Help me think of more
  1. Abner Ravenwood
    Raiders of the Lost Ark
  2. Chester Copperpot
  3. Doctor Forrestal
    Raiders of the Lost Ark
  4. Inigo Montoya's father
    The Princess Bride
  5. James and Lily Potter
    Harry Potter and the Sorcerer's Stone
  6. Allie Caulfield
    The Catcher in the Rye
  7. King Hamlet
  8. John Kinsella
    Field of Dreams
  9. Thomas Schell
    Extremely Loud and Incredibly Close
  10. Slimer
  11. Seymour Glass
    Seymour, An Introduction
  12. Jacob Marley
    A Christmas Carol
  13. Miss Jessel and Peter Quint
    The Turn of the Screw
  14. Beloved
  15. John Shade
    Pale Fire
  16. Elise McKenna
    Somewhere in Time
  17. Virgil
    Dante's Inferno
  18. Headless Horseman
    Legend of Sleepy Hollow
  19. The Nazgûl
    The Lord of the Rings
  20. The wife in Inception
    Suggested by @eatthelove
  21. James Orin Incandeza Jr./"Himself"
    From Infinite Jest
    Suggested by @trevler