He’s spoken favorably of the military junta that ruled in the 80s, and has called for tougher policing tactics and limitations on civil liberties to fight crime.
This said, I don’t think the claims that he is “fascist” or “far right” are accurate. But he is certainly populist, with the downsides that come with that approach. He’s closer to Victor Orban (Hungary) or Matteo Salvini (Italy) than Trump in his populism. The Brazilian left and the political establishment in general have failed, and his rise is a result of that failure.
From this article, he sounds rather like Duterte of the Philippines.