Génial Olivier (Brilliant Olivier) is a humorous Belgian comic series about a child prodigy. Written and drawn by , it first appeared in Spirou magazine in 1963 and lasted a quarter of a century, ending with Devos' retirement in 1988. The series consisted mainly of one-page gags and short stories which covered several pages. There were few full-length adventures. The strip was also notable for the puns and jokes in the text.