Gender in speculative fiction
The first known female superhero is writer-artist Fletcher Hanks's minor character Fantomah, an ageless, ancient Egyptian woman in the modern day who could transform into a skull-faced creature with superpowers to fight evil; she debuted in 1940 in Fiction Houses "Jungle Comics".
Batgirl
Batgirl is the name of several fictional superheroes appearing in American comic books published by DC Comics, depicted as female counterparts to the superhero Batman. Although the character Betty Kane was introduced into publication in 1961 by Bill Finger and Sheldon Moldoff as Bat-Girl, she was replaced by Barbara Gordon in 1967, who later came to be identified as the iconic Batgirl. The character debuted in "Detective Comics" #359, titled "The Million Dollar Debut of Batgirl!" (January 1967) by writer Gardner Fox and artist Carmine Infantino, introduced as the daughter of police commissioner James Gordon.