Bill Scott ( voice actor ) William John " Bill " Scott ( August 2 , 1920 – November 29 , 1985 ) was an American voice actor , writer and producer for animated cartoons , primarily associated with Jay Ward and UPA . Career . Scott was born in Pittsburgh , Pennsylvania . During World War II he served in the U . S . Army ' s First Motion Picture Unit ( reporting to Lt . Ronald Reagan ) , where he worked with such animators as Frank Thomas . After the war , he became what was then known as a " story man " at Warner Bros . , working under director Arthur Davis . He later worked at the cutting - edge studio United Productions of America where he was one of the writers who adapted Dr . Seuss ' s original story for the 1951 Academy Award - winning short " Gerald McBoing - Boing " , which later became a television show , as well as adapting the 1953 Academy Award - nominated short film of Edgar Allan Poe ' s " The Tell - Tale Heart " . Scott began work as a voice actor as well when he joined Jay Ward as head writer and co - producer , and voice acted in such television series as " The Rocky and Bullwinkle Show " ( most notably as Bullwinkle , as well as Dudley Do - Right ) . In a 1982 interview , Scott said , " I got a call from Jay [ Ward ] asking if I ’ d be interested in writing another series , an adventure script with a moose and a squirrel . I said , ' Sure . ' I didn ’ t know if I could write an adventure with a moose and a squirrel , but I never turned down a job . " " He also wrote many commercials for General Mills because General Mills had bankrolled much of " The Rocky and Bullwinkle Show , " and the Quaker Oats Company , most notably those for Cap ' n Crunch cereal . The voice of Rocky , Nell Fenwick and many of the feminine roles was performed by June Foray , although Scott ' s wife Dorothy voiced several female parts as well . Scott also starred on " George of the Jungle " as George , Super Chicken , and Tom Slick , as well as " Fractured Flickers " and " Hoppity Hooper " . Scott also had done live - action acting on the television show " The Duck Factory " which starred Jim Carrey , as well as featuring noted voice actors Don Messick and Frank Welker . In the episode " The Annie Awards " , Scott plays the emcee at an award ceremony for cartoonist s . Later career . Toward the end of his career , Scott worked for Walt Disney Studios , where he voiced Moosel on " The Wuzzles " , and was Gruffi Gummi in " Disney ' s Adventures of the Gummi Bears " ( he was succeeded by Corey Burton after his death ) . Gummi Bears , his last role , had also reunited him with June Foray , his " Rocky and Bullwinkle " co - star . Scott was also a fine singer and performer , active with a Little Theatre group in Tujunga called the Foothill Curtain Raisers . He was especially well known for his talents interpreting Gilbert and Sullivan , and did much to encourage aspiring actors and musicians . He donated great amounts of time to tutoring young people in difficulty . Death . Scott died of a heart attack on November 29 , 1985 in Tujunga , Los Angeles , California . He was survived by his wife , Dorothy , and their three children . Because of this , further episodes and seasons of " The Wuzzles " were canceled , and Scott ' s roles in " Disney ' s Adventures of the Gummi Bears " were all recast with different actors .