MODOK (also written as M.O.D.O.K.; an acronym for Mental / Mobile / Mechanized Organism Designed Only for Killing) is a fictional character appearing in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby, the character first appeared in Tales of Suspense #93 (September 1967).The first MODOK is George Tarleton, a former employee of Advanced Idea Mechanics (A.I.M.), an arms-dealing organization specializing in futuristic weaponry, who undergoes substantial mutagenic medical experimentation originally designed to increase his intelligence. While successful, the experiments result in him developing a freakishly overdeveloped head and a stunted body, causing the character's signature look and use of a hoverchair for mobility. After the experiments, he kills his creators and takes control of A.I.M.