Comic book superhero created by Mark Waid and Mike Weiringo. Impulse is Bartholomew "Bart" Allen, the grandson of Barry Allen, the second Flash. He was born with the speed force which gives the various Flashes their power. He was born in the future, and his grandmother brought him back in time to allow Wally West and Max Mercury, two speedsters, to help him control his power and avoid rapidly aging and dying. He is a member of the teenage superhero troupe, Young Justice, and currently goes to high school in Manchester, Alabama. DC Comics publishes his regular monthly series.