|[List of appearances]|
Simon Trent was a television actor who played the hero Gray Ghost on a Saturday morning show which Bruce Wayne used to watch as a boy. Years later, the Trent assisted Batman in stopping a man calling himself "The Mad Bomber", a villain from The Gray Ghost television series. After Batman and the Gray Ghost capture the Mad Bomber who turned out to be a toy and memorabilia collector of The Gray Ghost, Trent was hailed as a real-life hero.
- In LEGO Batman 3: Beyond Gotham, the Gray Ghost was voiced by Adam West, who also voiced the Gray Ghost in the 1992 Batman animated television series.