Updated: April 21, 2021

The wonderful Batman TV series of the 1960's was best known for its colorful roster of crazy adversaries, including the Joker, the Riddler, the Penguin, the Catwoman, Egghead, and King Tut. But apart from unfunny lame-o's like Shame and Marsha, Queen of Diamonds, who both appeared twice, there were also a handful of variable one-offs who only appeared the once... Here are the "forgotten" Batman bad guys (and bad girls).