immortal living secretly among us theme

A character who doesn't age and who has lived an impossibly long time lives secretly among us run-of-the-mill mortals.

Examples

Flint is revealed to be an immortal human who had lived on Earth under various aliases for thousands of years in tos3x21 "Requiem for Methuselah".

6 total · 3 choice · 3 major

StoryLevelMotivation
movie: The Man from Earth (2007) choice John Oldman claiming to be a caveman who'd secretly survived for more than 140 centuries constitutes the film's primary novelty.
tos3x21 choice Flint lived on Earth for thousands of years
tz1959e5x23 choice Pamela was able to transfer other peoples' youth into herself, thus staying young indefinitely.
movie: The Man Who Turned to Stone (1957) major A group of doctors had secretly kept themselves alive for over 200 years.
rbt1985e2x05 major One gathers that Mr. Koberman had ceased aging since at least the fin de siècle. There was a photo of him posing in front of the Eiffel Tower as it was being built.
tz1985e1x24b major It turned out that a number of Arthurian characters were still around in present day.