Warner Bros. has released six character posters for their upcoming comedy sequel The Hangover Part II, including one for Doug! Check out all of them below, each with its own hilarious catchphrase. The Wolf Pack is back! Featuring Bradley Cooper as Phil, Zach Galifianakis as Alan, Ed Helms as Stu, Ken Jeong as Mr. Chow, Crystal the Monkey as Party Monkey, and, of course, poor Justin Bartha as Doug.