Our hero's are being systematically taken down as the world slowly crumbles. Equestria is on the verge of chaos and despair. Celestia grows weak and vulnerable, who will watch over the ones that of which watch over harmony. loose ends will be cut innocents will perish in the name of what peace? As if the world of Equestria was still worth saving. Pony god have mercy.

READ THE NICKNAMES TO GET A BETTER UNDERSTANDING

Pinkie pie- sprinkles (the roashack er however you say his name)
Twilight sparkle- Relic
Rainbow dash- the joker (the comedian so to say just wanted to give different nick names )
Applejack- appleseed
Rarity- Gemstone
Fluttershy- Deadwood

NOTE: this is equally similar as it is vastly different from watchmen.

A juggernaut, embroiled within the war between America and Russia, is ripped through a trans-dimensional rift to a new world called Equestria. Here, he will find out a fact that will shatter his prospect on life.

Part 1: Lyra's Pyro Predicament
Part 2: Twilight's Demoman Devastation
Part 3: King Sombra's Robotic Retaliation

When a mishap causes two para-dimensional weapons to colide with one another, RED Team's Pyro is sent flying from the Team Fortress 2 universe into the alternate universe of My Little Pony, where he is almost instantly discovered by Lyra, who shelters him in her home.

Having him hidden in her small townhouse isn't easy; keeping him from setting things on fire, teaching him that not every cart that passes by is cause for alarm, and that blue ponies are not something to be suspicious of.

However, with Nightmare Night soon approaching, Princess Luna feels that there may be something more sinister riding on the coat tails of Pyro's grand entrance; the first human to ever set foot in Equestria some thousand years ago...

Crossover with The Dresden Files.

Pinkie Pie randomly shows up at the apartment of one Harry Dresden, Wizard-for-hire. And then she does ... whatever it is that Pinkie Pie always does. Madness ensues as Equestria's craziest Party Pony inflicts herself on everyone's favorite cynical smartass of a wizard.

My Little Denarians is the sequel to this story.

This fic now has a dramatic reading courtesy of Comma Kazie and Lisa M.

Part 1
Part 2

When your life is as dull a gray as the world that surrounds you, the mundanities can make it all seem meaningless. Sometimes all we need is a little color -- or six -- to reintroduce us to what truly makes life worth living.

*6-16-2017 Edit, added Rainbow Dash tag because it triggered knighty.*

It is the year 2038, and the Earth is slowly being consumed by a space-borne monstrosity dubbed the Black Tide, which is using nanotechnology to remake the planet into something hideously alien.

Erin Olsen works for Project Harmonics, humanity's last-ditch effort to find a new world before the Tide can wipe them out. But when that world is found, and it turns out to be occupied, Erin will need to find the courage to face the unknown in order to save the inhabitants of both worlds.

(Many thanks to Easteu for the fantastic cover image for this story!)

Now with its own TV Tropes page

There is now a follow-up to this story: Sunflower - Side Projects
Sequel: Project Sunflower: Harmony

Derpy likes to smile. She likes to draw pictures and eat muffins and fly, but most of all, she likes to smile. But sometimes some ponies don't like it when Derpy smiles. They say mean things. But that's ok, because sometimes all you need is a friend to tell you that you are perfect just the way you are.

I will always love you, Derpy.

Inspired by Rorschach in Equestria. Applejack is the only pony in Equestria Rorschach will call his friend and that's just fine by the cowpony. Follows the episodic series as well as original interludes!

Harry Dresden, Chicago's only professional wizard, accidentally travels to Equestria after being attacked in the Nevernever. Twilight is none too amused with their newest 'guest', but trouble is brewing. Somepony is planning something sinister and the mane six may need Dresden's help however little some of them want it.

Story Image by: Lynxgriffin
Cover arrangement by: Novel Idea

This story is a sequel to The Dresden Fillies: Strange Friends

Almost a year has gone by for Harry Dresden since he left Equestria. He'd have written, but between saving his newly discovered brother and destroying a scourge of vampires he's been a little busy. Then out of the blue he receives a strange letter from Twilight asking him to return. With no cases at the moment he eagerly accepts, but his friends aren't the only ponies expecting him. There's been a lot of rumors since his last visit and some ponies aren't too keen on seeing him come back.

A sequel to The Dresden Fillies: Strange Friends.