When Is the Bands Birthdays for simple plan?

Pierre Bouvier's (lead vocals, Guitars) birthday is May 9, 1979 Sebastien Lefebvre's (guitars, vocals) birthday is June 5, 1981 David Desrosiers' (bass, vocals) birthday is August 29, 1980 Chuck Comeau's (drums) birthday is September 17, 1979 and Jean Francois Stinco aka Jeff Stinco's (lead guitarist) birthday is August 22, 1978 and their web guy, merch guy best friend Patrick Langlois' birthday is September 9, 1979