David Wayne Spade (born July 22, 1964) is an American actor, comedian, television personality who gained fame in the 1990s as a cast member on Saturday Night Live, and from 1997 until 2003 as Dennis Finch on Just Shoot Me!. He also replaced John Ritter along with James Garner on 8 Simple Rules. He currently stars as Russel Dunbarl on the CBS sitcom Rules of Engagement..