She was a crafty seductive villainess who thought diamonds were a girl's best friend as in the song by Carol Channing.
While Batman and Robin don't go into crimefighting alone, Marsha has some associates that help her in her crimes.
- Aunt Hilda (portrayed by Estelle Winwood) - Marsha's aunt. She is a woman who thinks she is a witch. Aunt Hilda would often use potions that wouldn't work as she hoped. A former Chemistry teacher at Vasser College; she becomes a Cooking teacher.
- Grand Mogul (portrayed by Woody Strode) - Marsha's henchman who assisted Marsha in a plot to get the Bat-Diamond.
- The Penguin - Worked with the Black Bird of Prey on one occassion.
- Red Turban (portrayed by Walt Davis) - Marsha's henchmen
- Blue Turban (portrayed by David Armstrong) - Marsha's henchmen
- Henchman #1 (portrayed by Frank Baron) - Penguin's and Marsha's henchmen
- Henchman #2 (portrayed by Steve Conte) - Penguin's and Marsha's henchmen
- Henchman #3 (portrayed by Albert Cavens) - Penguin's and Marsha's henchmen
- Henchman #4 (portrayed by Boyd 'Red' Morgan) - Penguin's and Marsha's henchmen
- Henchman #5 (portrayed by Troy Melton) - Penguin's and Marsha's henchmen
- Marsha, Queen Of Diamonds/Marsha's Scheme Of Diamonds
- Penguin Is A Girl's Best Friend/Penguin Sets A Trend/Penguin's Disastrous End
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