6. Dan Aykroyd (1975-1979)

Pre-Ghostbusters and pre-Driving Miss Daisy, Dan Aykroyd served as one of Saturday Night Live's original cast members, developing and perfecting characters that became fast classics. Some of them, like Beldar Conehead and Elwood Blues of The Blues Brothers, began to take on lives of their own, gaining such popularity from the movies that it was easy for fans of younger generations to forget about their NBC origins.