Impulse
Suffering from a hyper-accelerated metabolism, Bart Allen was aging at a faster rate than that of any 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 the present where The Flash, Wally West, tricked Bart into a race around the world. por forcing Bart...