"The Stranger," Jon answered. "The unknown and uncanny. Clowns and masks and...and mannequins." Jon swallowed and shook his head. "There's a creature called the NotThem. It...it eats someone, and it takes their life. Doesn't look or, or sound like them, but...they make you believe it's them. All your memories, all everything is them now instead of the original. Except...except one person, who remembers. And analog things, like," he held up the photograph, "like polaroids, or...or cassette tapes."