Impulse

Bartholomew Allen
Bart (Nickname)
Impulse

Human

Metropolis, USA, Earth

Barry Allen (Grandfather)
Iris West (Grandmother)

Don Allen (Father)
Meloni Allen (Mother)

31st Century

Hit by lightning which gave him his powers
Transported to the 21st century
began operating as the sidekick of Wally West

Justice League

Super Speed

Kyle Gallner (Smallville)
Jordan Fisher (The Flash)
Jason Marsden (Young Justice)