When groundbreaking late night sketch show "Saturday Night Live" debuted Oct. 11, 1975, Don Pardo was there. The announcer's legendary baritone was the fourth voice ever heard on the show (following an opening sketch with Chevy Chase, John Belushi, and Michael O'Donoghue). And from 1975 until his death in 2014 at the age of 96 (minus the 1981-1982 season), Pardo giddily proclaimed "It's Saturday Night Live!" at the start of every episode. Today "SNL" continues to bring edgy topical live sketch comedy to late night TV, though over the years we've said goodbye to some of the show's greatest talents, including Pardo, John Belushi, Gilda Radner, and Chris Farley. In honor of Don Pardo's 100th birthday Feb. 22, 2018, we're looking back at the "Saturday Night Live" stars who are no longer with us.