Neil Patrick Harris, John Cameron Mitchel and an audience of over 500 attendees Photo

From: Photo Coverage: Neil Patrick Harris Signs CHOOSE YOUR OWN AUTOBIOGRAPHY at Barnes & Noble!

Life has been an endless series of adventures for Neil Patrick Harris. He has enthralled fans for nearly three decades in more than 100 wildly varied roles, ranging from the iconic Doogie Howser, M.D., and Barney Stinson to Joss Whedon's Dr. Horrible and his recent, Tony Award-winning turn as Hedwig in Hedwig and the Angry Inch. Never one to limit himself, Harris is also a two-time Emmy host, four-time Tony host, an accomplished amateur magician, and a licensed taxidermist (one of those is not true). Exhausted yet? Neil's not! In addition to his busy work life, Neil is also raising very energetic twin three-year-olds with his husband, David Burtka.