Marc-Gilbert Guillaumin, professionally known as Marc'O, is a French filmmaker, playwright, and actor renowned for his avant-garde contributions to theater and cinema. Born in Clermont-Ferrand, he joined the French Resistance at 15 and was injured in Auvergne. By 20, he immersed himself in Paris's artistic circles, hosting poetry readings alongside Boris Vian at Le Tabou nightclub, a hub for the Lettrist movement. Marc'O's notable works include the film Les Idoles