John Sidney McCain III (August 29, 1936 - August 25, 2018) was an American politician and US Navy officer who served as a United States Senator for Arizona from 1987 until his death in 2018. He previously served two terms in the United States House of Representatives. McCain was the Republican nominee in the 2008 United States presidential election.
McCain hosted the show on October 19, 2002. He made cameo appearances in the "McCain in One" and "John McCain and Sarah Palin do QVC" sketches in 2008. He also appeared in Weekend Update segments for both of those episodes. He was impersonated by Chris Parnell three times from February 5, 2000 to December 10, 2005 and by Darrell Hammond eight times from to March 15, 2008 to March 7, 2009.