Here's a weird one. She had her own TV show, and was in no fewer than four films as herself, and yet, until she died, we'd never heard of her.
Pamela Mason was never played in a game.
As an influential and successful warrior-author, he was heavily courted by the then-emerging Nazis, but declined to join the party. He opted instead for the more extremist, fringe groups of the time. Sounds like a fun date.
(d) February 17th, 1998