Notable role: Carol Burnett in The Carol Burnett Show (1967-1978)

A lot of comedians give all the credit to Carol Burnett and her hour-long variety show, The Carol Burnett Show, for inspiring them to make people laugh in the first place. With her groundbreaking program, she not only proved that a sketch comedy show could be successful without a man running it, she proved that it could thrive. Just check out the shows 23 Emmy awards.