Sum 41 is a Canadian rock band formed in 1996, known for their energetic blend of punk rock and pop-punk. The band gained mainstream success with their debut album 'All Killer No Filler,' featuring the hit single 'Fat Lip,' which topped charts and became an anthem for a generation. Sum 41's music often combines catchy melodies with humorous and relatable lyrics. Over the years, they have released several successful albums and received numerous awards, solidifying their place in the rock music scene. With their dynamic performances and evolving sound, Sum 41 continues to be a beloved band among fans.