Cast[]
- Phineas Flynn (from Phineas and Ferb) as Kermit the Frog
- Isabella Garcia-Shapiro (from Phineas and Ferb) as Miss Piggy
- Ferb Fletcher (from Phineas and Ferb) as Fozzie Bear
- Homestar Runner (from Homestar Runner) as Gonzo
- Nonny (from Bubble Guppies) as Scooter
- Spot (from Rolie Polie Olie) as Rowlf the Dog
- Mike (from Mike the Knight) as Walter
- Timmy Turner (from The Fairly OddParents) as Princeton
- Trixie Tang (from The Fairly OddParents) as Kate Monster
- Mr. Robinson (from The Amazing World of Gumball) as Rod
- Gumball (from The Amazing World of Gumball) as Nicky
- Jake (from Jake and the Never Land Pirates) as Brian
- Izzy (from Jake and the Never Land Pirates) as Christmas Eve
- Harry (from Harry and His Bucket Full of Dinosaurs) as Gary Coleman
- Cookie Monster (from Sesame Street) as Trekkie Monster
- Amaya (from PJ Masks) as Lucy
- Doc McStuffins (from Doc McStuffins) as Mrs. T
- Bogge and Quagmire (from Eureeka's Castle) as The Bad Idea Bears
- Chunk Squarey (from Rolie Polie Olie) as Dr. Teeth
- Prince James (from Sofia the First) as Floyd Pepper
- Princess Amber (from Sofia the First) as Janice
- Hoots the Owl (from Sesame Street) as Zoot
- Big Mouth (from Peg + Cat) as Animal
- Eeyore (from Winnie the Pooh) as Lips
- Rudy the Mouse (from Maggie and the Ferocious Beast) as Rizzo the Rat
- Robbie Rotten (from LazyTown) as The Grinch
- Scooby-Doo (from Scooby-Doo) as Max the Dog
- Zowie Polie (from Rolie Polie Olie) as Cindy Lou-Who
- Taury, Pterence, Trike, Sid, Steggy, Pasty (from Harry and His Bucket Full of Dinosaurs), Captain Barnacles, Kwazii, Peso, Professor Inkling, Dr. Shellington, Tweak, Dashi, Tunip (from The Octonauts), 100 Chickens (from Peg + Cats) and Molly, Gil, Goby, Deema and Oona (from Bubble Guppies) as Whos
- Small (from Big and Small) as Mike Wazowski
- Big (from Big and Small) as Sulley
- Squidward Tentacles (from SpongeBob SquarePants) as Don Carlton
- Two-Headed Monster (from Sesame Street) as Terri and Terry Perry
- Pom-Pom (from Homestar Runner) as Art
- Nemo (from Finding Nemo) as Squishy
- Fox in Socks (from The Wubbulous World of Dr. Seuss) as Dr. Bunsen Honeydew
- Mr. Knox (from The Wubbulous World of Dr. Seuss) as Beaker
- Benson (from Regular Show) as Sam the Eagle
- Forgetful Jones (from Sesame Street) as The Swedish Chef
- Batly (from Eureeka's Castle) as Pepe the King Prawn
- Doc and Grumpy (from The 7D) as Statler and Waldorf
- Richard (from Peg + Cat) as Elmo
- Fozzie Bear (from The Muppets) as Telly Monster
- Sofia (from Sofia the First) as Rosita
- Brother Bear (from The Berenstain Bears) as Baby Bear
- Dora (from Dora the Explorer) as Abby Cadabby
- Animal (from The Muppets) as Cookie Monster
- Olie Polie (from Rolie Polie Olie) as Grover
- Peg (from Peg + Cat) as Zoe
- Bear (from Bear in the Big Blue House) as Big Bird
- Strong Bad (from Homestar Runner) as Oscar the Grouch
- Gonzo (from The Muppets) as Count von Count
- Mr. Happy (from The Mr. Men Show) as Ernie
- Mr. Grumpy (from The Mr. Men Show) as Bert
- The Ferocious Beast (from Maggie and the Ferocious Beast) as Snuffy
- Candace Flynn (from Phineas and Ferb) as Prairie Dawn
- Thing One and Thing Two (from The Cat in the Hat Knows a Lot About That!) as Two-Headed Monster
- Stuffy (from Doc McStuffins) as Murray Monster
- Lambie (from Doc McStuffins) as Ovejita
- Sister Bear (from The Berenstain Bears) as Curly Bear
- Papa Bear (from The Berenstain Bears) as Papa Bear
- Mama Bear (from The Berenstain Bears) as Mama Bear
- Dr. Teeth (from The Muppets) as Guy Smiley
- Sam the Eagle (from The Muppets) as Herry Monster
- Clover (from Sofia the First) as Hoots the Owl
- The Jellybean Team (from Maggie and the Ferocious Beast) as Honkers
- Homsar (from Homestar Runner) as Dinger
- Space Boy and Space Dog (from Rolie Polie Olie) as The Martians
- Squidward Tentacles (from SpongeBob SquarePants) as Mr. Johnson
- The Swedish Chef (from The Muppets) as The Amazing Mumford
- Clifford (from Clifford the Big Red Dog) as Barkley
- Robin the Frog (from The Muppets) as Slimey the Worm
- Ice Ogre (from Jake and the Never Land Pirates) as Sweetums
- Stanley Griff (from Stanley) as Robin the Frog
- Marzipan (from Homestar Runner) as Camilla the Chicken
- Goofy (from Mickey Mouse) as Beauregard
- Toopy (from Toopy and Binoo) as Link Hogthrob
- Binoo (from Toopy and Binoo) as Dr. Julius Strangepork
- Princess Ivy (from Sofia the First) as Grundgetta
- Maggie Simpson (from The Simpsons) as Baby Natasha
- Mr. Scatterbrain (from The Mr. Men Show) as Forgetful Jones
- CowBella (from Pajanimals) as Gladys the Cow
- Marvin (from Marvin the Tap-Dancing Horse) as Buster the Horse
- Boots (from Dora the Explorer) as Peanut
- Bert (from Sesame Street) as Walter
- Spot the Dog (from Beanie Babies) as Jose Jalapeno
- Captain Hook (from Jake and the Never Land Pirates) as Achmed
- Bubs (from Homestar Runner) as Bubba J
- Clifford (from The Muppets) as Sweet Daddy Dee
- Linus van Pelt (from Peanuts) as Melvin
- SpongeBob SquarePants (from SpongeBob SquarePants) as Mr. Happy
- Sandy Cheeks (from SpongeBob SquarePants) as Little Miss Sunshine
- Sebastian (from The Little Mermaid) as Mr. Bump
- Nazz (from Ed, Edd 'n' Eddy) as Little Miss Whoops
- Ed (from Ed, Edd 'n' Eddy) as Mr. Tickle
- Patrick Star (from SpongeBob SquarePants) as Mr. Messy
- Zoe (from Sesame Street) as Little Miss Chatterbox
- Anger (from Inside Out) as Mr. Grumpy
- Tigger (from Winnie the Pooh) as Mr. Bounce
- Princess Morbucks (from The Powerpuff Girls) as Little Miss Naughty
- Herry Monster (from Sesame Street) as Mr. Strong
- Beauregard (from The Muppets) as Mr. Scatterbrain
- Piglet (from Winnie the Pooh) as Mr. Quiet
- Treelo (from Bear in the Big Blue House) as Mr. Noisy
- Peppermint Patty (from Peanuts) as Little Miss Daredevil
- Daffy Duck (from Looney Tunes) as Mr. Persnickety
- Prairie Dawn (from Sesame Street) as Little Miss Calamity
- The Grinch (from The Wubbulous World of Dr. Seuss) as Mr. Rude
- Miss Nettle (from Sofia the First) as Little Miss Scary
- Oscar the Grouch (from Sesame Street) as Mr. Stubborn
- Rapunzel (from Tangled) as Little Miss Helpful
- Fear (from Inside Out) as Mr. Nervous
- Tutter (from Bear in the Big Blue House) as Mr. Small
- Rudolph the Red-Nosed Reindeer (from Rudolph the Red-Nosed Reindeer) as Mr. Nosy
- Garfield (from Garfield) as Mr. Lazy
- Ariel (from The Little Mermaid) as Little Miss Giggles
- Wilt (from Foster's Home for Imaginary Friends) as Mr. Tall
- Abby Cadabby (from Sesame Street) as Little Miss Magic
- Lucy van Pelt (from Peanuts) as Little Miss Bossy
- Harvey Kneeslapper (from Sesame Street) as Mr. Funny
- Alice (from Alice in Wonderland) as Little Miss Curious
- Skully (from Jake and the Never Land Pirates) as Abelardo Montoya
- Sally Cat (from The Busy World of Richard Scarry) as Lola
- Art (from Monsters University) as Pancho Contreras
- Yogi Bear (from Yogi Bear) as Samson
- Uniqua (from The Backyardigans) as Tiffy
- Gary the Snail (from SpongeBob SquarePants) as Finchen
- Diesel (from Thomas and Friends) as Rumpel
- Tigga and Togga (from Tigga and Togga) as Wolle and Pferd
- Lisa Simpson (from The Simpsons) as Feli Filu
- Magellan (from Eureeka's Castle) as Nac
- Max (from Monster Math Squad) as Yoyo
- Meg Griffin (from Family Guy) as Griotte
- Angelina Mouseling (from Angelina Ballerina) as Olive
- Pingu (from Pingu) as Georges
- Foghorn Leghorn (from Looney Tunes) as Pino
- Rowlf the Dog (from The Muppets) as Tommie
- Minnie Mouse (from Mickey Mouse) as Ieniemienie
- Peppa Pig (from Peppa Pig) as Purk
- Mr. Stubborn (from The Mr. Men Show) as Moishe Oofnik
- Sweetums (from The Muppets) as Kippi Ben Kippod
- Loretta Callisto (from Miles from Tomorrowland) as Avigile
- Pip (from Bear in the Big Blue House) as Noah
- Pop (from Bear in the Big Blue House) as Brosh
- Scooter (from The Muppets) as Mahboub
- Porky Pig (from Looney Tunes) as Hu Hu Zhu
- Pinky (from Pinky Dinky Doo) as Xiao Mei Zi
- Owl (from Winnie the Pooh) as Da Niao
- The Kindly Giant (from Maggie and the Ferocious Beast) as Nimnim
- Sagwa (from Sagwa, the Chinese Siamese Cat) as Khokha
- Bunga (from The Lion Guard) as Filfil
- Maggie (from Maggie and the Ferocious Beast) as Kami
- Sulley (from Monsters, Inc.) as Zikwe
- Timon (from The Lion King) as Moshe
- Pingi (from Pingu) as Zuzu
- Rizzo the Rat (from The Muppets) as Neno
- Barney (from Barney and Friends) as Zeliboba
- Manny Garcia (from Handy Manny) as Kubik
- Little Miss Whoops (from The Mr. Men Show) as Businka
- Janice (from The Muppets) as Teena
- Mr. Strong (from The Mr. Men Show) as Mojabo
- Blinky (from Jake and the Never Land Pirates) as Pierre
- Tweety (from Looney Tunes) as Arthur
- Celia Mae (from Monsters, Inc.) as Grorie
- Rajah (from Aladdin) as Halum
- Katie (from PAW Patrol) as Tuktuki
- Curious George (from Curious George) as Shiku
- Wonder Red (from Super Why!) as Ikri Mikri
- Henry Hugglemonster (from Henry Hugglemonster) as Ollie
- Jelly Otter (from PB&J Otter) as Chamki
- Bloo (from Foster's Home for Imaginary Friends) as Googly
- Simba (from The Lion King) as Boombah
- Cleo (from Clifford the Big Red Dog) as Aanchoo
- Cedric the Sorcerer (from Sofia the First) as Kewal Khadoosa
- Timmy Turner (from The Fairly OddParents) as Sheldon Cooper
- Jimmy Neutron (from The Adventures of Jimmy Neutron: Boy Genius) as Leonard Hofstadter
- Sheen Estevez (from The Adventures of Jimmy Neutron: Boy Genius) as Raj Koothrappali
- Carlos Ramon (from The Magic School Bus) as Howard Wolowitz
- Cindy Vortex (from The Adventures of Jimmy Neutron: Boy Genius) as Penny
- Libby Folfax (from The Adventures of Jimmy Neutron: Boy Genius) as Amy Farrah Fowler
- April Glover (from Little Bill) as Bernadette Rostenkowski