Eagle-eyed fans spotted some suspicious items in Julian Rush's office during The Penguin episode 4, with what looks to be a syringe glove and a mask on show. That led to speculation that the psychiatrist is actually Jonathan Crane, AKA The Scarecrow – a Batman villain who hasn't been seen in a live-action movie since the Christopher Nolan films.

In what might come as a major letdown for fans of the TV show, The Penguin showrunner, Lauren LeFranc, recently cleared the air on the true identity of a particular character, Theo Rossi’s Dr. Julian Rush, and a fan theory that he might actually be one of Batman’s most notorious villains, Scarecrow.

The Penguin showrunner Lauren LeFranc has revealed whether there's any truth to theories that Theo Rossi's Dr. Julian Rush is secretly Scarecrow. Matt Reeves, meanwhile, shares another season 2

The Penguin showrunner Lauren LeFranc has disproved a fan theory regarding the television series and a popular Batman villain. The Penguin premiered on HBO and Max in September 2024. Set within Matt Reeves’ Batman Epic Crime Saga,

The Penguin showrunner Lauren LeFranc had a refreshingly blunt response when asked about the biggest Batman fan theory surrounding the series.