Gwendolyne 'Gwenny' Lou Sabuki was a Japanese-American citizen who like all Japanese-Americans was rounded up during WW2 and placed inside a relocation camp. From this camp she was kidnapped, along with her father, Dr. Sam Sabuki, by Agent Axis, a super-powered operative for the Axis powers.
As a result, she was present at a stateside battle in which sidekicks Bucky Barnes and Toro (Thomas Raymond) of the superhero team the Invaders fought Agent Axis. Axis placed her, Davey Mitchell, Bucky and Toro into a machine designed to restore Agent Axis to his normal form. Before this could take place Bucky and Toro tried to escape, and in the ensuing brawl one of Sam Sabuki's machines exploded, granting superpowers to Gwenny Lou and David Mitchell. Gwenny Lou gained the power to generate light and energy and project golden force beams from her hands, while Mitchell gained the ability to spin at superhuman speeds; she became Golden Girl, he the Human Top. The four youthful heroes defeated Agent Axis, and later formed the Kid Commandos, who were allied with the adult Invaders.
Gwenny had two siblings and two grandchildren: