens when Willow meets Sir Integra and the Vampire Alucard? Well, lets say their world is turned upside down!
Crossover - Buffy X-overs & Hellsing - Rated: M - English - Supernatural/Drama - Chapters: 52 - Words: 130,575 - Reviews: 88 - Favs: 79 - Follows: 61 - Updated: 3/3/2009 - Published: 12/23/2007 - Alucard
by Faith16 reviews
BtVSHP Crossover. Buffy and Faith get trapped inside the hellmouth with Spike and travel through a portal into another world. The slayers meet new people and learn new things and are pushed into a whole different world. COMPLETE!
Buffy X-overs - Rated: K+ - English - Adventure - Chapters: 19 - Words: 45,316 - Reviews: 62 - Favs: 32 - Follows: 31 - Updated: 3/1/2009 - Published: 9/19/2004 - Complete
The Devil May Cry in Sunnydale
by King Hawke reviews
Dante, Trish, and Lady chase a demon and find themselves in a strange town around Halloween. Who's this Slayer person?
Crossover - Buffy: The Vampire Slayer & Devil May Cry - Rated: M - English - Chapters: 8 - Words: 13,749 - Reviews: 13 - Favs: 45 - Follows: 34 - Updated: 2/3/2009 - Published: 10/15/2008
Homicidal Meter Maid
by skabs reviews
Sam and Dean go to Seattle to investigate odd deaths that center around a Meter Maid. Are these deaths accidental? Or is there something else at work? Supernatural/Dead Like Me crossover. rating for language. one shot.
Crossover - Dead Like Me & Supernatural - Rated: T - English - Supernatural - Chapters: 1 - Words: 5,897 - Reviews: 19 - Favs: 41 - Follows: 6 - Published: 8/23/2008 - Sam W. - Complete
Dumbledore's Army and the Year of Darkness
by Thanfiction reviews
Originally posted as the Dumbledore's Army Series: A novel following Neville and the D.A. through the 7th year at Hogwarts under the reign of Snape and the Carrows. Contains ALL previously posted sections.
Harry Potter - Rated: M - English - Drama/Adventure - Chapters: 25 - Words: 256,506 - Reviews: 1785 - Favs: 3,361 - Follows: 705 - Updated: 6/15/2008 - Published: 6/11/2008 - Neville L. - Complete
Daphne Greengrass and the 6th Year From Hell
by WhiskeyTangoFoxtrot reviews
COMPLETE! A Slytherin in the DA? Fighting at the Ministry? Crushing on The Chosen One? Now, I'm gonna pay. I'm Daphne Greengrass and my 6th year is turning into a bloody nightmare! An AU Slytherin and Trio friendship story tracking HBP. RHr, HPGW, MCDG.
Harry Potter - Rated: T - English - Friendship - Chapters: 31 - Words: 199,785 - Reviews: 458 - Favs: 109 - Follows: 37 - Updated: 4/25/2008 - Published: 11/25/2007 - Ron W., Daphne G. - Complete
by obsidian-fox reviews
Crossover: Harry Potter, Lovecraft Shadows in London run deeper than they ever did in Nerima. Ranma begins an epic tale of good, evil, and the vast twilight between them. Summary inside. DEAD
Ranma - Rated: T - English - Drama/Supernatural - Chapters: 9 - Words: 129,578 - Reviews: 831 - Favs: 609 - Follows: 514 - Updated: 4/12/2008 - Published: 9/13/2004 - Ranma
A Reason For Everything
by Vaneria Potter reviews
REEDITED! No one is born Evil, so what made the White Witch like that. There is a fine line between love and hate, My theory on what happened to mould Jadis into who she is. Witches POV. Goes from Before 'The Magician's Nephew' to the end of 'L,W&W'
Chronicles of Narnia - Rated: K+ - English - Chapters: 9 - Words: 12,888 - Reviews: 57 - Favs: 22 - Follows: 4 - Updated: 11/13/2007 - Published: 8/12/2004 - Jadis the White Witch - Complete
The Call Of Illyria
by Beer Good reviews
200word drabble: It’s the final battle in the alley, and the gang seem to be toast... when Illyria calls in a favour from an old and I mean OLD acquaintance to help them out. HP Lovecraft crossover.
Angel - Rated: T - English - Humor/Horror - Chapters: 1 - Words: 244 - Reviews: 5 - Favs: 5 - Follows: 1 - Published: 12/6/2006 - Complete
Ghostly Watcherly Witches
by Mist of Rainbows reviews
Willow and Dawn travel to Hermione Granger's World to collect her for Slayer training. This story is about the attempt to start up the school for the slayers of other worlds. Pairings DSWRHG, HPGW, RWOthers. Please read and review.
Buffy X-overs - Rated: M - English - Drama - Chapters: 28 - Words: 170,987 - Reviews: 24 - Favs: 34 - Follows: 14 - Updated: 12/5/2006 - Published: 9/25/2005 - Complete
From Slayer to Witch
by The Dragon's Lady reviews
Giles and Willow attempt to do a very old spell but due to Buffy’s untimely arrival, the spell which was meant for Giles hits Buffy instead and she is sent spiraling off to another place and time. The Place: Hogwarts The Time: The Murauders 7th year BSSB
Buffy X-overs - Rated: T - English - Adventure/Romance - Chapters: 18 - Words: 116,721 - Reviews: 411 - Favs: 154 - Follows: 139 - Updated: 11/10/2006 - Published: 2/27/2004
Harry Potter and the Mystical Key
by cbrownjc reviews
Update Chpt. 7, Pt. I: Another in the BtVSHP crossover genre. A chance meeting and dark alliances lead Buffy, Dawn and the Scoobies into the world of Wizards, Witches, and assiting in the Second War against Voldemort. HarryDawn, RonHermione
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Adventure/Romance - Chapters: 8 - Words: 58,781 - Reviews: 122 - Favs: 72 - Follows: 96 - Updated: 9/26/2006 - Published: 4/19/2005 - Dawn S., Harry P.
The Call of Cutethulhu
by Piccolo Sky reviews
[H.P. Lovecraft] A slightly different look at The Call of Cthulhu. What if the horrid squid monster looked a lot like his toy store counterparts?
Misc. Books - Rated: T - English - Parody - Chapters: 1 - Words: 4,362 - Reviews: 13 - Favs: 40 - Follows: 6 - Published: 3/22/2006 - Complete
A lullaby for C'thuluh
by Bagge reviews
[Lovecraft] A bedtime song for the great old one.
Misc. Books - Rated: K+ - English - Poetry/Parody - Chapters: 1 - Words: 231 - Reviews: 7 - Favs: 6 - Published: 2/16/2006 - Complete
by Kristen257 reviews
An answer to my own challenge posted months ago to my groups. What if the monks had sent Dawn to someone else? Voldemort is after the key for purposes better left alone and the monks send her to Harry Potter for protection.
Buffy X-overs - Rated: T - English - Chapters: 7 - Words: 12,318 - Reviews: 8 - Favs: 6 - Follows: 13 - Updated: 12/30/2005 - Published: 4/7/2004
The Memories That Never Were
by kiara87 reviews
Buffy remembers Dawn Dawn remembers Buffy. But it's all a lie and are fake memories really enough? Tells the tale of seasons 1 thru 5 but with Dawn.
Buffy: The Vampire Slayer - Rated: K+ - English - Drama - Chapters: 9 - Words: 29,095 - Reviews: 73 - Favs: 22 - Follows: 16 - Updated: 12/26/2005 - Published: 7/29/2004 - Buffy S., Dawn S.
Dumbledore's New Army
by Lady Irish Rose reviews
After defeating the First, the Slayers are pulled into a new battle against a dark wizard called Voldemort. They join forces with Harry Potter and OotP and form an army of Slayers. FIRST INCOMPLETE DRAFT
Buffy X-overs - Rated: T - English - Chapters: 35 - Words: 198,828 - Reviews: 405 - Favs: 123 - Follows: 47 - Updated: 11/25/2005 - Published: 12/9/2003
by Qihotex reviews
Buffy Summers. A demon hunt. Luna Lovegood. A virgin sacrifice. A cure for those postApocalypse blues?
Buffy X-overs - Rated: T - English - Adventure - Chapters: 1 - Words: 7,343 - Reviews: 8 - Favs: 18 - Follows: 6 - Published: 9/20/2005 - Complete
by kiara87 reviews
COMPLETE. HPBtVS. Dawn Summers is the Key, the Monks made her that but they needed a vessel to contain it. Now Dawn is starting to remember the vessel's life and she has to find out who she really is to survive. Please R&R
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: K+ - English - Drama - Chapters: 17 - Words: 74,503 - Reviews: 190 - Favs: 91 - Follows: 27 - Updated: 9/18/2005 - Published: 1/2/2005 - Dawn S., Harry P. - Complete
Haunter of the Dark
by mercva reviews
Harry fuses with the Haunter of the Dark and is raised by the wizard who rescues him. (Wizard as in HP Lovecraft wizard, that is!)
Harry Potter - Rated: K+ - English - Chapters: 7 - Words: 16,761 - Reviews: 68 - Favs: 50 - Follows: 69 - Updated: 5/19/2005 - Published: 2/6/2004
The Witches Watcher
by kiara87 reviews
BEING REVISED! COMPLETE! BtVS HP crossover. After the battle with The First, Dawn becomes a watcher and moves to Hogwarts with her slayers to help Harry prepare for the fight of his life. !BEING REVISED!
Buffy X-overs - Rated: T - English - Chapters: 25 - Words: 80,953 - Reviews: 180 - Favs: 46 - Follows: 6 - Updated: 7/30/2004 - Published: 2/19/2004 - Complete
A Harry and Cho Valentines Day in Hogsmeade
by sweetlikecandy reviews
Rated R for the sex scene. Harry and Cho go to Hogsmeade together for Valentines day while Ron and Hermione visit Fred and George at their new shop. Please review!
Harry Potter - Rated: M - English - Romance/Humor - Chapters: 6 - Words: 3,517 - Reviews: 69 - Favs: 45 - Follows: 15 - Published: 7/5/2004 - Harry P., Cho C.
We're Off to See the Wizard
by CryingDragon reviews
Buffy and the gang are stuck in yet another crossover. And they know it. And they're not happy.
Buffy X-overs - Rated: K+ - English - Humor - Chapters: 1 - Words: 4,836 - Reviews: 8 - Favs: 3 - Published: 9/5/2002
Void Empire 1: The Sum of All Shadows reviews
What happens when the Buffyverse, Harry Potter's World, and the Dark Tower all collide? Please read to find out! Don't be put off by the Horror label, it's also Comedy, Action, Fantasy, and other genres.
Buffy X-overs - Rated: M - English - Horror - Chapters: 46 - Words: 227,198 - Reviews: 26 - Favs: 10 - Follows: 7 - Updated: 7/19/2007 - Published: 6/11/2007 - Complete