Namesakes
Fictional Characters from Books:
1 character, 1 hero
Caleb Trask (a.k.a. Cal) 1952 East of Eden 
Cal 1983 Cal
Fictional Characters from Movies:
1 character, 1 villain
Cal Hockley 1997 Titanic
Cal 2014 Kelly & Cal
Hall-of-Famers:
1 baseball, 1 football
(football) Cal Hubbard 1963
(baseball) Cal Ripken Jr. 2007
Most Valuable Players:
1 winner
Cal Ripken Jr. 1983; 1991 baseball
Notable Actors and Entertainers:
1 actor
Cal MacAninch 1963-
Notable Athletes:
1 baseball
(baseball) Cal Ripken Jr. 1960-
Olympic Medalists:
1 bronze, 1 bronze/silver
(bronze/silver) Calvin Bricker (a.k.a. Cal) 1908; 1912 long jump
(bronze) Cal Strong 1932 water polo