Mike W. Barr is an American writer of comic books, mystery novels, and science fiction novels. He is perhaps the first writer to have written every one of the first four incarnations of Star Trek: Star Trek, Star Trek: The Next Generation, Star Trek: Deep Space Nine, and Star Trek: Voyager, in comic book form or any other. A comic book writer for many years, Barr's credits also include Camelot 3000, Batman: Son of the Demon, Batman and the Outsiders, Detective Comics, The Maze Agency, and Mantra for the Malibu Ultraverse. His Batman scripts have been adapted for the movie Batman: Mask of the Phantasm and for several episodes of the Batman cartoon show.