THE FLASH: Get Your First Official Look At Jordan Fisher Suited-Up As Impulse We got a glimpse of Jordan Fisher as Bart Allen in some recent set photos, but the CW has now shared our first official look at the To All The Boys actor in full costume as Impulse. Check it out... RorMachine | 5/21/2021 Barry Allen and Iris West's son Bart Allen is set to make his debut in the upcoming 150th episode of The Flash, and The CW has now revealed our first official look at Jordan Fisher ( To All The Boys, She-Ra and the Princesses of Power) in full costume as Impulse.