In one issue of Young Justice, the hero known as Impulse took part in the Forever People's summoning, resulting in the manifestation of a somewhat immature and hyperactive version of the Infinity Man, who displayed super-speed.
In looks, personality and powers, seems to be a younger version of Bart Allen, aka Impulse.
Woody Allen | Allen Ginsberg | Tim Allen | Allen County, Indiana | Allen County | Bart Simpson | Steve Allen | Peter Allen | Bart | Ethan Allen | Paul Allen | Debbie Allen | Booz Allen Hamilton | Tony Allen | Irwin Allen | Bart Starr | Aboite Township, Allen County, Indiana | Wayne Township, Allen County, Indiana | Lily Allen | Tony Allen (musician) | Joan Allen | BART | Gracie Allen | David Allen Sibley | Allen Toussaint | Allen Stanford | Allen Newell | Stephen Allen Davis | Bart D. Ehrman | Allen Lane |
Leaving behind a fake Dear John letter for Bart Allen, that as expected prevented him from questioning Valerie's disappearance and search for her whereabouts, he took Valerie into an unknown location, hoping to use her DNA to restore his appearance, and use Valerie as a bait to take his vengeance on Bart, with Inertia's aid.