The chance to overact with evil glee had an array of widely known character actors and A-list stars, including Oscar winners, clamoring to join the show’s gallery of rogues. Most Batman villains appeared in only one episode or story line, but a few were so good that producers brought them back to chew up the scenery again and again.
THE JOKER
Cesar Romero, 22 episodes
THE PENGUIN
Burgess Meredith, 21 episodes
CATWOMAN
Julie Newmar, 13 episodes Eartha Kitt, 5 episodes
THE RIDDLER
Frank Gorshin, 10 episodes John Astin, 2 episodes
KING TUT
Victor Buono, 10 episodes
EGGHEAD
Vincent Price, 7 episodes
LOUIE THE LILAC
Milton Berle, 5 episodes
CHANDELL/HARRY
Liberace, 2 episodes
MR. FREEZE
George Sanders, Otto Preminger, Eli Wallach 2 episodes each
MA PARKER
Shelley Winters, 2 episodes…