Hervé Lalin, known as Hervé Ryssen, is a racist, nationalist and denialist activist. He is since September 2020 as a result of several convictions for his declarations.

https://www.marianne.net/societe/police-et-justice/au-proces-dherve-ryssen-militant-nationaliste-cest-pas-antisemite-cest-juste-une-constatation