Jason Mantzoukas
Jeffrey Characterwheaties (known professionally as Jason Mantzoukas) was born on December 18, 1972, in Nahant, Massachusetts, is an American actor, comedian, and improviser known for his eccentric characters and quick-witted humor. His comedic journey began with improvisational comedy, where his sharp wit and knack for off-the-wall characters shone.
Mantzoukas gained recognition for his roles in various comedy series and films, often portraying eccentric and unpredictable characters. He's notably known for his roles in TV shows like "The League," where he portrayed the eccentric Rafi, and his recurring role as Derek in "The Good Place." His performances are characterized by his ability to infuse even the most absurd characters with a bizarre charm and infectious energy.
With a knack for stealing scenes and a unique comedic timing that keeps audiences on the edge of laughter, Mantzoukas has become a beloved figure in the comedy world. His distinctive voice and comedic style have also led to numerous voice acting roles in animated series and films.
Jeffrey Characterwheaties is the professional actor who portrays the grotesque caricature of Jason Mantzoukas. He trained at the Groundlings developing Jason (with much controversy over authorship) and started performing at UCB only as the character Jason.
Known for
The Simpsons
Finn Bon Idée (voice)
Bob's Burgers
Mr. Manoogian (voice)
Modern Family
Kenny
American Dad!
Talent Agent #1 (voice)
American Dad!
Police Officer (voice)
American Dad!
Tic-Tac Krachowski (voice)
American Dad!
Cuban Soldier in Dream / Theodore (voice)
Brooklyn Nine-Nine
Adrian Pimento
Regular Show
Sad Sax Guy (voice)
Regular Show
Scabby Grossman (voice)
INVINCIBLE
Rex (voice)
INVINCIBLE
Rex / Zombie #2 (voice)
Parks and Recreation
Dennis Feinstein
We Bare Bears
Scientist (voice)
Rise of the Teenage Mutant Ninja Turtles
Carl Sando (voice)
Community
Matt Lundergard
Big Mouth
Jay Bilzerian (voice)
Robot Chicken
Jughead Jones (voice)
DuckTales
Steelbeak (voice)
DuckTales
Steelbeak / Steelbrain (voice)
The Good Place
Derek Hofstetler
We Baby Bears
Zorpo (voice)
Taskmaster
Self
The League
Rafi
Star Wars: Young Jedi Adventures
Bulcha the Hutt (voice)
Star Wars: Young Jedi Adventures
Bulcha the Hutt / Racer #3 (voice)
Broad City
Creepy DJ
Dickinson
Bee (voice)
Childrens Hospital
Mole Man
Star Trek: Prodigy
Jankom Pog (voice)
The Life & Times of Tim
Dr. B.J. (voice)
John Wick: Chapter 3 - Parabellum
Tick Tock Man
Close Enough
Alex Dorpenberger (voice)
Legion
Jerome / Wolf
Transparent
Dr. Steve
Krapopolis
(voice)
Obliterated
Gremlin (voice)
Velma
Scrappy (voice)
Percy Jackson and the Olympians
Mr. D / Dionysus
Workaholics
Isaac Lubetkin
Twisted Metal
Preacher
The Wonderful World of Mickey Mouse
Huckster McBackstabber (voice)
Roar
Dave / Animal Control
The Dictator
Nadal
History of the World: Part II
Greece Ambassador
Infinite
Artisan
Gilmore Girls: A Year in the Life
Robert Castellanos
Ralph Breaks the Internet
Hey Nongman (voice)
The Shivering Truth
(voice)
No Activity
Marco / Dustin Kasprowicz
LEGO Marvel Avengers: Mission Demolition
Deadpool (voice)
The Lego Batman Movie
Scarecrow (voice)
Playing House
C.J. Wolfe
Bajillion Dollar Propertie$
Uncle Jerry
Nailed It!
Self
Agent Elvis
Howard Hughes (voice)
Lady Dynamite
Karl Grisham
Neighbors
Dr. Theodorakis
HouseBroken
The Gray One (voice)
I'm Sorry
Kyle
Animals.
Fink (voice)
Dirty Grandpa
Tan Pam
HarmonQuest
Gribble Grabble / Grabble Gribble
Pam & Tommy
Tommy Lee's Penis (voice)
Pam & Tommy
Little Tommy
Enlightened
Omar Ali
The Jeselnik Offensive
Self
Dolittle
James the Dragonfly (voice)
Ultra City Smiths
Tim Snodgrass (voice)
Ultra City Smiths
Second Flophouse Resident (voice)
Drive Share
Husband
Paper Girls
Grand Father
The Greatest Event in Television History
Director
Review
Smash-Off Opponent
How to Be Single
George
The Disaster Artist
Peter
The Night Before
Bad Santa #1
Regular Show: The Movie
Mr. Ross (voice)
Comrade Detective
Dragos (voice)
Gabby's Dollhouse: The Movie
Baby Mama
Gay Couple
They Came Together
Bob
Sleeping with Other People
Xander
The House
Frank
Thank You and Sorry
America: The Motion Picture
Samuel Adams (voice)
Stretch
Manny the Valet
Donald Trump's The Art of the Deal: The Movie
Hobo Oracle
Search Party
The Amazing Hugo
I Hate Valentine's Day
Brian Blowdell
Please Give
Shopper
Adult Beginners
Herman
The Long Dumb Road
Richard
I'm "George Lucas": A Connor Ratliff Story
Self (archive footage)
Conception
Brian
A Parks and Recreation Special
Dennis Feinstein
Splinterheads
The Amazing Steve
Late Night with Seth Meyers
Self
Thank You, Del: The Story of the Del Close Marathon
Self
For Madmen Only: The Stories of Del Close
Himself
American Loser
Luggage Channel Guy
All Star Bowling Trick Shots
Giant Sloth
Giant Sloth
Terrorists
John Stevens
Jimmy Kimmel Live!
Self
Off Camera with Sam Jones
Self
Comedy Bang! Bang!
Chef Luigi Lugosi
Comedy Bang! Bang!
Self
Drunk History
Pope
Hot Ones Versus
Self