Philippe Achille, Marquis de Feron is an antagonist turned anti-hero of BBC's The Musketeers.
He spends the whole series 3 attempting to gain money and turning against King Louis. However, after learning how much he means to his brother Louie, Marquis de Feron turns against Grimaud. Unfortunately he is killed by Lucien Grimaud when he attempts to stop him from killing his half-brother.