Olson was a member of the crew of the British ship sunk by the U-33. An overweight Irishman, Olson was a tough fighter. In Caprona, he assisted Bowen Tyler in defending the submarine from a plesiosuaurus, shooting the marine reptile with a machine gun. As working relations between the British and German crews broke down, it was Olson who goaded Dietz into a fistfight which Captain Von Schoenvorts had to break up. Olson would ultimately be killed by Dietz aboard the U-33, when Dietz betrayed Von Schoenvorts and wounded him. Dietz moved to shoot Bradley as well, but Olson took the bullet for his superior officer instead.