James Gunn is clearing the record once and for all that Superman used Artificial Intelligence to bring Krypto to life. Ever since the film's release, audiences have been pointing out the Super Dog's movements in the film, with many calling it out for AI usage, a rumor that Gunn is now responding to.Taking to X, the director shared a video of his dog Ozu, who Krypto was designed after, doing his first test footage with Gunn's cat. Sharing the video, Gunn wrote,First test footage I got of Ozu as Krypto, playing with my cat. Yes, this is CG (not the same thing as AI, so stop calling it that!)"Krypto quickly became one of the fan-favorite aspects of the film as fans fell in love with the chaotic dog who saved Superman so many times in the film. It's a character fans have waited to see on screen for a long time, and Gunn finally made it possible with Superman.More details on SupermanJames Gunn's Superman marked a new era for DC, as it started the director's reign at the studio and a freshly painted DCU led by Gunn and Peter Safran. As the first film in the Gods & Monsters chapter, the film has been an anticipated one, with fans eagerly anticipating David Corenswet's Superman. Apart from him, the film also starred some more iconic characters, such as Hawkgirl, Guy Gardner, Ultraman, Mister Terrific and Metamorpho.This time, Superman isn’t battling aliens or ancient gods, he’s facing humanity’s mistrust. After intervening in an international crisis engineered by the cunning billionaire Lex Luthor, Clark finds himself vilified by the very world he swore to protect. With Lois and his superhero allies at his side, he must restore faith in the idea of Superman while confronting the darker consequences of power and morality.Gunn's Superman differed from previous iterations of the caped hero, as he gave him more humanity, kindness, color and charm, making him more similar to his comics counterpart. As a result, the film was received well by audiences, who praised the film's hopeful tone, and a Superman who wasn't a brooding hero, but someone who actually cares. Also in praise was Rachel Nrosnahan as Lois Lane, as Gunn gave her role more importance in the film, and made her more than just Superman's love interest. The same goes for Nicholas Hoult as Lex Luthor, who made sure to give fans the perfect antagonist.The film went on to earn $616.6 million at the box office, becoming one of the highest grossing films of the year. With a sequel titled Man of Tomorrow set for July 9, 2027, Gunn’s Superman is here to remind audiences why truth, justice, and hope never go out of style.