A seemingly average man in an dull life receives a Unicorn's horn, a magician's cape, and an ancient journal from his now-dead great grandfather after being lost in the postal service for more than 30 years. With only a few hints and a limited store of magic in a world that otherwise lacks magic completely he seeks to know the truth about his family's legends, and his heritage.
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This fic was written back before the episode with Iron Will was aired, so expect a few things to be different from what is canon with the show.
This fic was also written back before the 5-character-icon-limit was put into effect, so there may be a few more 'main' characters other than what is listed here.
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While the story itself is complete, as readers find errors and point them out to me I'll be going back occasionally to fix them. Thanks for all the comments and suggestions. The direct sequel is now in the works, as to the alternate continuation that lost the vote at the end if anyone cares to read it. I may or may not also work on that one from time to time depending on my mood.

Currently undergoing cleanup

Call me Shiro. My story begins when I find myself in the land of Equestria. I would say something cliché, like, “a world I only thought existed in a show for little girls” or something, but it really isn't. I mean, sure, it's similar enough, but at the same time it isn't the perfect, peaceful world they depict. For starters, I haven't met a pony who hasn't had somepony the know and love get eaten by some predator. That's where I come in.

You see, when I arrived, I was changed into not a pony, but a tiger. I don't care what you say, I'm not a Gary Stu! Sure, I have chaos magic, get a girlfriend in less than a month, and get a katana, but the katana breaks... while fighting an elder god... Okay, fine, but I don't go full Stu. You never go full Stu. Anyway, this is the story about my quest to protect these ponies that I came to love.

Chaotic Harmony is an over-the-top action/comedy (emphasis on comedy) that takes all the clichés you know and love (or hate) and breaks, twists, turns them on their ears, or pumps them full of adrenalin and laughs as they rape your brain. This is, however, also a story about overcoming loss and forging a new life.

Contains: Different-but-not-quite-different-enough-for-AU Equestria, ridiculous comedy, over-the-top DBZ level action, borderline Stu self-insert, tigerxpony shipping, and dark, emotional chapters later on.

You'll laugh, cry, cheer, and d’aww throughout the rollercoaster ride that is Chaotic Harmony.

Based on a true story. Kinda. Not really.
A man named Jason previously led a rather melancholy life before he died violently. No surprise there. But as he wakes up in Equestria and is thrown into a foreign body, he is forced to survive with the guise of a changeling. Taking place shortly after the failed changeling invasion of Canterlot, how can he keep from being revealed by new security measures, and blend into this new world, while making use of the most unlikely of allies? But of course, avoiding ponies only turns out to be the easy part when trouble has a habit of reading its ugly head. Really though, what could go wrong?

Props to the ever epic Zubafa for his cover art.

*HIATUS UPDATE 10/15/2018: There is currently no set schedule for the remake of this story, but I assure you that it still has not been canceled. I get regular comments, favorites, and emails that all point towards this being a beloved story worth finishing, so one day I will do just that. Thank you all for your time and patience!*
Ever since they were little colts, the Flim Flam brothers had a dream; a dream to make a wondrous machine to set their lives on the fast track to success. The machine, known as the Super Speedy Cider Squeezy 6000, was missing just one component to make it all complete. Just one elusive item that no sane pony or pony with values would ever consider using:

Fresh dragon's breath.

Guess what I am.

I was taken from my home, my family, and my wings were slashed. I am no longer a person, I am simply a cog; a cog in the Super Speedy Cider Squeezy 6000.

This is the beginning of my wonderful tale.
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Honorary pre-reader as of chapter 10: aiovas. Official Editor: Thardoc. Thanks go to dmkamikazee of deviantart for cover art A! Thanks go to More Dakka for cover art B! A fan created art gallery for this story can be found here on my homepage!

Martin has turned his back upon The Aspect of Destiny and strange occurrences are surfacing on both Equestria and Earth. Martin has agreed to bring Alan with him to Equestria but they both begin to notice the barriers between dimensions are breaking and a powerful enemy is surfacing which not even Martin or The Mane six can stop unless they unite once more with The Aspects. But will Martin forgive the transgression that Sortitus visited upon Lupe and will they defeat the entity known as Averius before all of creation itself is reduced to embers?

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The Third Instalment of The Martin Chronicles

Martin is to be knighted by Princess Celestia during spring break and on this momentous day he and Applejack's love for each other has blossomed, but it must be kept a complete secret when on Equestria, however all of these good tidings turn dark when Discord and Queen Chrysalis ally themselves with Jinx The First, eldest brother to the aspects and among the most powerful after he escapes his prison.

FRIENDSHIP
BETRAYEL
HONOR
LOVE

WE HAVE REACHED THE ENDGAME.

16 years have passed since Martin, Alan and The Mane Six saved Equestria and all of creation from certain destruction. Martin & Applejack have raised their daughter Mary in the light of both worlds to be strong and honest. Mary loves her family dearly but always feels like she doesn't belong anywhere and lacks self confidence. But she has her friends, Scootaloo, Applebloom, Sweetie Belle, Dinky Hooves and Alan's brash yet fun loving son Dominic backing her up whenever she needs them. But a new enemy surfaces beyond the borders of Celestia's kingdom which could plunge Equestria and the mysterious Waste's into an all out war.

WILL THESE NEW HEROES SAVE THE DAY?

WILL EQUESTRIA FALL INTO WAR?

AND WHO IS THE BLACK KING, RULER OF THE WASTES?

Martin has had an unreal life ever since he first stepped foot into the land of Equestria. He has been regularly visting Equestria and his friends The Mane Six for two months now and their friendship has never been stronger. However after Winter Wrap Up he heads home with The Mane Six directly behind him. Unfortunatly upon doing this, they have not only broken a promise that they swore to Sortitus to uphold, they have also caused the bridge connecting their worlds to collapse behind them. While they wait for a new bridge to be constructed which Sortitus must do by hand (much to his annoyance), the now humanized Mane Six will have to blend into regular society with Martin's help. However things get chaotic when a student from Martin's grad class takes an interest in him and she allys herself with a released Discord who has decided Earth is to be the chaos capital of the universe, and to make matters worse, The Six find out they have maintained there "unique" abilities from Equestria.

WILL DISCORD TRIUMPH?
WILL THE UNIVERSE FALL INTO CHAOS?
WILL THE PONIES GET HOME?
AND WILL ALL THESE THINGS FINALLY DRIVE MARTIN UP THE WALL?
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Sequel to Martin: Chronicle Of A Hero

The royal court of Canterlot welcomes its newest member with open forelegs: the human philosopher Voltaire, from Earth.

On Earth, Voltaire is known as the greatest enemy of tyranny in the history of literature, and a legend in his own mind.

On Equestria, the court betting pool is giving him a week before the Princess banishes him to the Moon.

Note: This story doesn't have sequels per se, but there are a couple of short follow-ups set in the present day ("Parade Coverage" and "Secret Histories"), and a prequel of sorts in "At the Inn of the Prancing Pony".

TV Tropes page.

There is a world where Life and Death govern all imaginable realms. A world where Watchers guard over their planets and the creatures that roam them. In this world, a young soul goes on a journey to a place he never thought existed, after cutting an untold deal with Death.

Equestria, a place of magical creatures and mysteries, offers him a new chance at life. A chance he will have to pay dearly for. This is the written story of his adventures, some of the sorrows and victories of his life as he goes through great challenges and fights his inner darkness.

At the end of this journey, one begs the question: What is better? To be born good, or to overcome your evil side through great effort and sacrifice?

Tagged with Human for the prologue.

Follows show's cannon up until end of Season 2.

Now a published book!
And it's own TvTopes page!

Spanish translation: Here

First chapter published January 2012
Marked as Complete on 31st August 2014
Published (printed) on 25th November 2014

PM me for the full digital version of the now-printed book! (includes text PDF, full cover and fan art)