Deryck Whibley is a Canadian musician, best known as the lead vocalist and guitarist of the rock band Sum 41. Born on March 21, 1980, in Ajax, Ontario, he formed the band in 1996, which gained fame in the early 2000s with hits like "Fat Lip" and "In Too Deep." In addition to his work with Sum 41, Whibley has also produced music for other artists and collaborated with various musicians. He has faced personal challenges, including health issues, but continues to be an influential figure in the rock music scene.