He later voiced characters for Hanna-Barbera's television cartoons, including Barney Rubble on The Flintstones and Mr. Spacely on The Jetsons. During the golden age of radio, Blanc also frequently performed on the programs of comedians from the era, including Jack Benny, Abbott and Costello, Burns and Allen, The Great Gildersleeve, and Judy Canova. Blanc was nicknamed "The Man of a Thousand Voices", and is regarded as one of the most influential people in the voice acting industry.