In which film is Truman Burbank a character?

Who played Peter Venkman in 'Ghostbusters'? In which film is Peter Venkman a character? Who played Axel Foley in 'Beverly Hills Cop'? Who played Truman Burbank in 'The Truman Show'? Who played Stanley Ipkiss in 'The Mask'? Who played Lloyd Christmas in 'Dumb and Dumber'? In which film is Lloyd Christmas a character? Who played Ron Burgundy in 'Anchorman: The Legend of Ron Burgundy'?