Robbert Damen has worked as a professional illustrator and designer since 1998. He has drawn comics since 1995, contributing to independent comic magazines like Impuls, Stripnieuws and De Stripper. His comic series 'Snoek en Trawanten' was first published in Striparazzi in 1998, and then in De Stripper, Stripnieuws and Myx. He has occasionally written scripts for the Dutch Donald Duck weekly since 1996, and has also illustrated a couple of stories himself.
Damen has also been present in girls' magazine Tina, first with 'Ten Cate & Co' between 2002 and 2006 and then as the scriptwriter of 'SfinX' (art by René Bergmans) from 2007 until 2012. In 2003 he produced an album about 'Kapitein Haak' for Big Horeca. Together with Sander de Fouw, he was responsible for the new story concept and designs of Taptoe magazine from 2011. Since September 2016, the duo is also responsible for the comic strips published in Taptoe's follow-up, Wild van Freek, an educational magazine about nature and wildlife based around popular biologist Freek Vonk.
Damen published the first installment of his fantasy detective series 'Guardian' in Eppo magazine in January 2012. In 2013, Damen was the illustrator and comic artist of a book series about the history of the Netherlands called 'Van Toen Tot Nu' by Studio Stampij and Big Balloon.