Have you ever wondered how old the characters in Big Mouth actually are? It seems pretty obvious at first, right? But once you dig into it, the answers are more interesting than expected.
Nick Birch and his best friend Andrew Glouberman both start the series at thirteen years old. They're right in the thick of middle school, navigating everything from awkward crushes to early puberty. That age feels so painfully relatable, doesn't it?
The Core Gang
The whole main crew — Jessi Glaser, Jay Bilzerian, and Missy Foreman-Greenwald — are all thirteen too. Think about it: one sweet year separates them from being able to drive, vote, or even cook a decent meal. They're a bunch of pre-teens pretending they've got life figured out.
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By the later seasons of the show, some characters do age up a bit. Nick and Andrew inch their way toward fourteen and fifteen as time passes. It's subtle but it mirrors how quickly middle school years blur together in real life.
What About the Hormone Monsters?
Now here's where things get really fun. Maury the Hormone Monster is definitely not thirteen. He is described as ancient — alive since before humans even had words. Imagine being coached through puberty by someone who watched the pyramids get built.
Big Mouth Cast at Seth Darcy-irvine blog
Maury and his rival Maurice are essentially ageless entities. They've been around for thousands of years, which is a wild contrast to the thirteen-year-olds they're helping out. It's like asking a dinosaur for dating advice — hilariously mismatched.
Then there's the Bad Old Lady and the Depression character, who feel even more timeless. These forces of nature have no birth certificate and certainly no need for one. Hormone Monsters, Anxiety, and Love are basically as old as human experience itself.
Big mouth characters zodiac signs 60 photos - Youhoroscope.com
Why the Ages Matter
The whole magic of Big Mouth is how perfectly it captures what it feels like to be thirteen. Everything is huge, confusing, and embarrassing — even the tiny stuff. A single zit can feel like the end of the world.
Putting all the main kids at that same vulnerable age isn't accidental either. It gives everyone a shared experience to bounce off each other. Imagine if Andrew was twenty and Nick was eight — total chaos, zero chemistry.
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When you pair thirteen-year-olds with thousands-of-years-old monsters, you get pure comedy gold. There is something satisfying about watching ancient beings give hilariously bad advice to kids in middle school. The contrast is what makes the show work.
Fun Comparisons to Put It in Perspective
The kids in the show are about the age when half-sentences and cringy dance moves rule your life. Meanwhile, Maury has watched civilizations rise and fall — and he still picks his nose. Not exactly a fair reputation comparison.
So the next time someone asks how old Big Mouth characters are, you've got a surprisingly solid answer. The kids are thirteen, and the monsters are eternal. That gap right there is where all the comedy lives.