David Marshall “Carbine” Williams' story was made famous in the 1952 film starring James Stewart, but his legend has become somewhat larger than the real story. Still the unlikely story of “Carbine” Williams is history that deserves to be remembered.
An epithet is a byname, a characterizing word or phrase that accompanies or occurs in place of the name of a person or thing. Historically, some have been unfortunate- just ask Alfonso the Slobberer or Eystein Foul-Fart.