XS is a speedster and superhero in the 30th Century. She is a member of the Legion of Super-Heroes representing Earthgov in Reboot Legion continuity. Her grandfather is Barry Allen, also known as The Flash, which makes her part of the Flash Family. Her mother is Dawn Allen of the Tornado Twins, her father is the politician Jeven Ognats, and her cousin is Bart Allen. XS was created by Tom McCraw and Jeff Moy, first appearing in Legionnaires #0. (1994)

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