Dr. Phil, Gay Unicorns, and Jesus Christ...They're all tattooed on someone's ass. Or face, or whatever. Remember that time you were wasted and thought it would be a good idea to get a tattoo on your leg of Maury Povich shaking hands with Sasquatch, but your friends talked you out of it at the last second? Well, some people don't have any friends...Aviva Yael and P. M. Chen spent a year going to tattoo conventions and tattoo studios all over the country, chasing, stalking, e...