Which American television host is also known as a stand-up comedian?

Ellen Lee DeGeneres (born January 26, 1958) is an American comedian, television host, actress, writer, and producer. She starred in the sitcom "Ellen" from 1994 to 1998 and has hosted her syndicated TV talk show, "The Ellen DeGeneres Show", since 2003. Her stand-up career started in the early 1980s and included a 1986 appearance on "The Tonight Show Starring Johnny Carson". DeGeneres started performing stand-up comedy at small clubs and coffee houses. By 1981, she was the emcee at Clyde's Comedy Club in New Orleans. DeGeneres cites Woody Allen and Steve Martin as her main influences at this time. In the early 1980s she began to tour nationally, and in 1984 she was named Showtime's funniest person in America.