Joe is a Glader whose name was seen engraved on the wall of the Glade in the Maze Runner film. His name was not crossed out at the time, therefore he was alive when Thomas arrived. Joe is confirmed to have died during the Griever attack. In the Death Cure film, Joe's name is seen engraved on the memorial rock. The name Joe may be a reference to the executive producer of the movie, Joe Hartwick Jr. He did not appear in the books.