Supergirl is the name of several fictional superheroine characters appearing in American comic books published by DC Comics. The original and most well known Supergirl is Kara Zor-El, also known as the cousin of the superhero Superman. The character made her first appearance in Action Comics #252 (May 1959) and was created by Otto Binder and Al Plastino. Created as a female counterpart to Superman, Kara Zor-El shares his super powers and vulnerability to Kryptonite. Supergirl plays a supporting role in various DC Comics publications, including Action Comics, Superman, and several comic book series unrelated to Superman. In 1969, Supergirl's adventures became the lead feature in Adventure Comics, and she later starred in an eponymous comic book series which debuted in 1972 and ran until 1974, followed by a second monthly comic book series, The Daring New Adventures of Supergirl, which ran from 1982 to 1984.
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