If you look at the picture of him on his book, you realize he basically cast his own stand-in as Wednesday Addams’ boyfriend, which is kind of awesome.
Ok before people get the wrong idea, the dude shot one porno in the 70s when he and his friend needed to pay off their new camera. It's a hilarious story that he tells on Gilbert Gottfried's podcast, and in his book. Suffice it to say he had a shitty time and did not shoot any more porn.