1. Pierre Bouvier: Pierre was a member of a band called Reset, where he served as the lead singer. Reset was a local punk rock band based in Montreal, Canada, and they released an album titled "No Worries" in 1997.
2. David Desrosiers: Prior to Simple Plan, David was a member of a band called The Used. The Used was another local Montreal band that played punk and alternative rock music.
3. Jeff Stinco: Jeff was also involved in the Montreal music scene, playing guitar in a band called Second Opinion.
4. Sebastien Lefebvre: Sebastien was a member of a band called Reset alongside Pierre Bouvier.
5. Chuck Comeau: Chuck had experience as a drummer and had played in various local bands before joining Simple Plan.
Eventually, Pierre Bouvier and Chuck Comeau decided to form a new band, bringing together the other members who were involved in different projects. They officially formed Simple Plan in 1999, and the band's self-titled debut album was released in 2002.