He's a Huge Harry Potter Fan Ariana and Pete's first Instagram photo together isn't the only time the comedian has shown off his love for Harry Potter. On top of his countless Harry Potter tattoos, Pete has also documented his love for the movies by live-tweeting his Harry Potter marathon. "When I was seven or eight, the first movie came out on my birthday, and I read all the books," he told Rolling Stone in April 2016 about his obsession.