Per Sanderhage started his comic career working as an editorial assistant for the publisher Interpresse in the early seventies. Since 1980, he worked as an editor, translator, writer and artist for the Copenhagen Press Agency. He did the daily comic strip of 'Petzi' ('Rasmus Klump'), created by Carla and Vilhelm Hansen. He collaborated on the historical comic series 'The Scyldings' ('Skjoldungerne') with Henning Kure and Orla Klausen. In 1983, he did one episode of the daily newspaper strip 'Felix', created by Jan Lööf. In 1987, he created the charming, humorous and clever mouse story 'Little Town of Kopenhagen' ('Kjøwenhavnstrup') for the newspaper B.T., as well as the detective 'Colt', together with Peter G. Heydenreich. Besides his activities as a comic artist and writer, Per Sanderhage has written short stories and several novels. In 1982, he was awarded the Science Fiction Circle's Illustrator Prize.