You know those three guys in Green Day? Billie Joe, Mike Dirnt, and Tré Cool. They’ve been screaming about American idiots and teenage angst for so long that we all just assume they’re frozen in some eternal punk-rock amber. But guess what? Time has, in fact, been marching on for the Dookie trio.

Billie Joe Armstrong: The Eternal Teenager

Billie Joe, the iconic frontman with the perpetual smirk, was born on February 17, 1972. That makes him a very loud 52 years old. He’s officially old enough to have kids who are now adults themselves, yet he still plays a guitar that looks tiny in his hands.

Fun fact: He wrote “Basket Case” about his own anxiety when he was just 21. Now, his back probably hurts if he sleeps funny. Talk about a longview of mortality! He’s the same age as your dad, but your dad probably can’t jump off a drum riser without needing a nap afterward.

Mike Dirnt: The Bass-Playing Chemist

Mike Dirnt, the bassist with the growl, is actually the oldest member of the band. He was born on May 4, 1972, making him a whole three months older than Billie Joe. Yes, he has been the designated “old man” of Green Day since day one, though he hides it well behind that mop of hair.

He’s also a former donut shop employee, which explains his relentless energy at 52. The man has a degree in “Rock and Roll Chemistry” from the school of hard knocks, and he’s still the glue holding the chaos together. At this age, he’s probably more worried about his 401(k) than his next punk anthem.

Green Day - Tour Dates, Song Releases, and MoreGreen Day - Tour Dates, Song Releases, and More

Tré Cool: The Gray-haired Man-Child

And then there’s Tré Cool, the human tornado behind the drum kit. Born Frank Edwin Wright III on December 9, 1972, he is currently 51 and the baby of the group. Don’t let the muppet-like behavior fool you; this man is a decade older than most of the parents in the audience.

He’s the one who still dives into the crowd and sets his drums on fire, which is a terrible idea for anyone over 30. Pro tip: Tré’s “still a kid” act works because he’s been practicing for 40 years. The secret to eternal youth? Being too hyper to feel your own knees creaking.

Lead Singer Of Green DayLead Singer Of Green Day

The Shocking Math of Dookie

Let’s put this into horrifying perspective. Dookie—that perfect, angsty masterpiece—came out in 1994. That was 30 years ago. If you were a teenager when you first heard it, you are now closer to retirement than you are to the seventh grade.

These three guys have been playing punk rock for so long that American Idiot—which came out in 2004—is now old enough to vote. Their music has literally spanned generations, from flannel to skinny jeans to whatever kids are wearing now (crocs with socks?).

Green Day's Billie Joe Armstrong Says Transphobic People Are 'Close-Minded'Green Day's Billie Joe Armstrong Says Transphobic People Are 'Close-Minded'

So, Are They Old?

Objectively, yes. They are all in their early 50s, which is senior citizen territory in dog years. But watch any recent concert footage. They still run around like caffeinated squirrels, smashing guitars and swearing at the crowd. It’s almost unnatural.

The real answer is that they are ageless punk ghouls. They’ve found the Fountain of Youth, and it’s filled with energy drinks, loud amplifiers, and a complete refusal to grow up. So next time you see them on stage, remember: you’re watching three dudes in their 50s who are having way more fun than you are.

And honestly? That’s the most punk rock thing of all.