Doctor Silvana

Doctor Thaddeus Sivana is an inventor, scientist, and employee of Sivana Industries who had been summoned by the wizard Shazam as a child, but was not chosen as his champion, leading Sivana to spend his entire life trying to unlock the secrets of magic. Though thought to be imprisoned he would later broken out by the Legion of Doom before being beaten by Black Spider and Shazam and being imprisoned once more.