Guy Bollen was an artist affiliated with the art studios of the publishing house Dupuis in the 1960s and 1970s. He had completed his studies in 1959 and was employed by Dupuis in 1961. He was responsible for several editorial illustrations in the magazine Spirou from the mid-1960s, and he also provided the art for a great many game pages in cooperation with Cary Page (Charles Jadoul), such as 'Jeux de Cary Page' (1966-1967) and 'Jeux de Patate et Tatou' (1967-1975). In 1976 he made 'Schtroumpfez avec Nous', a game page starring Peyo's Smurfs, on his own. Other game pages by Bollen include 'Trioker' in 1970 and the first episodes of 'Le coin des cerveaux' in 1971.
The two clowns 'Patate et Tatou' also appeared in a comic story written by Paul Deliège and published in one of Spirou's mini-books in 1972. In the early 1970s, Bollen also assisted Berck on his production of 'Mischa' stories for the German magazine Primo by Rolf Kauka. He additionally worked with Roba on text books and game pages for Belle des Champs magazine, and with Peyo on coloring books. Being able to impersonate other people's drawing styles, he was nicknamed the Thierry Le Luron of Belgian Comics by Franquin, Peyo and Roba.