Sylvain Vallée graduated from the Saint-Luc School of Brussels. He started as a freelance illustrator in advertising and cartoonist. He published his first comic book with Glénat at...lihat lebih banyakSylvain Vallée graduated from the Saint-Luc School of Brussels. He started as a freelance illustrator in advertising and cartoonist. He published his first comic book with Glénat at age 25 and has worked on a dozen series.lihat lebih sedikit