I could also be, that by 1942 the Stuka was essentially obsolete after the Battle of Britain and any airworthy aircraft were relegated to the Russian front, used-up, destroyed and/or discarded.
It was customary for the pilot to name the left side of the plane and the crew chief to name the right side (which didn't happen all to often. It would be doubtful that the name "Jersey Jerk" would appear on both sides.