My O.C. is caught in the epicenter of a nuclear blast and miraculously survives, now in Equestria he must confront demons new and old, from without and within....

When dark creatures begin appearing in Equestria, Princess Celestia and Princess Luna summon the bearers of the Elements of Harmony to Canterlot. Before the six ponies can arrive, though, four strange ponies are expelled from a portal that appears in the throne room, and they explain that Equestria is not the only place at risk from these creatures. Thus begins an adventure that will reveal a greater destiny for Ponyville's librarian than she could have ever dreamed of.

Kingdom Hearts/My Little Pony: Friendship is Magic crossover. Pairings undisclosed.

*REWRITE IN PROGRESS*

(Takes place during Season 2.)

When one mission appears to be his last, Preston Marlowe of the 222nd Army Battalion's "Bad Company" winds up in another world that is far beyond his comprehension. Separated from his squad, his troubles are far from over when he is soon thrusted into another conflict that is about to reach its breaking point. On top of that, he must learn to coexist in this new world until he can find a way back home. Can't a man ever catch a break?

Rated Teen for language and violence.

You are a U.S. Soldier and become wounded in battle. After getting air-lifted to a nearby hospital, or so you thought, you realize you're completely lost. How will you react to this new world? How will you get home? Second person, and humanized.

A United States Marine is ordered to clear an Iraqi house containing "suspicious activity", but little did he know a mad Arab scientist had created a portal device which was originally intended to bring "the fires of Allah onto the Infidels" but accidentally sucks the marine into Equestria which is facing the greatest threat in its history. Can he fight off Discord, hordes of changelings, rebels, tons of other monsters and armies?

During the American Civil War, the Battle of Chancellorsville. A man who is 19 years old gotten lost and wounded in the forest during the battle. When he recovered, he didn't know where he was, he found out that he's in this place called "Ponyville" which never shown in the map. A man who meets the ponies and he never found a place never been so peaceful....

A "Naruto" crossover. Rather then dying at his brother's hands Itachi is instead sent to a world wholly unfamiliar to him, will he finally find peace within himself among the ponies of Equestria?

Twilight Sparkle has disappeared. Not just from the face of Equestria but possibly from the face of her universe itself. She must now learn how to survive in a place unlike anything which she has experienced thus far. Luckily she has a friend out in the Wasteland. Join Twilight and The Lone Wanderer as they try and discover a way to send Twilight back to Equestria. Of course this is the Wasteland and things are never as simple as they appear...

Now has a Tumblr

The element of loyalty is put to the ultimate test as she finds herself stranded in a foreign world with no idea where she is, how she got there or how she can even get back. When she is rescued by a small group of battle hardened soldiers on a secret search and rescue mission, she has no choice but to go with them if she wants to stay alive.

Soon she realises the seriousness of her situation as she finds herself on the front line on one of the worlds most fearsome battles.

WARNING: Contains strong language and graphic injury detiail.

When a United States Army Ranger arrives in Equestria, the land is plauged by chaos, even the Royal guards cannot fight them off. Befriended by the mane six, the soldier is hired to help guard and fight for Equestria...

A reposting of a story on fanfiction.net

http://www.fanfiction.net/s/7921895/1/Guardians_of_the_Elements_of_Harmony

Author has consented

I remember noticing some grammar errors when reading this first time, unfortunately I'm too lazy to correct. If you guys'll comment on them, I'll fix 'em.