Robert Kirkman is an American comic book writer, screenwriter, and producer. He is best known for co-creating The Walking Dead, Fear the Walking Dead, Invincible, Tech Jacket, Outcast, Oblivion Song, and Fire Power for Image Comics, in addition to writing Ultimate X-Men, Irredeemable Ant-Man and Marvel Zombies for Marvel Comics. He has also collaborated with Image Comics co-founder Todd McFarlane on the series Haunt.