Mel Blanc (1908-1989) was a famous voice-over actor. He is most famous for voicing many Looney Tunes and Merrie Melodies characters, such as Bugs Bunny, Porky Pig, Daffy Duck, and many more. He also voiced Barney Rubble on The Flintstones.
He was also a regular on Jack Benny's radio show in the 1940s.