Patrick Lemordan was born in Côtes d'Armor. He studied Plastic Arts in Rennes for who years, and then settled in Paris. He further developed his artistic skills by making short comic stories and illustrations, including contributions to roleplaying magazines like Casus Beli and Chroniques d'Autres Mondes. He proposed a fantasy comic story of 46 pages to Éditions Zenda in 1990, which got him in touch with Philippe Caza. Lemordan and Caza then started the fantasy series 'Amiante', that was published by Soleil Productions between 1993 and 1997.
Lemordan has since worked as an animation and background artist with studios like Téléimages, Forge Animation, Teamto and Ouido Productions. He also makes illustrations and sketches for landscape designers.