Jean-Paul "Picha" Walravens (Brussels, Belgium, 2 July 1942) is a Belgian cartoonist, comics artist, animator and film director. He is most famous for his adult animated films, such as Tarzoon: Shame of the Jungle.

Jean-Paul Walravens, quickly fascinated by drawing, studied at the Institute of Fine Arts Saint-Luc. In 1960, he contributed his work as a caricaturist and cartoonist for many newspapers and magazines around the world including National Lampoon and The New York Times. During this period, he adopted the pseudonym Picha. A passion for drawing led Picha to the world of comics. He is the author of several books, as Picha at Club Med (1971) or Persona non grata (1975).