Mad Foxes, known in Switzerland as The Mad Foxes – Feuer auf Räder, and in Spain as Los Violadores, is a 1981 Swiss–Spanish vigilante action film directed and co-written by Paul Grau, starring José Gras, Laura Premica and Eulalia "Laly" Espinet. It chronicles the rivalry between a Corvette-driving playboy and a neo-Nazi biker gang, which escalates from a futile traffic altercation to an all-out vendetta.