Sum 41

Style: Punk Rock

Origin: Canada ( Ajax, Ontario )

Years Active: 1996 - active

Previous Name: Kaspir ( 1996 )

Current line-up:

Deryck Whibley - guitar / vocal
Dave Baksh - guitar ( Brown Brigade )

Tom Thacker - guitar ( Gob )

Jason McCaslin - bass ( The Operation M.D. )

Frank Zummo - drums

Past members:

Steve Jocz - drums

Main discography:

[ 2001 ] All Killer, No Filler

[ 2002 ] Does This Look Infected?

[ 2004 ] Chuck

[ 2007 ] Underclass Hero

[ 2011 ] Screaming Bloody Murder