Stan Freberg ( born Stanley Victor Friberg ; August 7 , 1926 -- April 7 , 2015 ) was an American author , recording artist , animation voice actor , comedian , radio personality , puppeteer and advertising creative director , whose career began in 1944 .
Stanley Victor `` Stan '' Freberg ( August 7 , 1926 -- April 7 , 2015 ) was an American author , recording artist , animation voice actor , comedian , radio personality , puppeteer and advertising creative director . His career began in 1944 .