Tags: Comics Character.
Doctor Thaddeus Bodog Sivana is a fictional character a comic book supervillain created by Bill Parker and C. C. Beck. He first appeared opposite superhero Captain Marvel in Whiz Comics #2 (February 1940) by Fawcett Comics. Sivana was soon established as Captain Marvel’s archenemy and most frequent foe a role that he continues to hold to this day in his appearances in DC Comics who eventually acquired the rights to those characters from Fawcett.