Lightning Lass is Ayla Ranzz, a member of the Legion of Super-Heroes in the 30th Century. Born on Winath, she gained electric powers through exposure to a Lightning Beast. She also used the alias Light Lass when she gained the power to alter gravity. Every Winathian has a twin, and her brother Lightning Lad is a founding member of the Legion. Her older brother is the super-villain Lightning Lord, who was shunned for having no twin. Timber Wolf and Shrinking Violet are her most notable romantic partners.
Her time paradox duplicate in Batch SW6 is Gossamer. In Reboot Legion continuity, Ayla uses the alias Spark. In Prime Legion continuity, Ayla has only used the alias Light Lass. Lightning Lass was created by Edmond Hamilton and John Forte, first appearing in Adventure Comics #308. (1963)