13) Chandell (Liberace)— The gifted piano player was both Chandell (the piano player) and his twin brother Harry who it turns out, was the real villain.
Trivia: Two Batman villains also had roles in Magnum PI; Howard Duff (Cabala) played Magnum’s grandfather. Barbara Rush (Nora Clavicle) played Magnum’s Aunt Phoebe, a playwright who had Alzheimer’s, and was also in another earlier episode.
12) Bookworm (Roddy McDowell)— Appeared in two episodes; Bookworm’s crimes were inspired by literary works, well, because he likes books.
McDowell also appeared in the Batman animated series in the early 90’s.
11) Colonel Gumm (Roger C Carmel)— He loved the color pink and was obsessed with stamps; Colonel Gumm appeared in the two-episode crossover with The Green Hornet, with Bruce Lee as Kato and Van Williams as the Green Hornet.
Trivia: There were three different Mr Freeze’s; Eli Wallach, Otto Preminger, George Sanders.
10) Siren (Joan Collins)— Played a sidekick to The Riddler’s devious plan to take over Gotham City’s boxing industry, but she also wanted to uncover Batman’s true identity.
9) The Archer (Art Carney)— Ed Norton from The Honeymooners was also a Batman villain!!!
Archer’s character was based (loosely) on Robin Hood; his henchmen were Maid Marilyn, Big John, and Crier Tuck.
8) King Tut (Victor Buono)— Appeared in eight episodes; Buono supposedly loved playing the character because it allowed him the chance to overact, one of the aspects of the character that made King Tut so beloved by fans.
7) Marsha, Queen of Diamonds (Carolyn Jones)— Better known for playing Morticia Addams on The Addams Family, Ms Jones was in five episodes of Batman, joining Addams Family cast members John Astin, Ted Cassidy in making Batman appearances.
6) Egghead (Vincent Price)— When I was a kid, would often substitute (eggs-ellent) for excellent when talking to my family. For a little kid, that was eggs-citing. Vincent Price was awesome in this role, an egg-centric guy with a very strangely-shaped head.
5) Mad Hatter (David Wayne)— This villain was obsessed with getting his hands on Batman’s cowl, which of course didn’t happen.
Wayne also appeared in four movies with Marilyn Monroe.
4) Penguin (Burgess Meredith)—Is more famous for playing Rocky Balboa’s trainer Mickey, but Meredith appeared in 20 Batman episodes, most of any villain.
3) Catwoman (Julie Newmar)— Lee Meriwether, Eartha Kitt also played Catwoman, but Julie Newman was the best of the three; she was 5-11, a prima ballerina for the Los Angeles Opera who graduated high school when she was 15.
in 2004, her next-door neighbor Jim Belushi sued her for $4M alleging harassment and defamation of character, as a result of a dispute over leaf-blowing.
2) Joker (Cesar Romero)— Appeared in 19 episodes, 2nd-most of any villain. Romero refused to shave his mustache and you can see it under his white face paint.
Romero had a long, excellent career; he appeared in the first Oceans Eleven (1960).
1) Riddler (Frank Gorshin)— No one wore the green body suit with the big ???’s on it better than Gorshin, who had a long career as a TV guest star, appearing in CSI, Wonder Woman and the original Hawaii Five-O, among many other shows.
John Astin played The Riddler for two episodes, but of course he was way more famous as Gomez Addams in The Addams Family.