Catherine

Catherine is the French form of Katherine, and also a common English variant.

The following characters have the first name Catherine:
 * Catherine II of Russia, historical monarch referenced in "Before the Beginning".
 * Catherine Eddowes, historical victim of Jack the Ripper referenced in "Gentlemen of the Shade".

The following characters have the first name Catalina:
 * Catalina Ibanez, fictional character in Ruled Britannia.

Places and things named for Catherine:
 * Catalina Island, California, island relevant to "Getting Real".