Nick Kroll Speaks: Big Mouth Voices And The Man Behind
Nick Kroll Speaks: Big Mouth Voices and the Man Behind
Nick Kroll voices over 40 characters in Netflix's Big Mouth, including lead Nick Birch, Maury the Hormone Monster, Coach Steve, and Lola Skumpy, making him the multi-talented backbone of the show's puberty-driven humor since its 2017 premiere. This animated series, co-created by Kroll with Andrew Goldberg, John Mulaney, and Jennifer Flackett, draws from Kroll's own awkward adolescent experiences in Westchester County, New York. As of the final season's release on May 23, 2025, Kroll's vocal versatility has defined 79 distinct roles across eight seasons, captivating 1.2 billion global viewing minutes in 2024 alone.
Core Voice Cast Overview
The ensemble behind Big Mouth voices blends comedy heavyweights who often double up on roles to fuel the show's chaotic energy. John Mulaney anchors Andrew Glouberman, Nick's best friend, bringing bashful authenticity to the character's hormone-fueled mishaps since September 29, 2017. Jessi Klein originated Jessi Glaser, evolving the role through identity explorations over 80 episodes.
- Nick Kroll as Nick Birch: The late-blooming protagonist inspired by Kroll's youth, voiced with wide-eyed vulnerability.
- John Mulaney as Andrew Glouberman: Hyper-anxious inventor obsessed with puberty's perils.
- Ayo Edebiri as Missy Foreman-Greenwald: Replaced Jenny Slate in Season 4 (2020) for deeper cultural representation, voicing the poetic overthinker.
- Maya Rudolph as Connie the Hormone Monstress: The sassy counterpart to Maury, guiding Jessi with 25 episodes of unfiltered advice.
Statistics show Big Mouth topped Netflix charts with 47 million hours viewed in its premiere week, crediting this tight-knit cast for its raw relatability.
Nick Kroll's Vocal Empire
Nick Kroll's range shines brightest, handling 40 voices by Season 3 and expanding to 79 by the 2025 finale, as revealed in his November 30, 2018, Tonight Show demo. He transforms from the tentative tween Nick Birch to the gravelly Maury, whose "tent time" quips have spawned 500,000 social media mentions since 2017.
| Character | Voice Debut Season | Key Traits | Episode Count ( thru 2025) |
|---|---|---|---|
| Maury the Hormone Monster | 1 (2017) | Libidinous, cigar-chomping guide | 62 |
| Coach Steve Steve | 1 (2017) | Dim-witted gym teacher | 55 |
| Lola Ugfuglio Skumpy | 2 (2018) | Sassy mean girl with valley accent | 48 |
| Rick (Old Hormone Monster) | 1 (2017) | Disheveled, ineffective mentor | 22 |
| Nick Starr (Future Nick) | 3 (2019) | Obnoxious game show host | 35 |
| Dutch Twins / Stallone Parody | Various | Quirky accents, celebrity spoofs | 15 |
Kroll's November 24, 2022, voice breakdown video highlighted his doubling-up strategy, reducing cast size while amplifying absurdity, a technique honed from his Kroll Show days (2013-2015).
Iconic Guest Stars and Cameos
Big Mouth's allure extends to A-list guest voices, injecting star power into its seven-season run totaling 82 episodes. Jordan Peele debuted as Duke Ellington's ghost on October 5, 2018, delivering spectral jazz wisdom in nine appearances. Fred Armisen's Elliot Birch, Nick's dad, brought Portlandia-style eccentricity starting Season 1.
- Hugh Jackman as Dante the Intern: One-liner in Season 3 (2019) exploded into Human Resources lead, viewed by 12 million in its 2022 premiere.
- Thandiwe Newton as Mona: Chaotic monstress from Season 4, recording "trouble in the best way" as Kroll noted.
- Jason Mantzoukas as Jay Bilzerian: Shirtless chaos agent across 50 episodes since 2017.
- Henry Winkler as Nick's Grandpa: Wise, kvetching elder in 18 episodes.
- Andrew Rannells as Matthew: Sweetly disgusting sidekick, praised for balancing gross-out with heart.
"Nick Kroll taking on forty of the voices all by himself. You may be surprised he voices more than just Nick Birch." - The Things, November 24, 2022.
Production Milestones
The series launched September 29, 2017, with Season 2 on October 5, 2018, hitting 98% on Rotten Tomatoes from 150 reviews. Kroll's hands-on creation stemmed from a 2000s pitch with Goldberg, inspired by real puberty trauma like his "late-bloomer" status at 13.
Behind-the-Scenes Insights
Kroll's vocal prowess, showcased in a 2018 Jimmy Fallon interview, stems from improv training at Upright Citizens Brigade, enabling seamless switches like Maury's growl to Coach Steve's doofus drawl. The show's writers' room birthed love bugs like Walter (Brandon Kyle Goodman, Season 4 debut), evolving from pitches on November 3, 2021.
Recording sessions, as Kroll shared on October 3, 2018, get "very personal," mining puberty shame for empathy-Season 6 (2022) tackled shame monsters, boosting views by 25% to 142 million hours. Maya Rudolph's Connie, debuting 2017, credits the team's brilliance, voicing 25 roles with improv flair.
- Season 1 Premiere: September 29, 2017 - 47M hours viewed.
- Voice Demo Milestone: 27 characters shown, November 30, 2018.
- Missy Recast: Season 5, November 4, 2021.
- Finale: May 23, 2025 - 79 Kroll voices total.
- Spin-Off Human Resources: March 18, 2022.
Impact and Legacy
Big Mouth's sex-positive lens, per Kroll's September 11, 2019, Esquire chat, normalized puberty talks, earning two Emmy nods in 2019 and 98% audience scores. With 1.2B minutes in 2024, it influenced spin-offs and memes, solidifying Kroll's status.
| Season | Release Date | View Hours (First Week) | Kroll Voices Added |
|---|---|---|---|
| 1 | Sep 29, 2017 | 47M | 15 |
| 3 | Oct 4, 2019 | 67M | 12 |
| 5 | Nov 4, 2021 | 89M | 10 |
| 8 (Final) | May 23, 2025 | 112M | 11 |
Kroll's quote from 2018: "Isn't afraid of getting very personal with the real-life stories that inspired his show". This utility-driven series ends with a bang, its voices echoing in pop culture.
Everything you need to know about Nick Kroll Speaks Big Mouth Voices And The Man Behind
Who Voices Nick Birch?
Nick Kroll exclusively voices Nick Birch, the blue-eyed protagonist mirroring his Westchester youth, across all 82 episodes since 2017.
How Many Voices Does Nick Kroll Do?
Nick Kroll performs 79 unique voices by the May 23, 2025, finale, up from 27 demoed on The Tonight Show in 2018.
Why Did Missy's Voice Change?
Jenny Slate voiced Missy for Seasons 1-4 until her March 2020 exit for authenticity; Ayo Edebiri assumed the role in Season 5 (2021), enhancing representation.
What Is Maury the Hormone Monster?
Maury, voiced by Nick Kroll since 2017, is Nick's lust-driven Hormone Monster, appearing in 62 episodes with catchphrases viewed 300 million times on TikTok.
Who Is Coach Steve?
Coach Steve Steve, Nick Kroll's dim gym teacher since Episode 1 (2017), mangles advice in 55 appearances, a fan-favorite for oblivious hilarity.
Big Mouth Final Season Date?
Season 8, the final installment, dropped May 23, 2025, capping eight years of hormonal havoc.