Super Girl is a fictional superhero appearing in comic books published by DC Comics. She is the cousin of Superman and possesses similar powers, including super strength, flight, and heat vision. Created by writer Otto Binder and designed by artist Al Plastino, she first appeared in Action Comics #252 in 1959. The character's real name is Kara Zor-El, and she hails from the planet Krypton. After her home planet's destruction, she was sent to Earth to protect her younger cousin, Kal-El (Superman). Over the years, Super Girl has become a prominent figure in the DC Universe, starring in her own comic series and television adaptations.