Bill Maher (born January 20, 1956) 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 as well as his run as host of the ABC-TV late-night talk show Politically Incorrect (1996-2000). He makes a guest appearance on Roseanne as "Bob" in the Season 5 episode "It Was Twenty Years Ago Today".
Maher began his career as a stand-up comedian and actor. He was host of the New York City comedy club Catch a Rising Star in 1979. Maher began appearing on Johnny Carson's and David Letterman's shows in 1982. He made limited television appearances including a recurring role in Sara (1985), appeared in Max Headroom (1987), two separate appearances on Murder, She Wrote (1989, 1990), a recurring role in Charlie Hoover (1991) and other productions. His feature film debut was in D.C. Cab (1983). He later appeared in Ratboy (1986), House II: The Second Story (1987), Cannibal Women in the Avocado Jungle of Death (1988), and Pizza Man (1991), among others.
Maher has a friendly relationship with Family Guy creator, Seth MacFarlane, who often appeared on Real Time.
Maher guest stars as host of his show, in "Brian Writes a Bestseller" with Dana Gould and Arianna Huffington where Brian Griffin promotes his book, Wish It, Want It, Do It.. With Brian there, he points out all of the flaws the book has. Eventually, he forces Brian into confessing the truth that he wrote the book badly and believes himself that it is junk. He loses respect for Brian saying that a real author would write better and stand by their words no matter what. When Brian tries nervously to gain some respect back, he urinates on the set, leading Maher to furiously chase him out.