Before embarking on a career as a comic book artist, Silvio CADELO worked as an industrial designer, advertising professional, and an actor. Inspired by Moebius, with whom he later collaborated, Cadelo decided to move into comics in 1979. He drew his first stories for magazines like Linus, Alter and Frigidaire. He made his debut in France with 'Skeol' in 1981, followed by the portfolio 'Strappi'.
He teamed up with the writer Alexandro Jodorowsky and created 'Le Dieu Jaloux' and 'L'Ange Carnivore', two stories later reprinted as 'La Saga d'Alendor'. He joined the magazine Ă€ Suivre in 1987, where he continued the adventures of 'Envie de Chien', created two years earlier in Frigidaire. He also produced two erotic albums, 'Perverse Alice' and 'La Fleur Amoureuse', first published in L'Ă‰cho des Savanes. In 1993, Cadelo did an exposition in Galerie Lambiek, and illustrated Jean-Pierre Andrevon's 'L'Homme aux Dinosaures'. A year later, he did 'Les Plaisirs de Saturnin' at GlĂ©nat.
In 1995, he illustrated 'Les Fleurs SecrĂ¨tes', with an erotic text by Pierre LouĂżs, published by Vertige Graphic. In that same year, he began a collaboration with the Japanese publisher Kodansha. Together with the writer Bettina Sand, he conceived the trilogy 'Les Enfants de LutĂ¨ce', and later 'Sulis et Demi-Lune'.