Sum 41 is a rock band from Ajax, Ontario. The current members are Deryck Whibley (lead vocals, rhythm guitar), Cone McCaslin (bass guitar, backing vocals), Steve Jocz (drums, backing vocals), and Thomas Thacker (lead guitar, backing vocals, keyboard)
In 1999, the band signed a record deal with Island Records. Since then, the band has released four studio albums, all of which have been certified platinum in Canada. Their most successful album to date is All Killer No Filler, which is certified 3x platinum in Canada and platinum in the United States. The album was fueled by the single "Fat Lip", which reached the top position on the Billboard Modern Rock chart, making it the band's most successful single.
The band often performs more than 300 times each year and holds long global tours, most of which last more than a year. They have been nominated for seven Juno Awards and have won twice (Group of the Year in 2002 and Rock Album of the Year for Chuck in 2005). They also have been nominated for three different Canadian Independent Music Awards: In 2004, they won a Woodie Award for "The Good Woodie (Greatest Social Impact)". They have also been nominated for a Kerrang! Award in 2003 for "Best Live Act". Source: http://en.wikipedia.org/wiki/Sum_41