He is renowned for his sometimes provocative cartoons featuring violent and sexual imagery on political topics.
[2] In 1968 two of his cartoons led to court cases, where he was, among others, accused of lèse-majesté for depicting queen Juliana of The Netherlands as a prostitute.
In the end he was only sentenced for a cartoon criticizing police brutality by comparing it with Nazism.
His work attacks religion, the monarchy, the far-right, the far-left, terrorism and war policies.
[3] He is the winner of the 2000 Stripschapprijs[4] and of the 2013 Grand Prix de la ville d'Angoulême.