A MLP/Generator Rex Crossover.

After being defeated by Twilight a second time, Trixie decides its time to start over again; now as a feared bounty hunter she gains her fame as Great and Powerful back and for real.
Now she has money, fame and everything she ever wanted... except for a friend; or that's until she finds a young pony with extraordinary powers and no memories of his past. Trixie decides to help him unaware that they can become more than friends.

As the rest of my works this is only a translation; you can see the original in spanish here

I was having a costume party, with the Ben 10 fan club. In which we dressed up as our favorite Ben 10 alien. I was dressed up as Big chill. But the costume i got, was bought from a mysterious person. Later at the party i was engulfed by a mysterious light. When i woke up, i have been turned the Ben 10 alien Big chill. But i’m not on earth, i am on a planet… filled with talking ponies.