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Aw fuck, me and my big mouth! Big mouth... That's the show.. that's the show! Hey you, and you at home on the elliptical watching this. I see you! Don't you say a fucking word! Hahahaha!
~ Nick in S1E8 "The Head Push

Nicholas "Nick" Arsenio Birch is one of main protagonists and main stars of the Netflix animated series Big Mouth. A prepubescent boy living in the suburbs of New York City. He is the youngest among his friends, and has been the one to fall for multiple girls in the series so far.

He is voiced by Nick Kroll, who also voiced Douche in Sausage Party, Tippy Tinkletrousers in Captain Underpants and Sergei in The Secret Life of Pets 2.


Before the Series

Nick was shown as a newborn to have a kind, loving and caring childhood that was offered to him by his parents, mainly because of their consistent overemotional and overly protective and TMI way of handling him during his childhood.

In one episode he was seen in his diaper telling jokes into a microphone that his parents got him as a gift, as they looked on in happiness, with both of them smiling and holding hands with each other.

His childhood was never mentioned or shown to be tumultuous or unhinged, but rather awkward and sexually informative, because of his parents albeit capable but TMI way of delivering information to him that possibly contributed him being uncomfortable around sexual talk.

During the Show

Nick Birch first appears as a 12-year-old boy having a sleepover with his best friend, Andrew. Nick excuses himself and Andrew when his parents begin to smother him.

While playing basketball, Andrew says that he is not going to the dance that is in the next week. Nick reminds him about their plan to go in a group with Jessi and Jay.

Season 1

In school, Nick was with his friend Andrew when people ask permission on what to do, or where to go. He was a good kid in the show. When Nick was with his family and hang out for a sleepover in Episode 4, after awhile he hangs out with our friends for a family night.

Season 2

In Am I Normal, Nick plays Basketball and he was scored and Jessi came back from school and she was cheered for the game when Andrew came in. And escapes from the Department of Puberty from the Shame Wizard and saved Jessi from the Depression Kitty, at the end of the Season, Connie has became Nick's Hormone Monster.

Season 3

In the Valentine's Day special, Nick was invited on our Valentine's Day Party at Lola's house, but Andrew was completely lost his mind. And in Episode 10 he was in a musical theater and Coach Steve came back and he's unfired and Mr. Lizer got defeated. When Nick left Andrew behind, he meets new friends in our camp.



  • Andrew Glouberman - Nick's best friend. It's shown they do most things together. Andrew often stays at Nick's house and is considered part of the family. Although he got jealous of him one time, he considered Andrew to be kind of embarrassing when he brought a "Jazz hat" to the city with him while looking for his old camp crush, Roland.
  • Jessi Glaser - Nick's other best friend Jessi, often hangs out with Nick, Andrew and Jay. They were in a forced relationship at one point, but decided it was better for them to be friends, since then they didn't hate each other. Jessi turned to Nick in a time of need by asking to go to his house when her parents argued at her house.
  • Jay Bilzerian - Nick's other best friend Jay. Jay has cameras hidden in Nick's house to watch how perfect his life is. Nick finds this disturbing but Jay does nothing about telling him where the cameras are or uninstalling them.
  • Ghost of Duke Ellington - Duke Ellington, the famous African-american music composer of the 20's and 30's died in Nick's home. His soul remained as a ghost and now eternally lives in the house. Nick often goes to Ellington when he needs advice about something.
  • Gina Alvarez - Gina Alvarez is the new character appeared on Season 2 when she was sassy when she went in for a sleepover when Devin was manipulating with her.


Promo & Others


            Red-netflix-logo-text Heroes

Carmen Sandiego
Carmen Sandiego | Player

Final Space
Gary Goodspeed | Avocato | Quinn Airgone | Little Cato | Mooncake | Tribore | Ash Graven | Fox

Next Gen
Mai Su | 7723 Molly Su | Dr. Tanner Rice | Momo | Ani | Greenwood

Big Mouth
Andrew Glouberman | Nick Birch | Maurice the Hormone Monster | Jessi Glaser | Jay Bilzerian | Ghost of Duke Ellington | Missy | Gina Alvarez

BoJack Horseman
BoJack Horseman | Todd Chávez | Mr. Peanutbutter | Diane Nguyen | Princess Carolyn

Kipo and the Age of the Wonderbeasts
Kipo Oak| Wolf| Mandu| Benson| Dave| Lio Oak|

The Last Kids on Earth
Jack Sullivan| Quint Baker| Dirk Savage| June Del Toro

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