"The inspiration was basically the friendship Julie and I have and the fact that we really talk about pop culture, almost as a defense mechanism against talking about other parts of our lives," Eichner tells TVGuide.com on the show's Brooklyn set.
"Celebrities now, and their publicists, are savvy enough to know that even if you are upset by something a comedian said, don't tell anyone," says the actor and Billy on the Street host.
Because that's so deeply uncool, to be that vulnerable or to act like you don't have a sense of humor about yourself.