premise: Christopher Crosby Farley (February 15, 1964 – December 18, 1997) was an American actor and comedian. Farley was known for his loud, energetic comedic style, and was a member of Chicago's Second City Theatre and later a cast member of the NBC sketch comedy show "Saturday Night Live" between 1990 and 1995. Farley died of a drug overdose in 1997 at the age of 33.
hypothesis:  Farley was the last living Saturday Night Live cast member
reason: Both Tracey Morgan and Will Farrell are still alive