|Citizen of the United States with a criminal record.|
|Nation or Planet of Origin|
|Base of Operations|
Gamma radiation induced mutation resulting in superhuman intelligence and an ability to take telepathic control of others.
Humanoids: Synthetic humanoid automatons capable of absorbing massive amounts of kinetic energy.
Various mechanical devices, robots and weapons of his own creation.
Tales to Astonish Vol. 1
Incredible Hulk Vol. 1
|Tales to Astonish Vol. 1 #62 (Dec. 1964)|
|Stan Lee & Steve Ditko|
Never graduating school, Sam Sterns took a job as a janitor in a United States government research facility, where an accident led to his body being bombarded with intense gamma radiation. Days later his exposure to gamma rays caused his mutation to result in his mental abilities expanding beyond that of anyone else on the planet. Determining that he was the only person smart enough to rule the world Sterns dubbed himself the Leader.