Riley was chronologically introduced to Ellie in The Last of Us: American Dreams, a comic book written by creative director Neil Druckmann and artist Faith Erin Hicks.
Kronologis Riley diperkenalkan ke Ellie di The Last of Us: American Dreams, sebuah buku komik yang ditulis oleh direktur kreatif Neil Druckmann dan artis Iman Erin Hicks.