Piet De Rijcker, who signs with Pjotr, studied at the Saint-Luc in Brussels. He is best known for his work in the animation field, but he has also done comics. He began doing small strips in TV-Express together with his college friends Kamagurka and Erik Meynen. After winning the first prize at the Brussels Filmfestival with the short movie 'The Old Storyteller', Pjotr settled as an independent illustrator, comic artist and animator. He appeared in magazines like Flair and Robbedoes.
Together with Erik Meynen, he created such comic series as 'Tommy Gun & Marion Lee' and 'De Terugkeer van Roxanne'. As an animator, he cooperated as a storyboard artist on the 'Quick & Flupke' animations. In 1988, he founded the Stupid Studio, that focused on advertising work. From the 1990s, he works mainly in the animation field.