L4D2: Don't forget to hit a clown in the face

TVGB: "Between my sessions of checking out the newly-revealed Dark Carnival map that was showed off for Left 4 Dead 2, chatting up Valve's Chet Faliszek, as well as getting obliterated by the new special infected, The Jockey, at PAX last week, I heard an interesting snippet said by one of the ladies handing out shirts at Valve's booth."