Hal Jordan is a superhero appearing in American comic books published by DC Comics. He is a reinvention of the previous Green Lantern who appeared in 1940s comic books as the character Alan Scott.
Two famous bearers of this name are Sir Arthur C. Clarke's character HAL 9000 from 2001: A Space Odyssey, 2010: Odyssey Two, 2061: Odyssey Three and 3001: The Final Odyssey, as well as Li'l Hal from the webcomic Homestuck.
Famous bearer is comedian/actor/musician Hal Harry Magee Sparks III, or better known as Hal Sparks. Known for portraying Michael Novotny on "Queer as Folk".