Doctor Thaddeus Bodog Sivana, Sr. is Captain Marvel arch nemesis. A brilliant evil mastermind, he is arguably the archetype for the "mad scientist". Sivana was the first to figure out Captain Marvel's identity, and has been a constant pest to the Big Red Cheese (as he prefers to call the Captain). Thaddeus Sivana was created by C.C. Beck and Otto Binder, and first appeared inWhiz Comics #2 (February 1940).
source: http://dc.wikia.com/wiki/Doctor_Sivana
[More on the Character's Bio soon]
Powers
Doctor Sivana does not possess any superhuman capabilities.Abilities
Sivana is a shrewd businessman and politician. He also possesses a genius-level intellect.
