At least four different characterseach of whom somehow gained the power of the "Speed Force"have assumed the role of the Flash in DC's history: College athlete Jay Garrick was the first character to take on the alter-ego "The Flash", other characters who have been the Flash are forensic scientist Barry Allen, Barry's brother-in-law Wally West who is currently the youngest Flash, he calls himself "Kid Flash"; and Barry's grandson Bart Allen who becomes "Impulse", the second hero known as Kid Flash.
