Playboy founder Hugh Hefner's Los Angeles neighbors have filed a complaint against him, Reuters reports. It alleges that the 75-year-old's frequent parties at his 31-room Playboy Mansion cause too much noise and traffic congestion. Though the city hasn't found Hefner in violation of any laws, he hopes to placate his neighborhood by adding sound barriers and shuttle buses for his party guests. "Hugh Hefner has lived there for a very long time," said a Playboy Enterprises rep. "He wants to be a good citizen." — Daniel R. Coleridge with Michael Ausiello