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Fullmetal Friendships » by transcribedAmbitions
First crossover! I do not own either of these.Fullmetal Alchemist & Leviathan series, T, English, Fantasy & Friendship, chapters: 8, words: 25k+, favs: 12, follows: 10, updated: 12/25/2018 published: 11/30/2011, Edward E., Deryn S.
484
Raising Angels 101 » by yaoigirl22
God has an odd sense of humor, no really he does. Why else would a flock of Angels be calling him "Mother"?Supernatural, K+, English, Humor & Family, chapters: 19, words: 22k+, favs: 962, follows: 802, updated: 11/19/2017 published: 11/3/2011, Sam W.
278 Welcome to the Stage » by Madam Mimm
A.U. in which Gabriel is a stand up comedian, Sam is a reluctant law student, Dean is bad at being a homosexual, and Pamela is fed up with the lot of them. Sam/Gabe, Some Dean/Cas, Bobby/EllenSupernatural, T, English, Humor & Romance, chapters: 26, words: 68k+, favs: 477, follows: 184, updated: 5/19/2015 published: 6/25/2011, Gabriel, Sam W.
8Periods and Bindings » by Another Writer Who Loves
After Samantha Winchester mistakenly uses a new pad with a strange design on it she finds herself suddenly soul bound to a newly freed from the cage Lucifer. None of the side are happy with this.Supernatural, T, English, Supernatural & Humor, chapters: 2, words: 2k+, favs: 33, follows: 40, updated: 12/29/2014 published: 7/14/2014, Sam W., Lucifer
9Who said school-life had to be boring? » by Nichigin
"I think I'm not mentally ready to having two brothers hitting on Novaks. Men Novaks, on top of that!" Dean said. "I definitely don't think Sam is hitting on Luke yet..." Castiel stated, trying to reappraise things. "And I'm totally not hitting on Micheal!" Adam blurted. "It's only matter of time… I've got orrible presentiments…" [high school!AU - Samifer, Destiel, Midam]Supernatural, K, English, Romance & Humor, chapters: 3, words: 3k+, favs: 28, follows: 41, updated: 10/30/2014 published: 8/18/2014, [Lucifer, Sam W.] [Dean W., Castiel]
423 Team WHAT? ! » by Lucillia
Sam and Dean are just vessels right? Right?Supernatural, T, English, Humor, chapters: 17, words: 17k+, favs: 2k+, follows: 1k+, updated: 9/21/2014 published: 5/4/2012, Lucifer, Michael, Castiel, Gabriel
5 crashed » by Esoteric24
Crossover AU told in song-themed drabble-ish things. Edryn's tale. And yes, that was not a typo. Rated T mainly for Ed's mouth.Fullmetal Alchemist & Leviathan series, T, English, Hurt/Comfort & Romance, chapters: 3, words: 18k+, favs: 3, follows: 6, updated: 3/20/2014 published: 2/15/2014, Edward E., Alphonse E., Deryn S.
7 A Half-Remembered Dream by snipercat12
"Sena looked up at the brunet man's face, unsure of what to say. He didn't actually know why he needed to see this man so badly. There was just a slight nagging sense at the back of his head that insisted that this was important. It was like... 'Like a half-remembered dream'" AU, mentions of Character Death.Eyeshield 21 & Katekyo Hitman Reborn!, K+, English, words: 2k+, favs: 46, follows: 34, 3/5/2014, Sena K., Tsuna/Tsunayoshi S., T. Yamamoto
8 Crona in Wonderland » by AngrySoundwave300
It's timid Crona in a the mad world of Wonderland...Gee, That sounds perfect...Alice in Wonderland & Soul Eater, T, English, Fantasy, chapters: 6, words: 17k+, favs: 6, follows: 8, updated: 1/13/2014 published: 11/24/2013, Crona, Death The Kid, Medusa G.
123 The Roman Inquisition » by Marz1
"Two serial killers, John. Two killers who have successfully faked their deaths multiple times! It's Christmas! It's double Christmas!"Supernatural & Sherlock, T, English, Adventure & Drama, chapters: 8, words: 28k+, favs: 484, follows: 303, updated: 12/15/2013 published: 7/28/2013, Sam W., Dean W., Sherlock H., John W.
168Not Going Away » by FrostandLight
Sam's hallucinations of Lucifer have gotten unruly, and he goes to Dean and Cas with the truth. But as it turns out, the illusions are more serious than he'd ever thought. (Eventually) consensual Sam/Lucifer, established Dean/Castiel. Sequel now in progress.Supernatural, M, English, Romance & Drama, chapters: 16, words: 29k+, favs: 202, follows: 174, updated: 5/10/2013 published: 2/17/2012, Sam W., Lucifer
47 Uncle Crowley's Adventures in Babysitting by Slinky-and-the-BloodyWands
He's the King of Hell, not a bloody babysitter, but that doesn't stop Castiel from leaving two de-aged Winchesters with him. Oh, bollocks, what's he supposed to do with a toddler and a six-year-old? Set in season 6 canon. Gen.Supernatural, K+, English, Humor & Supernatural, words: 10k+, favs: 374, follows: 71, 4/5/2013, Crowley, Dean W., Sam W., Castiel
583The Hunter's Common » by UThnkUrFunny IThnkImAdorable
Very AU. Dean is a brutish Hunter that lives separate from normal humans. But when he saves a young boy Sam from vampires, he'll find his view on the world start to drastically change. Hurt!Limp!Sam. Protective!Badass!Dean. They're not related. No wincesSupernatural, T, English, Supernatural & Hurt/Comfort, chapters: 21, words: 45k+, favs: 369, follows: 532, updated: 4/24/2012 published: 12/20/2010, Dean W., Sam W.
87 Black Birds » by XXForrestStarXX
Trapped in the 1800's, the flock is still on the run. Ciel Phantomhive grows suspicious of this new group of people. Will they become friends or enemies? (Psst, this story is up for adoption! PM me for more details c:)Maximum Ride & Kuroshitsuji, T, English, Adventure, chapters: 6, words: 6k+, favs: 62, follows: 89, updated: 5/22/2011 published: 3/20/2011, Max, Ciel P.
57 Phone Tag » by windscryer
A demon hunter and a fake psychic walk into a bar... Oh wait, that was the LAST story. This is what happens after. Spoilers run amok for all episodes of both Psych and Supernatural. Gen. PYO ASR2.Supernatural & Psych, M, English, Friendship, chapters: 8, words: 39k+, favs: 141, follows: 110, updated: 2/20/2009 published: 2/2/2009, Dean W., Shawn S.
98 Like Looking Into A Mirror by F.A. Star Hawk
One-Shot. X-over with Reborn. Sena crashes into someone who seems oddly similar to himself at a grocery store.Eyeshield 21 & Katekyo Hitman Reborn!, T, English, Humor, words: 497, favs: 359, follows: 60, 6/5/2008, Sena K., Tsuna/Tsunayoshi S.