Stan Lee (born Stanley Martin Lieber) was an American writer, editor, creator of comic book superheroes, and the former president and chairman of Marvel Comics. With several artist co-creators, most notably Jack Kirby and Steve Ditko, he co-created Spider-Man, the Fantastic Four, Thor as a superhero, the X-Men, Iron Man, the Hulk, Daredevil, the Silver Surfer, Dr. Strange, Ant-Man and the Wasp, Scarlet Witch, The Inhumans, and many other characters, introducing complex, naturalistic characters and a thoroughly shared universe into superhero comic books. He subsequently led the expansion of Marvel Comics from a small division of a publishing house to a large multimedia corporation.

David Anthony Kraft was an American comic book writer, publisher, and critic. (source: Wikipedia)