Egon Spengler a room for hours and gradually raising the temperature. A positive test involved a girl in a room with dozens of stuffed animals and a puppy. He was the first person Dana Barrett contacted when her baby carriage took off by itself. Egon recommended bringing in Ray, and they both performed a physical exam on Dana's son Oscar. Egon, along with Peter and Ray were later arrested after digging a large hole under First Avenue as part of their paranormal investigations to help Dana. During the course of their trial they were found guilty of willful destruction of public property,
Egon Olsen secure world of the middle and upper classes." Egon's involvement in each film follows a similar pattern. Egon constantly develops new and "genius" plans during his stays in prison. His catchphrase is "I have a plan", which he says to his accomplices in all fourteen films after being released from prison. The plan succeeds through the most intricate machinations (Egon's specialty is the cracking of safes with merely a stethoscope and fine feeling) but Egon always loses his object of desire due to some freak accident at the end of the movie, usually caused by the incompetence of his accomplices.