We finally know who's playing Captain Underpants on the big screen! 21Charlie Jane Anders and 35 others eEditaDeleteiInviteBPromoteXDismissXUndismissbBlock for io9bHide The Captain Underpants books are among the most banned reading material in the world. They're brilliantly subversive and weird, and a refreshingly dotty spin on superhero lore. And now, they're becoming an animated movie, with Ed Helms as Captain Underpants himself. » 1/22/14 11:46am 1/22/14 11:46amThe Most Frequently Banned Book of 2012: Captain Underpants?