Picture courtesy Ross Butler's Instagram account

13 Reasons Why actor Ross Butler has joined the cast of DC's Shazam!. The film follows a boy named Billy Batson, played by Asher Angel, who can transform into an adult superhero, portrayed by Zachary Levi, by uttering the magic word Shazam!. The name Shazam is an acronym of the ancient gods and historical figures Solomon, Hercules, Atlas, Zeus, Achilles, and Mercury.