XS is a fictional superhero in DC Comics' The Flash. Her real name is Jenni Ognats, the daughter of Dawn Allen and Jeven Ognats, the niece of Don Allen and Meloni Thawne, the cousin of Bart Allen and the granddaughter of Barry Allen and Iris West.
Trivia[]
In the Arrowverse, Jenni served as inspiration for the characters Jenna West and Nora West Allen. The first character is depicted as Iris West's half-sister. Meanwhile, the latter is a mixture of Jenni and her mother, Dawn Allen, as well as Nora Allen II (Barry Allen and Jessica cruz/green lantern's daughter from another Universe}