From the we-wouldn't-believe-it-if-it-weren't-in-Variety file: Sean Penn has signed on to play Larry Fine in the Farrelly Brothers long-in-the-works Three Stooges project. Jim Carrey looks likely to play Curly, with all the weight-gain that would involve, and Benicio Del Toro may play Moe. Well, surely with this acting talent it will be a heavy drama about the oft-difficult off-screen lives of the famed funnymen, right? Nope: