Which comedian won two consecutive Grammy Awards in 1978 and 1979 for Best Comedy Album?

Stephen Glenn Martin (born August 14, 1945) is an American actor, comedian, author, filmmaker, and musician. Martin came to public notice in the 1960s as a writer for "The Smothers Brothers Comedy Hour", and later as a frequent guest on "The Tonight Show". In the 1970s, Martin performed his offbeat, absurdist comedy routines before packed houses on national tours. He won two Grammies for Best Comedy Album in 1978 for "Let’s Get Small" and 1979 for "A Wild and Crazy Guy".

"Let’s Get Small" (1977) is an album by American comedian Steve Martin. It includes "Excuse Me", a comedy bit whose title went on to become a national catchphrase. The album went platinum and peaked at No. 10 on the Billboard Pop Albums Chart. It was recorded at The Boarding House in San Francisco, California. This album won the Grammy Award in 1978 for Best Comedy Album.

"A Wild and Crazy Guy" (1978) is an album by American comedian Steve Martin. It reached number two on Billboard's Pop Albums Chart. The album was eventually certified double platinum. It contains the hit novelty single "King Tut", which Martin also performed on Saturday Night Live. The album won the Grammy Award in 1979 for Best Comedy Album.