Cliff Nazarro

Cliff Nazarro (January 31, 1904 – February 18, 1961) was an American double-talk comedian of the 1930s and 1940s who appeared in films such as You'll Never Get Rich (1941) as Swivel Tongue, In Old Colorado (1941) as Nosey Haskins, and Hillbilly Blitzkrieg (1942) as Barney Google.
Nazarro was the voice of Warner Bros. Cartoons' cartoon character Egghead. He made a few commercial recordings, including a 1932 date as vocalist with swing band Roane's Pennsylvanians and a 1942 comic recitation, "News of the World". He made several uncredited appearances on the Jack Benny Program during the 1930s and early 1940s.
[biography (edited) from Wikipedia]