M.O.D.O.K. (Mental Organism Designed Only for Killing), formerly M.O.D.O.C. (Mental Organism Designed Only for Computing) was a medium technician for the A.I.M. that was mutated into a human computer by the Scientist Supreme.
Notes:
First appearing in Tales of Suspense (Marvel, 1959 series) #94 by Stan Lee and Jack Kirby.