Sum 41 is a Canadian rock band from Ajax, Ontario. The current members are Deryck Whibley (lead vocals, guitar, keyboards), Cone McCaslin (bass guitar, backing vocals), and Steve Jocz (drums, percussion, backing vocals). The band's "classic" line-up is the same except with Dave Baksh on lead guitar and backing vocals.

Since signing an international record deal with Island Records in 1999, the band has released five studio albums, one live album (under two different titles), two live DVDs, more than fifteen singles, and sold over 10 million albums worldwide. It is reported that the band performed more than 300 times in a single year which is why they have become famous for their long and global tours, often lasting for more than a year. http://www7.islandrecords.com/sum41/site/tour_pastshows.las

Sum 41 is a punk rock band from Ajax, Ontario, Canada . The band was formed from members of several local high school bands, 41 days into the summer of 1996. The band consists of: Deryck Whibley a.k.a. Bizzy D (lead vocals, guitar) Jason McCaslin a.k.a. Cone (bass, backing vocals) Steve Jocz a.k.a. Steve-O 32 (drums, backing vocals). Tom Thacker a.k.a. Brown Tom (Touring Member) (guitar, backing vocals, keyboard). Sum 41 reached mainstream success with the release of All Killer No Filler, which