Claim: South park was created by Americans.
Evidence: South Park is an American adult animated sitcom created by Trey Parker and Matt Stone and developed by Brian Graden for the Comedy Central television network.
Randolph Severn `` Trey '' Parker III -LRB- born October 19 , 1969 -RRB- is an American actor , animator , writer , director , producer , singer , and songwriter.
Matthew Richard Stone -LRB- born May 26 , 1971 -RRB- is an American actor , animator , writer , director , producer , singer , and songwriter.