User blog comment:District4 Tribute/Tribute names?/@comment-5151344-20120608231223/@comment-86.27.235.145-20120907145809

they aren't in the books, basically the actors who played the characters in the film were told the name of their character but they never had time to put their name anywhere in the film so they were given permision to tell fans the name of their character on stuff like twitter.