Howling:What's in the pandorica?

I looked at the Big Bang page on the wiki and everyone seems to think an old master villain is coming back. So what is in the pandorica? I think the Pandorica is the TARDIS. Or a TARDIS. Discuss. the twelfth doctor 19:27, June 12, 2010 (UTC)
 * It's not the Beast, the whole 666 thing is bull, and while he may be a goblin, I doubt the Doctor would call him a "Trickster."
 * It's not the Master. Bringing him back would serve no logical purpose.
 * It's not Omega, same reason as above.