Impulse

Impulse I real name is Bart Allen grandson of Barry Allen the 2ed Flash. He Traveled back in time as a tourist to see every one from the past. Then his time machine was busted so he had to stay in the past.

Super Speed
Impulse has many powers, making speed force duplicates of him self, age his body, and many powers all coming from the speed force and super speed.

Teams
Impulse has been on may teams like young justice and teen titans