Little is known about Jock. This boy was a student of Mr. Carter and his guinea pig right in his genetic experiments. During the onslaught of Headcase, in the College Walker, in San Francisco, Jock faced Superboy.
Fortunately, the team defeats Headcase while Caligan escapes and his other victims like Doll Face is taken to the hospital, while Jock wasn't found.
The Caligan's goal is unknown.
Powers & Abilities
Jock has great strength and endurance.