Supergirl

Kara Zor-El is Superman's cousin from the planet Krypton. She also survived the planet's destruction and was sent to Earth where she became Supergirl.

How Wonder Woman Should Have Ended
Supergirl and Batgirl appear sitting in the open-air part of Super Cafe and listening to Wonder Woman's adventure. Unlike her cousin, she neither mocks or questions Wonder Woman nor finds any plotholes.