The term CLARK OR CAVETT refers to two famous American television personalities, DICK Clark and Johnny Carson. DICK Clark was an American radio and television personality, best known for hosting the game show 'American Bandstand' from 1957 to 1987. Johnny Carson was an American television host, comedian, writer, and producer, best known for hosting the late-night talk show 'The Tonight Show Starring Johnny Carson' from 1962 to 1992. Both men were influential figures in the entertainment industry and are remembered for their contributions to television.