DC's Stargirl, or simply Stargirl, is an American superhero television series created by Geoff Johns that premiered on streaming service DC Universe. It is based on the DC Comics superhero Courtney Whitmore created by Johns and Lee Moder. The series follows high school student Courtney Whitmore who discovers the cosmic staff and becomes the inspiration for a new generation of superheroes who become the Justice Society of America. This page lists the characters that appear in this show.