So... does anyone have a theory, or suggestion as to the story behind Princess Cadence?  Whether or not Hasbro is pushing the character in order to sell toys, she is about to become part of the MLP universe, and everything will be changed forever.

Every fanfiction writer who decides to add an alicorn to the story, or who has a theory about who or what they really are is now in major risk of writing something that completely contradicts whatever story they come up with to explain this new princess... but that's hardly going to stop us.

So, who wants to take a guess?