Stargirl

Courtney Elizabeth Whitmore is a superheroine known as Stargirl (often called "Stars" or "Star") in the DC Comics Universe. Originally known as the second Star-Spangled Kid, she began using the name "Stargirl" after she was presented with the Cosmic Staff by Jack Knight. The character is a creation of Geoff Johns, who based her personality on that of his sister, also named Courtney, who died in the explosion of TWA Flight 800 in 1996.