Translated from the illustrator's website and GROG's page (http://www.legrog.org/bio.jsp?id=1884)
El Théo was born on Aug, 23 1979, and has been drawing since he was a child.
He discovered the boardgames in the early 90's with HeroQuest, and then switched to more complex war games.
He discovered role playing games when a friend of his asked him to draw is character in Stormbringer. From there, he started to draw illustrations for various games, including the french edition of Wushu.
More recently he has contributed to the french 6th edition of the Call of Cthulhu.