Idol Hooves holds a special place in Equestria. He's probably the only exiled changeling to serve in the Royal Guard, or at least, that's what he expects, as exiles don't really broadcast that fact. However, it's well known that Princess Celestia loves all of her little ponies, and her guards perhaps more so, and that makes it one of the best ways for a changeling to discreetly feed.

But how does a changeling even get there, let alone get exiled in the first place? For that matter, why would it ever go to Canterlot? Set a number of years before the series proper, before Luna’s redemption, Idol details how he was exiled, the ponies he’s met, and the series of misadventures that led him to joining the Royal Guard, and should continue a good ways into the series, as something of an alternate perspective.

Soon, he’ll have to deal with a boisterous new princess to serve and a royal wedding in the works bringing a third to power. Will his old instincts bring this new life crashing down around him? What precipitates Chrysalis’s ill-fated assault on Canterlot? Is it really so wrong for a changeling to enjoy good craftsmanship to an obsessive degree?

New cover art provided by the fantastic Carnifex

And a TVTropes page here.

And an Ask Blog of questionable canonity!
Out of Idol Curiosity

Fanart by Norad2! Major thanks! Short For a Royal Guard

Art by Egophiliac of Idol and his Daring Duckie Please don't tell him what that brush is meant for.

Rating updated to (T), it's a bit darker than (E)
Comedy Tag added as well
And changed the character tags a bit.

Earth, the year is 2065. After a wave monsters from space invaded in what has been dubbed the "First Incursion", the world created a organization to stop these vile creatures called S. M. I. L. E. (Space Monster Interception League of Earth). To train the next generation of defenders, SMILE Academy was created, and it is here that they will be imparted with the knowledge and skill to fend off any hostile threat. However, an evil has set its sights on Earth, and wishes to initiate a Second Incursion.

But all hope is not lost, for one student, Sunset Shimmer, has the power to repel this extraterrestrial threat. Using her otherworldly device, the StaRaizer, Sunset will set out on her journey as Ultrawoman Aster! Now, if only she could remember how and why she has this power...

A story of discovery, of battle, friendship, and possibly love? It's time for the universe's newest Ultra Warrior to take the stage!

The planet of Chikyu is pretty odd, from an outsider perspective. There are anthromorphic sapients of every stripe and sort, the world president is a dog, its greatest warriors are alien monkeys, the average IQ (outside genius scientists or children) is somewhere below 50, and magic orbs raise the dead. How much difference would adding a pony that barely talks really make?
...quite a lot, apparently. Just ask Mr. Popo...if you dare.
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Dragon Ball Z Abridged crossover
Edit: Cover art by CaioCoia.
On DA: https://www.deviantart.com/caiocoia

This story is a sequel to 1000 Years

1000 years later after the events of 1000 Years, Null will be thrown into the deep end, seeing if he will sink or swim. How will he cope with his newfound freedom? Will it be what he hoped for? And most importantly, what will crack first? the eggshells he treads on, or he himself?

WOOOO. featured already from the first chapter with a couple hours! 5/9/19

Have you ever have a moment in your life that you didn't expect to happen? Well recently I have. Not only have I been ripped from my home and put into a world of colorful ponies, but I had to be turned into one of my former favorite animals.

A cat.

That can talk.

.........My life sucks so much.

A/N : The main character is from a world where MLP dosen't exist. So everything is unknown to him. Artwork by Enfysneko on Deviantart

Steve is the only Crafter left. A terrible war against Herobrine had taken everyone from him. He lives, but without purpose. His happy-go-lucky attitude hides decades of war and scars. He wishes for a second chance, a way to make it up to those he lost. Now, due to unknown powers, he arrives in Equestria. Can these peaceful ponies make a mark on a battle-scarred Crafter, or will the darkness inside consume him from the inside out.

Post Discontinued Edit: Wow, that Description is way off the mark. I can't believe I wrote this. Anyway, if anyone is reading this, then, well, yeah, the story is discontinued. Has been for a while.

Sorry.

Ruthim345

This story is a sequel to Little Lost Pikachu

It has been over a month since an adorable Raichu named Nica crash-landed in a strange world called Equestria, and nearly a week since Astra and Ash’s pokemon followed, along with her charming brother Ace. After a few dangerous and thrilling adventures, and one or two snuggles, Twilight was able to find a way home and create a portal back to Alola.

Now, backed by Twilight, Starlight and Rainbow Dash, the pokemon begin their quest to reunite with their trainers and introduce the ponies to their world. Though, rather than come home to a lively vacation spot filled with humans and pokemon alike, they encounter a dangerous challenge, one they might not be able to defeat.

Will Twilight’s team and the Chu brigade be able to overcome the odds and defeat the foe that brought ruin to Alola? Or will they share the island’s fate?

Massive thanks for very solid proof-reading to:
Jay Tarrant
UnknownGiggs

This is a fic based on the Time Loop Files, the format of which was first codified by Innortal on fanfiction.net.
Here's a brief guide.
The basic idea is, one character (the Anchor, usually the main character of a fictional setting) is looping back to the very first moments of their parent series every time either they die or some kind of time limit expires. They of course end up monumentally stir crazy given enough time.
Eventually others start to loop as well.
The reset is not always perfect. Sometimes a loop's history will be different to the "prime" loop, or canonical plot.
"Crossover" or "Fusion" loops also occur, randomly. These can involve the home loopers having a guest, or the anchor for one universe spending time in another, or replacements of one character by another.
Vacation Loops are where the Anchor (or others) decide/s "buck it" and lets off steam by doing whatever comes to mind. There's little or no attempt to maintain the original timeline.

In addition, and particularly more recently, it should be known that this story has a collaborative element to it - people may submit loop ideas or loops, ideally at the Spacebattles thread (a link to the current version of which is on the Trope page), and they may become included.

There's two page image options, thanks to Filraen - the current page image has been edited by the original creator from this work of theirs.. The other one is here:
http://hourglass-vectors.deviantart.com/art/MLP-Loops-466030169