Jean-Charles, marquis de Castelbajac (born 28 November 1949), also known as JC/DC, is a French fashion designer. He has enjoyed international success with some of his creations, including a coat of teddy bears worn by pop star Madonna and by supermodel Helena Christensen in the film Prêt-à-Porter and a sequin jacket for Beyonce, and a Donald Duck costume for Rihanna. During his career he has befriended and worked with artists such as Andy Warhol, Keith Haring, Jean Michel Basquiat, Malcolm McLar ...