ROBERT KIRKMAN is best known for his work on The Walking Dead and Invincible for Image Comics, as well as Ultimate X-Men and Marvel Zombies for Marvel Comics. He is one of the five partners of Imag...view moreROBERT KIRKMAN is best known for his work on The Walking Dead and Invincible for Image Comics, as well as Ultimate X-Men and Marvel Zombies for Marvel Comics. He is one of the five partners of Image Comics and is an executive producer and writer on The Walking Dead television show.view less