After defeating villains like The Joker, Bane and Ra's Al Ghul, Batman finally may have met his match with ... Pee-wee Herman.

That Show About That Thing mashes together Pee-wee's Big Adventure and The Dark Knight to deliver a criminal mastermind that the Caped Crusader may never truly understand, and the citizens of Gotham may never survive.

After all, a seemingly endless game of "I Know You Are But What Am I?" is enough to drive anyone batty.

(via Geek Tyrant)