Dr. Sivana

Thaddeus Bodog Sivana Sr. is a brilliant but embittered scientist whose visionary work was mocked and rejected by the world, driving him to a life of villainy. Armed with genius-level intellect and an arsenal of fantastic inventions, he became one of Captain Marvel's most cunning and persistent foes.

Few villains in comics history can claim the staying power of Dr. Sivana, the cackling, scheming mad scientist who first menaced readers in Whiz Comics #3 in 1940, conjured into existence by the legendary Golden Age duo of Bill Parker and C. C. Beck. Born at Fawcett Comics during the genre's electric early days, Sivana has endured for an extraordinary 85 years — a testament to just how deliciously effective a truly committed antagonist can be. His catalog appearances place him squarely in the orbit of Billy Batson, Captain Marvel, and Freddy Freeman, the very heart of the Shazam family, and his presence across titles like Captain Marvel Jr. and Billy Batson & the Magic of Shazam! confirms he's been a thorn in that world's side across generations of storytelling. With two key collector issues to his name and a publishing history stretching from the Golden Age to the present day, Dr. Sivana is essential reading for anyone who wants to understand what makes a great comics villain endure.