Successorheld the mantle from 1959
Wallace Rudolph "Wally" West
Powers. Connection to the Speed Force granting superhuman speed, reflexes, accelerated healing, speed-stealing/sharing, infinite mass punch, vibration/phasing through objects, and time travel.
Origin
Wally West was a young boy who idolized his aunt Iris's boyfriend, Barry Allen—the second Flash—and gained identical super-speed powers when a freak accident in Barry's lab exposed him to the same electrified chemicals, making him Kid Flash before eventually inheriting the mantle of the Flash himself.