John Hodgman is an author, humorist, actor, and expert. He is a frequent contributor to "This American Life," appears regularly on "The Daily Show with Jon Stewart," has appeared on NBC's "Community" and "30 Rock," HBO's "Bored to Death," and was the PC in a series of ads for Apple computers. Hodgman is the author of the "COMPLETE WORLD KNOWLEDGE" trilogy, a compendium of invented trivia and completely fake facts. He hosts the "Judge John Hodgman" podcast, and in 2013, he released the original comedy special, "John Hodgman: Ragnarok" on Netflix.
Julia Sweeney is an actress, comedian and writer best known for her work on Saturday Night Live where she was a cast member and also for her monologues God Said Ha!, In the Family Way and Letting Go of God. She's been a panelist on "Wait Wait ... Don't Tell Me!" and performed with songwriter Jill Sobule in a show called Jill and Julia. Julia will be out with a new book called "If It's Not One Thing It's Your Mother" in April of 2013.