Characters played by Bill Leff
Bill the Cartoon Curator
Barnyard Bill
Buddy Buzzer
Simon Shock
Cap'n Bill
Jimmy the Slice
Billwyn
Hazardous Henry
Narrator
Phil the Cartoon Custodian
Stockingstein
Bad Guy Bill
Beel the Cartoon Curator
Bjorn Yestaday
Calvin Cupley
Cleam Announcer
Commercial VO Announcer
Dill Jeff
George Washington
Gill the Cartoon Conman
Granny Bill
Hugo Hammerhead
Licky DiBoot
Mirror Bill
Perilous Perry
Prawn Dunston
Promo Voice Over Artist
Simon N. Garfunkel
Spirit Bill
The Broadcaster
The President
Toony Bill
VO Announcer
William the British Cartoon Curator
Characters played by Kevin Fleming
Toony the Tuna
Mr. Quizzer
Det. Abouttoretire
Bill's Dad
Benny the IT Feller
Shaddup
Felton Fanboy
Samuel Q. Steamboat
Dr. Abramowicz
Pop Quizzer
Al B. Quirky
Bash Hashtag
Chris P. Catfish
Garth R. Fonzasmelly
Dino
Capt. Abouttoretire
Cubie Tickler
Flex Armswrong
Greg Bossy
Hack Frost
Hy Gene
Mel Attonin
Mickey Tool
Mr. Grudge
Roger Shaddup
St. Anthony
Sventoonie
Teddy Roosevelt
Thick Van Dyke
Auto Pound Clerk
Bill Toony
Bread
Burt Reynolds
Chet Letcher
Dean Tenured
Det. AboutToRetire
Det. Abouttogoholmes
Dos Largas Barbas Member
Dr. Buck Terium
Fred From Albuquerque
Game Show Announcer
Ghost of Teddy Roosevelt
Grand Inquizzitor
Hog
Hortensio
Hy Gene the Hygiene Genie
Jack
Kale
Kenny Rogers
King Neptune
Lep
Leprecant
Lorna's Dad
Man Wearing Barrel
Mr. Quizzin'
Narrator
Nigel Funk
Ocean Nova Scotian
Poindexter Aliennabber
Quiz-bot 1999
Richmond E. Moneybags
Safety Dan #1
Safety Dan #2
Sal Fresco
Sam Q. Steamboat
Sockeye Toony
Sports VO Announcer
Stern Man
The Owner
Thunnus
William DeVein
Yakov Smirnoff
Characters played by Leila Gorstein
Goldie Fisher
Lorna Greene
Bill's Mom
Boxcar
Det. Newtotheforce
Soundra
Dippy
Showacartoon
Sockeye Sam
Sue Thsayer
Imena Bocks
Jenn Zee
Slipped Disc Jockey
Sue P.
Tüüni
Felicia Fangirl
Misty Drizzle
Mob Lobster
Rudy Flutey
Ms. Information
Trisha Brine
Clementine Cleam
Gorilla
Johan Von Schnauzer
Johann von Schnauzer
Mountgomery
Abraham Lincoln
Deer
Francesca Fresco
Granny Mudfish
Grim Reaper
Hot Dog Bunny
Immina Kitchener
Library Lady
Mousecatcher Mabel
Mrs. Monkfish
Red-Headed Step Child
Skinny Grossguts
Steve Sadsack
Tootie Mentional
Turtle
Wash Sloth
Abe Lincoln
Aloofa
Beck Ground
Beverly Blemish
Bobby Socks
Boxcar Barista
Boxcar Cupid
Boxcar Dentist
Boxcar Dentist & Centaur
Boxcar Doctor
Boxcar Lawyer
Boxgoldie
Buggie McCartney
Cantaloupe
Chef Phil Gouda
Danny Animato
Daytime Talk Show Host
Deer Comic
Delivery Person
Delivery Woman
Det. Abouttoretire
Det. Watsonew
Diedre from Spokane
Disco Boxcar
Diver Guy
Doc Quack
Dos Largas Barbas Member
Estee Chowder
Flap
Goldcar
Henry's Mom
Honk Shoe
Interpol Agent
Jean Showacartoon
Jemmy Millennial
Johan von Schnauzer
Kath Feen
Kirk Splat
Lamp
Lazy Daze O'Summer
Letitia Liplint
Lorna's Mom
Lt. Newtotheforce
Mabel
Maggie the Singer
Magnificent Mrs. Monkfish
Marty Smartypants
Mildred Vanilla
Mirror Goldie
Miss Icky
Mitch Mitchell
Mr. Cuddlepuddle
Mrs. Potts
Ms. Bucket Head
Mystery Guest
Narco
NewToTheForce
Passamida Gorgonzola...
Characters played by Rich Koz
Kerwyn
Svengoolie
Characters played by Jerry Beck
Self - Cartoon Historian
Characters played by Jeff Bergman
Self - 'Bugs' Voice Artist
Characters played by Gilbert Gottfried
Self
Characters played by Robert McKimson Jr.
Self - Robert McKimson's Son
Characters played by Paul Mackey
Dude
Characters played by Analise Ockenfels
Wind Wrangler
Characters played by Robert Rodi
Elephant
Characters played by Yakov Smirnoff
Self
Characters played by Claire
Self - Super-Tooner
Characters played by Ruth Clampett
Self - Bob Clampett's Daughter
Characters played by Nanette Keir
Self - Super-Tooner
Characters played by Sarah Rhodes
Self - Super-Tooner
Characters played by Clinton Robison
Self - Super-Tooner
Characters played by Dawn Wells
Self - Voice Message
Characters played by Billy West
Self - 'Bugs' Voice Artist
Characters played by Wendy Snyder
Leticia Donnybrook