Colbert plays a character who shares his name. Colbert's character is a liberal stereotype of a conservative pundit. Colbert mocks conservatives, particularly Fox News host [[Bill O'Reilly]] on his show, He has a guest every episode on the last segment, including authors, activists, and occasionally politicians and political personalities. | Colbert plays a character who shares his name. Colbert's character is a liberal stereotype of a conservative pundit. Colbert mocks conservatives, particularly Fox News host [[Bill O'Reilly]] on his show, He has a guest every episode on the last segment, including authors, activists, and occasionally politicians and political personalities. |