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You know Harold Ramis as the brains behind such comedy staples as “Animal House,” “Caddyshack” and “Groundhog Day.” Gilda Radner and John Belushi made us keel over with laughter with their hilarious bits on “Saturday Night Live.”

But before all that, they were all stars on the “National Lampoon Radio Hour.” In this clip from the 2015 documentary “Drunk Stoned Brilliant Dead: The Story of National Lampoon,” we get just a peak of the three late stars, along with Bill Murray and Brian Doyle-Murray, doing what they did best.

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Sadly, these three comedic icons are no longer with us. In 1982, Belushi died of a drug overdose when he was only 33 years old. Seven years later, Radner, the wife of the recently deceased Gene Wilder, passed away after from ovarian cancer. We lost Ramis back in 2014 autoimmune inflammatory vasculitis.

They are gone, but certainly not forgotten.