Jennie-Lynn Hayden is a major protagonist in the second and third season of Stargirl. She is the daughter of JSA member Alan Scott and the twin sister of Todd Rice. Jennie took over her father's role as the bearer of his lantern and ring. She has an unsteady relationship with Courtney at first due to a fight breaking out between the two. However, Courtney and Jennie finally becomes friends.
Jennie later became an official member of the Team, helping defeat Eclipso and Ultra Humanite. By 2031, she took on the name Jade.