A human of low character dies and gets sucked into Equestria as a copy of Twilight. The new mare then proceeds to cause chaos for the ponies, but she tries to help... and, more importantly, make some money
An unwilling non-brony traveller from Earth finds himself switching between bodies of the Ponyville locals randomly, leaving so much chaos and confusion in his wake that Discord might as well retire now.
Woke up, everyone's gone, and I'm some kind of alien horse. Well, not everyone, I did find another: a baby. A baby alien horse that treats me as her mother.
The crew of an RAN Destroyer begin to notice that one of their pilots is developing some odd quirks, to say the least. Wings, hooves and a cutie mark, just to name a few...
A young man that lives in an old, Victorian age town is thrown into a series of events leading up to the possible end of not just Earth, but also a whole different world called Equestria.. In turn, he also has to do it as a unicorn mare.
In the underworld of Equestria, one mysterious pony is fearfully whispered about. Only Vinyl and Octavia know why he left a trail of destruction through the criminal ranks. Now he's back, and, well...not a he anymore.
Something one does not want, is to have a bad day at work, then wake up as a pony, not when said pony is sore and battered and has an odd feeling in her abdomen
A human suddenly finds himself as one of the Pinkie Pie clones from the episode "Too many Pinkies" He would have simply hidden so that he could keep living, but unfortunately he found himself with the others, starring at paint. What will he do?
This vast universe of ours is filled with countless wonders, opportunities, and scientific miracles. Two humans, oblivious to such things, will soon come face to face with things far beyond their comprehension.