Jack Black

as Self

as Self

as Po (voice)

as Bowser (voice)

as Steve

as Professor Sheldon 'Shelly' Oberon

as Self

as Himself

as Self

as Bowser (voice)

as Doug McCallister

as Self

as Vocals / Guitar / Sax-a-boom

as Self

as self

as Steve

as Self - Guest(1 ep)

as Satan

as Self

as Claptrap (voice)

as Po (voice)

as Self

as Po (voice)

as Self - Actor

as Self

as JB

as Bowser (voice)

as Joseph Stalin(2 eps)

as (Special Appearance)

as Self

as Self

as Wolfman Jack

as Po (voice)(42 eps)

as Grown Up Stan (voice)

as Self (archive footage)

as Brad Gunter (voice)(1 ep)

as Man

as Self

as Self - Contestant(1 ep)

as Westley(1 ep)

as Self

as Self - Game Master

as Self

as Self(1 ep)

as Self

as Self

as Professor Sheldon 'Shelly' Oberon

as Captain Bombardier(1 ep)

as Self - Guest(2 eps)

as Self(1 ep)

as Sheriff

as Self(4 eps)

as R.L. Stine (uncredited)

as JB(6 eps)

as Jonathan Barnavelt

as The Wizard of Hollywood(1 ep)

as Po (Voice)

as Self

as Self(1 ep)

as Dexter

as Self(1 ep)

as Self - Special Guest(1 ep)

as Bethany

as Self(2 eps)

as Self(1 ep)

as Self - Reader: Declaration of Independence

as Self - Judge(1 ep)

as Big Tommy

as Jan Lewan

as Self

as Ludwig van Beethoven(1 ep)

as Self(1 ep)

as Self(1 ep)

as Po (voice)

as Po (voice)

as Self - Guest(1 ep)

as Self

as Jamison Friend(1 ep)

as Stine / Slappy / Invisible Boy (voice)

as Dan Ringley(1 ep)

as Alex Talbot(10 eps)

as Dan Landsman

as Self(1 ep)

as Self(1 ep)

as Self

as Self - Actor

as YouPorn Owner (uncredited)

as Self (archive footage) (uncredited)

as Self

as Self(1 ep)

as Self

as Self - Guest(2 eps)

as Self(2 eps)

as Self - Guest(1 ep)

as Self(1 ep)

as Lithdor (voice)(1 ep)

as Dethklok's Original Manager / Fat Fan (voice)

as Po (voice)

as William Mulholland(1 ep)

as Vincenzo Peruggia(1 ep)

as Elvis Presley(1 ep)

as Self - Presenter(1 ep)

as Self

as Self

as Po (voice)

as Self(2 eps)

as Self(1 ep)

as JB

as Bernie Tiede

as Self(1 ep)

as Self(3 eps)

as Po (voice)

as Jack Black (uncredited)

as Brad Harris

as Self(1 ep)

as Self

as Po (voice)

as MCA (B-Boys 2)

as Pritchard(1 ep)

as Lemuel Gulliver

as Self(1 ep)

as Self (archive footage)(1 ep)

as Po (voice)

as Aspartamay

as Self(5 eps)

as Self

as Self(1 ep)

as Self

as Buddy(1 ep)

as Self(1 ep)

as Self - Guest(1 ep)

as Zed

as Self

as Self(1 ep)

as Jesus Christ

as Po (voice)

as Self

as Self

as Jeff Portnoy

as Jeff Portnoy

as Self

as Self

as Multiple Roles/Jerry

as Po (voice)

as The Mayor(1 ep)

as Self

as Jerry

as Paul McCartney (uncredited)

as Malcolm

as Aspartamay(2 eps)

as Self / Cop / Story Wizard(1 ep)

as Self

as Self(4 eps)

as Miles

as JB

as Self

as Self

as JB

as Dan Harmon(2 eps)

as Ignacio / Nacho

as Self - Interviewee

as Self

as Self

as JB

as George Washington

as Self

as Carl Denham

as Self

as Self(1 ep)

as Self - Presenter

as Self(1 ep)

as Sam(1 ep)

as Lenny (voice)

as Self(1 ep)

as Self

as Trapper JB (voice)(1 ep)

as Self

as Lenny (voice)

as Motorcyclist

as Nick Vanderpark

as The Elegant Hunter(2 eps)

as Bruce Philapousis(1 ep)

as Self - Host(1 ep)

as Mental Patient (uncredited)

as Self

as Self

as Dewey Finn

as Self

as Self(4 eps)

as Computerman(6 eps)

as Computerman(1 ep)

as Self(1 ep)

as Self(1 ep)

as Self - Emmys Segment(1 ep)

as Self - Musical Guest(2 eps)

as Self - Guest(2 eps)

as Self - "Mean Tweets"(1 ep)

as Lewis (voice)

as Self

as Pusher / Larry Hardcore (voice)(1 ep)

as JB

as Self

as Self(1 ep)

as Tenacious O (voice)(1 ep)

as Self(1 ep)

as JB

as Zeke (voice)

as Lead Chimney Sweep

as Lance Brumder

as Self(1 ep)

as Self

as Self

as Self(1 ep)

as Hal Larson

as JB

as J.D(1 ep)

as J.D. McNugent

as Georgie

as Barry

as Sid

as Self - Presenter(1 ep)

as Fisherman

as Jack Austin

as Jack Austin(1 ep)

as Fiedler

as Titus Telesco (uncredited)

as Dr. Isaac Hershberg(1 ep)

as Devlin

as Jerry

as Jack 'JB' Black(6 eps)

as Ian Lamont

as Self - Guest(2 eps)

as Billy Glenn Norris

as self(1 ep)

as Broadcast Technician

as Self(6 eps)

as Rick

as Steve

as Tenacious D

as Craig Poncelet

as Expert(1 ep)

as Farmer / Satan / God(1 ep)

as Gay Guy / Moviegoer(1 ep)

as Jeepers Creepers(1 ep)

as Randy(2 eps)

as Pilot

as Man(1 ep)

as DJ at Party

as Slip

as Marty Prago

as Monte(1 ep)

as Tommy(1 ep)

as Private

as Doug(1 ep)

as Wasteland Scrap

as Augie

as Self - Guest(4 eps)

as Bart 'Zero' Liquori(1 ep)

as Car Thief

as Ray(1 ep)

as Cab Driver(1 ep)

as Curtis Williams(2 eps)

as Roger Davis

as Self(1 ep)

as Self(1 ep)

as Self - Guest(1 ep)

as Teenage Boy

as Kevin Wilkins(1 ep)

as Milo (voice)(1 ep)

as Skinhead(1 ep)

as Self(1 ep)

as Host(3 eps)

as Self - Honoree(1 ep)

as Rick

as Nick(1 ep)

as Self - Host(1 ep)

as Chuck(1 ep)

as Self - Host(5 eps)

as Self - Musical Guest(1 ep)

as Self - Tenacious D(1 ep)

as Self - Presenter(1 ep)

as Self(1 ep)