Secret Identities (but no superheroes)
- A Norwegian named Sigerson - Sherlock Holmes
- Admiral Naismith - Lord (later Lieutenant) Miles Vorkosigan
- Walter White - Heisenberg
- William Thatcher – Sir Ulrich von Liechtenstein of Gelderland
- The Scarlet Pimpernel - Sir Percy Blakeney
- Zorro - Don Diego de la Vega
- The Count of Monte Cristo - Edmond Dantes
- Albert Campion - His true first name is Rudolph. His surname begins with a K but is not revealed.
- B.B. Flemm - Jon Sable, Freelance
- Tyler Durden - unnamed narrator of Fight Club
- Mr. Underhill - Frodo Baggins’s pseudonym in Bree, in LOTR