Hank Azaria, who is best known as the voice of countless Simpsons characters including: Chief Wiggum, Apu, Moe, Comic Book Guy, Snake, Carl and Dr Nick just to name a few. In fact, Azaria voices the most characters on the entire show. In this brief clip, Azaria explains what Mel Blanc’s most impressive ability was.

Melvin Jerome “Mel” Blanc (May 30, 1908 – July 10, 1989) was an American voice actor and comedian. Although he began his nearly 60 years long career performing in radio commercials, Blanc is best remembered for his work with Warner Bros. during the “Golden Age of American animation” as the voice of Bugs Bunny, Daffy Duck, Porky Pig, Tweety Bird, Sylvester the Cat, Yosemite Sam, Foghorn Leghorn, Marvin the Martian, Pepé Le Pew, Speedy Gonzales, the Tasmanian Devil, and many of the other characters from the Looney Tunes and Merrie Melodies theatrical cartoons. He later worked for Hanna-Barbera’s television cartoons, most notably as the voice of Barney Rubble in The Flintstones and Mr. Spacely in The Jetsons.

Having earned the nickname “The Man of a Thousand Voices,” Blanc is regarded as one of the most influential people in the voice-acting industry. At the time of his death, it was estimated that 20 million people heard his voice every day.