Stephan PrickenAs the father of a son, Stephan Pricken also knows a lot about being really angry. After forays into mechanical engineering and architecture, he first studied elementary school teaching with a focus on art and ultimately graphic design in Münster, whre he now lives and works as a freelance illustrator. Developing the little troll and his world based on the existing stuffed toy was an unusual but exciting task for him, which he solved wonderfully: you just have to love his Grumbletroll! Read More Read Less