Who is "anti-Muslim" Sam Bacile?

Tuesday's protest over the American film in front of the US embassy in Cairo (Reuters)

As the controversy surrounding the Islamophobic film "The Innocence of Muslims" goes global, attention turns to the true identity of its creator Sam Bacile.

In the Atlantic today, Jeffrey Goldberg says he's found some clues: "Klein told me that Bacile, the producer of the film, is not Israeli, and most likely not Jewish, as has been reported, and that the name is, in fact, a pseudonym. He said he did not know "Bacile"'s real name."