Alexander "Cal" Callahan
character in the "Hex Hall" series by Rachel Hawkins
T.C Callahan
character on TV's "The Night Shift"
Kate Callahan
character on the tv show Criminal Minds
Camden Farebrother
a character in George Eliot's 'Middlemarch ' (1871)
Leda
Spartan queen in Greek mythology who gave birth to Helen after being visited by Zeus in the form of a swan
