This is pretty much a self-insert, mostly done for comedic purposes.
After a mishap with an invention of mine, a friend and I find ourselves in the magical land of Equestria. How will the peaceful land of Equestria handle the influx of two humans? Will Jay and I ever find a way back home? Will anyone give this story a fair shot? Read and find out.
Things that actually involve MLP:FiM begin in the second chapter.

Princess Luna's Lunar Stallions kidnap Twilight Sparkle when they see how lonely Luna is, and give her to the Princess as a gift. Nightmare Moon emerges from Princess Luna's psyche during the sleepover. The dark goddess would love nothing more than to have the beautiful mare all to herself, and the resulting chaos forces Celestia to call a psychologist to sort out Luna's multiple personalities.

Retiring isn't always easy. Especially when your job title is Evil Overlord. Most of the time retirement from that particular position comes on the sharp end of an opportunistic hero's sword. But Damien didn't survive the past six centuries by playing by the rules. His retirement plans involve running. Running from his country, his continent, and his very universe to escape Fate's long reach. And what better place to run to in an attempt to live peacefully than the utopian land of Equestria?

Currently being edited by the ever amazing Frederick the Saiyan.

Since I've had a number of comments on this I figure I should clear it up here. This is not a crossover witht he overlord game series. Note the lack of a crossover tag.

<subtle hint>I am open to submissions for a better title image</subtle hint>

The star system Omega Centauri was just another oddity on a map to scientists in the not too distant future. However when they found the star was orbiting an earth-sized, earth-like planet instead of a black hole as its motion had suggested, a mission was scrambled to investigate this most unusual of celestial behaviors.

Hamstrung by politics, and nearly crippled before it began, the 'Lone Ranger' mission was reduced to just one crew member and left to his own devices.

These are the logs of Arrow 18 and its lone commander. This information is classified TOP SECRET by the Global Space Agency.

Do NOT tell the princess.