Chowder/Spongebob: Fungus Among Us

Version 1

 * Sanjay Patel (from Sanjay and Craig) as SpongeBob (both are main protagonists)
 * Richard Watterson (from The Amazing World of Gumball) as Patrick (both are pink)
 * Foop (The Fairly OddParents) as Squidward
 * Luan Loud (The Loud House) as Sandy
 * Uncle Grandpa (Uncle Grandpa) as Eugene H. Krabs
 * Gideon Gleeful (Gravity Falls) as Sheldon J. Plankton (both are villains)
 * Craig Slithers (Sanjay and Craig) as Gary the Snail (both are pets)
 * Cheerilee (My Little Pony: Friendship is Magic) as Mrs. Puff (both are teachers)
 * Tina Russo (The Looney Tunes Show) as Pearl Krabs
 * Skips (Regular Show) as Larry the Lobster
 * Mr. Baldwin (Fish Hooks) as Squilliam Fancyson
 * Soos (Gravity Falls) as Bubble Bass (both are fat)
 * Wander (Wander Over Yonder) as Fred
 * Dave (Dave the Barbarian) as Harold Bill
 * Dipper Pines (Gravity Falls) as Nat Peterson
 * Herbert the Pervert (Family Guy) as Old Man Jenkins (both are old folks)
 * Steven Universe (Steven Universe) as Sandals
 * Benson Dunwoody (Regular Show) as Tom Smith
 * Megan Sparkles (Sanjay and Craig) as Norma Rechid
 * I.M. Weasel (I Am Weasel) as Dr. Gill Gilliam
 * Bea Goldfishberg (Fish Hooks) as Nazz-Mimi
 * Nicole Watterson (The Amazing World of Gumball) as Martha Smith
 * Sally (Scaredy Squirrel) as Mable-Monica
 * Toast (Histeria!) as Scooter
 * Gumball Watterson (The Amazing World of Gumball) as Taylor-Billy
 * Mandark (Dexter's Laboratory) as Kevin C. Cucumber
 * Granny Smith (My Little Pony: Friendship is Magic) as Mable Lobster/Jenkins (both are old folks)
 * Penny Fitzgerald (The Amazing World of Gumball) as Nancy-Suzy Fish
 * Rainbow Dash (My Little Pony: Friendship is Magic) as Evelyn
 * Chief Wiggum (The Simpsons) as Officer John (both are police officers)
 * Chief Rambamboo (Breadwinners) as Nancy O'Malley (both are police officers)
 * Timmy Turner (The Fairly OddParents) as Monroe Timmy
 * Thomas (Regular Show) as Nathiel Waters
 * Trina Riffin (Grojband) as Debbie Rechid
 * Hector Flanagan (Sanjay and Craig) as Jimmy Gus
 * Fred Fredburger (The Grim Adventures of Billy & Mandy) as Charlie
 * Reginald Skarr (The Grim Adventures of Billy & Mandy / Evil Con Carne) as What Zit Tooya
 * Kaz Harada (Hi Hi Puffy AmiYumi) as Francis
 * Slinkman (Camp Lazlo) as Thaddeus
 * Mr. Whiskers (Brandy and Mr. Whiskers) as Billy Fishbowl
 * Moe Szyslak (The Simpsons) as Frankie Billy
 * Crandall (Teamo Supremo) as Henry-Bart
 * Cornelius C. Fillmore (Fillmore!) as Bert
 * Ferb Fletcher (Phineas and Ferb) as Pilar
 * Bloo (Foster's Home for Imaginary Friends) as Buddy
 * Darwin Watterson (The Amazing World of Gumball) as Tyler
 * Anais Watterson (The Amazing World of Gumball) as Shelly Fishbowl
 * Fluttershy (My Little Pony: Friendship is Magic) as Sally
 * Isabella Garcia-Shapiro (Phineas and Ferb) as Isabelle Fish
 * Flim (My Little Pony: Friendship is Magic) as Dale
 * Samson Clogmeyer (Camp Lazlo) as Frank
 * The Mayor of Townsville (The Powerpuff Girls) as the Mayor of Bikini Bottom (both are mayors)
 * Vijay Patel (Sanjay and Craig) as Harold SquarePants (both are dads)
 * Darlene Patel (Sanjay and Craig) as Margaret SquarePants (both are moms)
 * Pinkie Pie (My Little Pony: Friendship is Magic) as Sophie
 * Beast Boy (Teen Titans Go!) as Lenny
 * Sweetie Belle (My Little Pony: Friendship is Magic) as Susie Fishbowl
 * Major Dr. Ghastly (Evil Con Carne) as Tina Fran
 * Clarence Wendell (Clarence) as Sheldon
 * Abraham Simpson II (The Simpsons) as Lonnie (both are old folks)
 * Ketta (Breadwinners) as Monica
 * Mary Wendell (Clarence) as Abigail Marge
 * Richard Dickson (Sanjay and Craig) as Baby Peterson (both are babies)
 * Harold (The Grim Adventures of Billy & Mandy) as Lloyd-Rich
 * Mrs. Harshwhinny (My Little Pony: Friendship is Magic) as the Bakery Cashier
 * Dexter (Dexter's Laboratory) as Horace
 * Rolf (Ed, Edd n Eddy) as Three-Headed Jake
 * Billy (The Grim Adventures of Billy & Mandy) as Franco
 * Buhdeuce (Breadwinners) as Frank (red shirt)
 * Rikochet (¡Mucha Lucha!) as Frank (muscular fish)
 * Kendall Perkins (Kick Buttowski: Suburban Daredevil) as Annette
 * Twilight Sparkle (My Little Pony: Friendship is Magic) as Sheila
 * Corey Riffin (Grojband) as Clay
 * Wendy Testaburger (South Park) as Molly
 * Carrie Beff (Grojband) as Jennifer-Millie
 * Dr. I.Q. Hi (Duck Dodgers) as Howard Blandy
 * SwaySway (Breadwinners) as Brad
 * T-Midi (Breadwinners) as the British Gentleman
 * Kin Kujira (Grojband) as Mevis
 * Mayor Mellow (Grojband) as Harv Albert Rechid
 * The Lemmings (Camp Lazlo) as Anchovies
 * Iris (Ruby Gloom) as Cara
 * Creepie Creecher (Growing Up Creepie) as Judy
 * Billy Dilley (Billy Dilley's Super-Duper Subterranean Summer) as the Fat Student Fish
 * Miss Flap (Bunsen Is a Beast) as Mrs. Crossing Guard
 * Prohyas Warrior (Mighty Magiswords) as Norton
 * Olly Timbers (Welcome to the Wayne) as Perry
 * Lisa Simpson (The Simpsons) as Lisa (same names)
 * Homer Simpson (The Simpsons) as Marty (both are resemblings)
 * Marge Simpson (The Simpsons) as Janet (both are resemblings)
 * Bob Belcher (Bob's Burgers) as Herb Star (both are dads)
 * Rose Quartz (Steven Universe) as Margie Star (both are moms)
 * Lori Loud (The Loud House) as the Casting Director
 * Mikey Munroe (Bunsen Is a Beast) as Martin
 * Bunsen (Bunsen Is a Beast) as Reggie
 * Holly (ToonMarty) as Annette
 * Amanda Killman (Bunsen Is a Beast) as Vera Fishbowl

Version 2

 * Phineas Flynn from (Phineas and Ferb) as SpongeBob (both are main protagonists)
 * Clarence Wendle from (Clarence) as Patrick (both are Chubby and Overweight)
 * Brainy Smurf from (The Smurfs) as Squidward
 * Alvin Seville from (Alvin and the Chipmunks) as Eugene H. Krabs
 * Kim Possible from (Kim Possible) as Sandy
 * Voltar from (League of Super Evil) as Sheldon J. Plankton (both are villains)
 * Perry the Platypus from (Phineas and Ferb) as Gary the Snail (both are pets)
 * Brittany Miller from (Alvin and the Chipmunks) as Mrs. Puff
 * Lori Loud from (The Loud House) as Pearl Krabs
 * Johnny Bravo from (Johnny Bravo) as Larry the Lobster
 * Dr. Frogg from (League of Super Evil) as Squilliam Fancyson
 * Ferb Fletcher from (Phineas and Ferb) as Stanley S. SquarePants
 * Irving Beaks from (Harvey Beaks) as Fred
 * Harvey Beaks from (Harvey Beaks) as Monroe Rechid
 * Ren from (Ren and Stimpy) as Kevin the Sea Cucumber
 * Vicky from (The Fairly OddParents) as Karen
 * Stimpy from (Ren and Stimpy) as Tom
 * Harold Berman from (Hey Arnold) as Bubble Bass
 * Arnold from (Hey Arnold) as Scooter
 * Rocko from (Rocko's Modern Life) as Harold Reginald
 * Buford from (Phineas and Ferb) as Flats the Flounder
 * Homer Simpson from (The Simpsons) as King Neptune
 * Marge Simpson from (The Simpsons) as Queen Amphitrite
 * Piglet from (Winnie the Pooh) as Phil
 * Mordecai from (Regular Show) as Mermaid Man
 * Rigby from (Regular Show) as Barancle Boy
 * Lisa Simpson from (The Simpsons) as Mindy
 * Bart Simpson from (The Simpsons) as Triton