Marcus Logue is George's former P.E. teacher. George did not like him. Marcus Logue made George's life "a bloody misery", according to George. He once left George hanging from the high bars for 45 minutes. George still can't watch the olympics without having flashbacks. After George has left, Marcus Logue had began an affair with his mother Ruth Sands. George sees this and is shocked. So he convinces his father to fight for Ruth and win her back. After Georges father wins Ruth back, Marcus Logue angrily leaves the house.