Fictional Characters from Television: 4 characters
Cliff Barnes   1978   Dallas  
Cliff Clavin   1982   Cheers  
A. C. Slater (a.k.a. Clifford)   1989   Saved by the Bell  
Greg Montgomery (a.k.a. Clifford)   1997   Dharma & Greg  
Hall-of-Famers: 3 football, 1 basketball
(football) Cliff Battles   1968  
(basketball) Cliff Hagan   1977  
(football) Cliff Harris   2020  
(football) Cliff Branch   2022  
Nobel Prize Winners: 1 physics
(physics) Clifford Shull   1994  
Notable Actors and Entertainers: 4 actors
Clive Brook   1887-1974  
Howard Keel (a.k.a. Clifford)   1919-2004  
Cliff Robertson   1923-2011  
Cliff Curtis   1968-  
Notable Athletes: 2 basketball, 1 football
(basketball) Cliff Hagan   1931-  
(basketball) Clifford Luyk   1941-  
(football) Cliff Branch   1948-2019  
Notable Musicians: 1 musician
Cliff Burton   1962-1986  
Olympic Medalists: 3 gold, 2 silver
(gold) Frank Wykoff (a.k.a. Clifford)   1928; 1932; 1936   4x100 m relay  
(gold) Cliff Bourland   1948   4x400 m relay  
(gold) Cliff Barker   1948   basketball  
(silver) Clifford Harrison   1952   ice hockey  
(silver) Glen Housman (a.k.a. Clifford)   1992   swimming - 1500 m freestyle  
Oscar Award Winners: 1 actor
(actor) Cliff Robertson   1969   Charly  
Rock and Roll Hall-of-Famers: 2 musicians
Cliff Williams   2003   AC/DC  
Cliff Burton   2009   Metallica