Always interested in fantasy and Genre Cinema, he immediately began experimenting with animation techniques. In 2010 he made his first stop-motion short film, The Melancholy Pains of Grom, which was presented in the official selection at Sitges - International Fantastic Film Festival of Catalonia. In 2011 he participated in the collective film P.O.E. - Poetry of Eerie with his adaptation of E.A. Poe's The Black Cat in claymation.

He made his feature film debut in 2015 with Fantasticherie di un passeggiatore solitario[3], shot between 2010 and 2011 but released in Italian theaters since November 26, 2015 and on home video with CG Entertainment in 2017 in a dvd and booklet edition. The film is a very rare Italian example of mixed technique[5]: live action and stop-motion. With this film, Gaudio made his mark on the International Festival circuit, receiving, among others, the Grand Prix at the Samain du cinéma fantastique in Nice, the Audience Award at CineFantasy - Festival internacional de cinema fantastique in São Paulo, Brazil, and the Mario Bava Award for Best First Feature at the 2015 Fantafestival. In 2015 he was selected in competition at the Future Film Festival, after many years of absence of Italian films.

From 2015 to 2019, he is in charge of the stop motion animation department at Rainbow CGI, where Looney Foodz! was born, a claymation short film that won the Silver Ribbon for Best Animated Film in 2018. In 2019, Gaudio is also teaching stop motion animation at the Master's degree program in Languages and Techniques for Animation Cinema at the Academy of Fine Arts in Rome. He is currently a lecturer in directing, screenwriting and stop-motion animation at Rainbow Academy in Rome.

Editor-in-chief of the online film magazine InGenereCinema, which specializes in the culture of horror, the fantastic, the bizarre and the extraordinary, he is involved as director in the production of Il Giro dell'Horror, a docuseries created by Luca Ruocco on Italian horror, currently in production, which boasts guests such as Domiziano Cristopharo, Fabio Frizzi and Lamberto Bava.

In 2022, to celebrate the tenth anniversary of the release of P.O.E. - Poetry of Eerie, Gaudio re-edits, re-edits and restores his adaptation The Black Cat, producing and distributing The Black reCat finding its way into the line-ups of the world's major fantasy film festivals (to name a few: Bifff - Brussels International Fantastic Film Festival, Fantastic Zagreb, Macabro: Mexico City international horror film festival, H.P. Lovecraft film festival & CthulhuCon).

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