Flash's real name is Anthony S. Gambello, and his rank is that of corporal E-4. Flash was born in Lodi California.
He is highly skilled in many aspects of electronic technology and equipment repair, and has a Master's degree in electronic engineering. Flash enlisted and received specialized training in the Army Electronics School, Chemical School and Covert Electronics. Later, he was assigned to the Aberdeen Proving Ground's covert electronics division, where his new laser range finder lead him to be recruited by General Flagg. He is a qualified expert with the M-16, M-1911A1 auto pistol, and XMLR-1A shoulder-fired laser rifle.
He first appeared in the G.I. Joe animated series in the A Real American Hero mini-series. His only major role came in the episode "Operation: Mind Menace". He joined Airborne in tracking down Cobra to a base on Easter Island after they kidnapped a Hawaiian girl who possessed psychic abilities. Unfortunately, Airborne's brother Tommy was being kidnapped at the same time and the trauma of the event affected the psychic link Tommy and Airborne shared. The Joes were captured by Cobra and Cobra Commander used Tommy's abilities to animate two Easter Island heads into transforming into giant stone warriors and attacking the Joes. Flash and Airborne fought off their attackers until they were rescued by Duke and Lady Jaye. Flash then took part in the attack on Cobra's base atop K-12. He and Stalker teamed up to free the Hawaiian girl from Cobra's clutches.
G.I. Joe: The Movie
In G.I. JOE: The Movie, Flash can seen in the background during the Battle of Cobra-La.