Joss Whedon, also known as The Man Behind Buffy, most succinctly known as “God,” is finally ready to reveal the secret behind his show-stopping turn as dancin' fool Numfar on a recent episode of Angel. “I was with the Alvin Ailey troupe for eight years,” he confides, more deadpan than a whole posse of Xanders. “A lot of people don't know that.” Riiiiiiiiiiiiiiiiight. “Actually, I kept saying, ‘Oh! And there should be a guy in the background doing a stupid dance like this!!!’” he admits....