Luc Deschemaeker, aka O-Sekoer, a retired high school teacher, is a Belgian cartoonist and humorous photographer.
Winner of more than 300 international cartooning awards since 1978, he started at Knokke-Heist as a cartoonist. He has been selected and an award winner in more than a thousand international cartoon competitions around the world.
He also received the highest distinction at the World Press Cartoon contest in Caldas da Rainha, Portugal, in 2018. Several exhibitions of his cartoons have been held in Brazil, Slovakia, Poland and Belgium.