Young Justice series. Outside of comics, Bart has been portrayed by Kyle Gallner in the live-action television series Smallville. Jason Marsden voiced the character in the animated series Young Justice. Jordan Fisher portrays a variation of the character as the future son of Barry Allen and Iris West-Allen starting in the seventh season of The CW Arrowverse television series The Flash as a recurring character. Fictional character biography Initial reference As depicted in a Legion of Super-Heroes story, Barry Allen's children—the Tornado Twins—were arrested in A.D. 2995 by the government of Earth, which had fallen under the covert control of the Dominators. Following a one-day trial on trumped-up charges of treason, the Twins were executed. According to a Daily Planet news report, Don Allen is survived by his wife Carmen Johnson (whose real name was Meloni Thawne), his mother Iris West Allen, and his two-year-old son: Barry Allen II. This timeline was wiped out by the events of Zero Hour: Crisis in Time miniseries. Impulse In the new post-Zero Hour timeline, Bart Allen was the son of Don Allen and Meloni Thawne (a descendant of Eobard Thawne). The Tornado Twins of this timeline were killed in an invasion by the Dominators that took place years before this timeline's Legion of Super-Heroes was founded, when Bart was a baby. Bart was born with full super-speed; his cousin Jenni Ognats, daughter of Dawn Allen and Jeven Ognats, did not at first display any signs of super-speed. At the sight of seeing her father tortured, her latent super-speed powers activated and would go on to join the Legion under the name XS. Subsequent to the restoration of the DC multiverse, this along with the entire history of the post-Zero Hour Legion was retconned to have taken place on the parallel world of Earth-247, with the Tornado Twins and their families having traveled there from New Earth. Suffering from a hyper-accelerated metabolism, Bart Allen was aging at a faster rate than that of any other human being, thus causing him to appear the age of twelve when he was chronologically only two years old. To prevent him from developing mental health problems, he was raised in a virtual reality machine which created a simulated world that kept pace with his own scale of time. When it became clear that this method was not helping, his grandmother, Iris Allen, took him back in time to