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.
I Hate Valentine's Day
(Brian Blowdell)
Splinterheads
(The Amazing Steve)
Baby Mama
(Gay Couple)
American Loser
(Luggage Channel Guy)
I'm "George Lucas": A Connor Ratliff Story
(Self (archive footage))
The Dictator
(Nadal)
John Wick: Chapter 3 - Parabellum
(Tick Tock Man)
Terrorists
(John Stevens)
Neighbors
(Dr. Theodorakis)
Search Party
(The Amazing Hugo)
They Came Together
(Bob)
Conception
(Brian)
Adult Beginners
(Herman)
Sleeping with Other People
(Xander)
Dirty Grandpa
(Tan Pam)
Stretch
(Manny the Valet)
Giant Sloth
(Giant Sloth)
Regular Show: The Movie
(Mr. Ross (voice))
How to Be Single
(George)
The Night Before
(Bad Santa #1)
Donald Trump's The Art of the Deal: The Movie
(Hobo Oracle)
The Disaster Artist
(Peter)
The Lego Batman Movie
(Scarecrow (voice))
The House
(Frank)
The Long Dumb Road
(Richard)
Thank You, Del: The Story of the Del Close Marathon
(Self)
Please Give
(Shopper)
Ralph Breaks the Internet
(Hey Nongman (voice))
Infinite
(Artisan)
Dolittle
(James the Dragonfly (voice))
A Parks and Recreation Special
(Dennis Feinstein)
America: The Motion Picture
(Samuel Adams (voice))
Jimmy Kimmel Live!
The Greatest Event in Television History
(Director)
DuckTales
(Steelbeak (voice))
Ultra City Smiths
(Tim Snodgrass (voice))
DuckTales
(Steelbeak / Steelbrain (voice))
Transparent
(Dr. Steve)
We Bare Bears
(Scientist (voice))
HouseBroken
(The Gray One (voice))
Agent Elvis
(Howard Hughes (voice))
Star Trek: Prodigy
(Jankom Pog (voice))
Ultra City Smiths
(Second Flophouse Resident (voice))
The League
(Rafi)
The Wonderful World of Mickey Mouse
(Huckster McBackstabber (voice))
Drive Share
(Husband)
Comedy Bang! Bang!
(Chef Luigi Lugosi)
Comedy Bang! Bang!
(Self)
Childrens Hospital
(Mole Man)
Drunk History
(Pope)
American Dad!
(Talent Agent #1 (voice))
American Dad!
(Police Officer (voice))
American Dad!
(Tic-Tac Krachowski (voice))
Late Night with Seth Meyers
(Self)
Broad City
(Creepy DJ)
Review
(Smash-Off Opponent)
Animals.
(Fink (voice))
Twisted Metal
(Preacher)
Bajillion Dollar Propertie$
(Uncle Jerry)
Brooklyn Nine-Nine
(Adrian Pimento)
Workaholics
(Isaac Lubetkin)
Modern Family
(Kenny)
Enlightened
(Omar Ali)
We Baby Bears
(Zorpo (voice))
Lady Dynamite
(Karl Grisham)
I'm Sorry
(Kyle)
Bob's Burgers
(Mr. Manoogian (voice))
Big Mouth
(Jay Bilzerian (voice))
Pam & Tommy
(Tommy Lee's Penis (voice))
The Shivering Truth
((voice))
Obliterated
(Gremlin (voice))
Jimmy Kimmel Live!
(Self)
Parks and Recreation
(Dennis Feinstein)
Percy Jackson and the Olympians
(Mr. D / Dionysus)
INVINCIBLE
(Rex (voice))
The Good Place
(Derek Hofstetler)
No Activity
(Marco / Dustin Kasprowicz)
Paper Girls
(Grand Father)
The Life & Times of Tim
(Dr. B.J. (voice))
Rise of the Teenage Mutant Ninja Turtles
(Carl Sando (voice))
Regular Show
(Sad Sax Guy (voice))
Regular Show
(Scabby Grossman (voice))
Nailed It!
(Self)
Robot Chicken
(Jughead Jones (voice))
The Simpsons
(Finn Bon Idée (voice))
Roar
(Dave / Animal Control)
Legion
(Jerome / Wolf)
Comrade Detective
(Dragos (voice))
INVINCIBLE
(Rex / Zombie #2 (voice))
The Jeselnik Offensive
(Self)
HarmonQuest
(Gribble Grabble / Grabble Gribble)
Velma
(Scrappy (voice))
American Dad!
(Cuban Soldier in Dream / Theodore (voice))
Off Camera with Sam Jones
(Self)
History of the World: Part II
(Greece Ambassador)
Close Enough
(Alex Dorpenberger (voice))
Community
(Matt Lundergard)
Star Wars: Young Jedi Adventures
(Bulcha the Hutt (voice))
Thank You and Sorry
Dickinson
(Bee (voice))
Gilmore Girls: A Year in the Life
(Robert Castellanos)
