HBO's The Penguin is one of the most exciting shows on television right now, claiming a mass of viewers eager to find out what happens next as it ups the stakes with every 60-minute-long episode. As the show burrows in and lifts the lid on some of DC's most complex characters, The Penguin's Julian Rush has specifically attracted the attention of theorists who believe that the therapist might not actually be real after all, harking back to Fight Club's most surprising and iconic twist.