Yellow Card Man

The  is a bum in 1960 who tells Jake Epping that he does not belong in the past. He is the only one in the past who notices Jake coming and going whereas everyone else forgets after Jake resets the timeline.

Appearances

 * The Rabbit Hole
 * The Kill Floor
 * The Eyes of Texas
 * Happy Birthday, Lee Harvey Oswald
 * Soldier Boy
 * The Day in Question

General

 * The yellow card in his hat (which is also seen in the opening titles) depicts an ancient symbol called an ouroboros, a serpent eating its own tail, which represents an endless cycle or loop.