Let's make this birthday one to remember.

45 years old (Born on March 21, 1980)

Happy Birthday, Deryck Whibley! Another year older and still rocking harder than ever—clearly you've discovered the secret to eternal punk-rock youth. From belting out anthems like "Fat Lip" that defined our rebellious teenage years, to continuing your epic stage dives (hopefully with softer landings these days), you're proof that age is just a number.

Here's hoping this birthday brings you as much joy as all those unforgettable Sum 41 concerts have brought us fans over the years. Keep shredding guitars, defying gravity onstage—and remember: growing up might be inevitable but maturing remains optional!

Rock on forever, legend!