Chevy Chase
From Muppet Wiki
Chevy Chase (b. 1943) is a comic actor and one of the early stars of Saturday Night Live, whose sketch roles included anchoring "Weekend Update." When the Muppets missed a scheduled appearance during the first season of the show, he stood in and performed a sketch with his bare hands as puppets on the "Land of Gorch" set.
He later appeared in Follow That Bird as a newscaster who reported on Big Bird's journey and mispronounced the name of Sesame Street.
References
When Baby Fozzie uses the line "Good evening, I'm Fozzie Bear and you're not!" in the Muppet Babies episode "A Punch Line to the Tummy," his lack of audience response causes confusion, as it always used to work for Chevy Chase on "Weekend Update."

