Stepdaughter of the original Star Spangled Kid's sidekick, Courtney Whitmore one day stole her father's friend's uniform and began using it to fight crime and save lives. Soon after, she was given the Cosmic Staff from another golden age hero that gave her the power of flight and the ability to fire cosmic energy. With her staff, Courtney becomes the superhero Stargirl. She would soon join the Justice League as one of its members.
- Field Trip
- Mxy's Mix-Up
- Supernatural Adventures in Babysitting
- Harley Goes Ape!
- Party Animal (non-speaking appearance)
- Stargirl is voiced by Natalie Lander, who previously voiced her in Infinite Crisis.