Posted on October 27, 2006 by adminNO ONE CAN SILENCE THE PLUNGER OF TRUTH ! The perils of Dav Pilkey’s heroic hero Captain Underpants continue. Oh, who will protect our citizenry? Captain Underpants has battled talking toilets and Professor Poopypants but he was no match for a Long Island high school principal who banned students from dressing up as the children’s book character.