Jean-Charles, marquis de Castelbajac (also known as JC/DC, born 28 November 1949 in Casablanca, Morocco) is a 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 McLaren, Robert Mapplethorpe, M.I.A, Cassette Playa, Curry & Coco, The Coconut Twins and Lady Gaga.