Jason Bard was a United States Marine.
Jason is a Caucasian male with dark hair and green eyes. As a US Marine he wears a helmet, long sleeved green shirt and similar coloured pants, with an armoured vest. He has a number of pouches strapped to his pants.
In the comics, Jason Bard is a Gotham City detective, and later a private eye. He is part of Batgirl's supporting cast. Pre-Crisis, he had a knee injury from the Vietnam War, which is alluded to in the episode: he's seen clutching his knee before Superboy rescued him.