Board Thread:General Discussion/@comment-31916334-20150124160932/@comment-26973802-20150601212226

Also...


 * Tails = Twilight Sparkle


 * Knuckles = Applejack


 * Amy = Pinkie Pie


 * Cream = Fluttershy


 * Rouge = Rarity

There have been crossover videos of the Sonic characters fighting their pony counterparts. (like Sonic vs. Rainbow Dash)