Messi is a French Border Collie dog actor, best known for his role as Snoop in the 2023 film Anatomy of a Fall, for which he won multiple awards, including the Palm Dog Award at the 2023 Cannes Film Festival. In 2023, Messi made his film debut playing the role of Snoop in Justine Triet's legal drama Anatomy of a Fall, for which he won the Palm Dog Award at the 2023 Cannes Film Festival, with the jury stating that Messi's performance "covers the gambit... one of the best we've ever seen." Triet told The Hollywood Reporter that Messi's character "was not just another character or some animal running around [but] as much a part of the film's ensemble as any of the other actors." Following his performance in Anatomy of a Fall, Messi became an internet sensation and the subject of several Internet memes.