Machine Gun Parker was one of Ma Parker's sons. He is the tallest in his family.
History[]
He was present with his mother, brothers and sister during one of Ma Parker's robberies in Gotham City. He was captured by Batman and Robin and taken to Gotham Penitentiary after he was left behind by his family.
Machine Gun assisted his family in their takeover of the penitentiary, leading all the other inmates in joining them, but he, along with his family, were eventually defeated by Batman and Robin.