Bill Maher is a comedian and talk-show host. He is best known as the host of the HBO comedic news show Real Time with Bill Maher.
When Donna and Cleveland head to Las Vegas to try to head off Donna's sister Janet from marrying Holt in "Another Bad Thanksgiving", Donna tries to describe their appearance as a short gentleman with a "tall, statuesque black woman" and are directed to Bill Maher.