Jason McCaslin (Cone)
Born in North York, Toronto on September 3, 1980.
Bass player and backup vocals in Sum 41.
Married Shannon Boehlke on September 5, 2008. Deryck Whibley and Todd Morse from H2O performed "One" and "Pieces."
Dave Baksh (Brownsound)
Born in Ajax, Ontario on July 26 1980.
Lead guitar and backup vocals.
Unfortunately he is known at ex-lead guitarist of Sum 41 because he left the band for his own heavy metal music.
He now plays as backup vocals and guitar for Organ Thieves.
Deryck Whilbey (Bizzy D)
Born in Scarborough, Ontario Canada on March 21, 1980.
The lead singer, guitarist and music producer in the band.
Married Avril Lavigne in 2006. In 2009 it was declared that Lavigne and Whibley separated.