Hal Smith (August 24, 1916 – January 28, 1994) is an American actor and voice actor. He is best known as Otis Campbell on The Andy Griffith Show. He is also known as the voice of Owl for the Winnie-the-Pooh franchise until his death. His other roles include Gyro Gearloose and Flintheart Glomgold on DuckTales. He voiced the recurring character Sludge of the Wartmongers and Dismal Boggs for the Season 4 episode "The Secret Of Shadow Swamp".