Claim: Tommy Chong is part of a comedy duo.
Evidence: Thomas B. Kin Chong -LRB- born May 24 , 1938 -RRB- is a Canadian-American comedian and actor , who is known for his marijuana-themed Cheech & Chong comedy albums and movies with Cheech Marin , as well as playing the character Leo on Fox 's That '70s Show.
Cheech & Chong are a Grammy Award -- winning comedy duo consisting of Richard `` Cheech '' Marin and Tommy Chong who found a wide audience in the 1970s and 1980s for their films and stand-up routines , which were based on the hippie and free love era , and especially drug and counterculture movements , most notably their love for cannabis.