Mr. Krabs the Unbearable[]
- Mr. Krabs (from SpongeBob SquarePants) as Ivan the Unbearable
- Sandy Cheeks (from SpongeBob SquarePants) as Ma
- Stromboli (from Pinocchio) as Filthy Viking
- Mordecai (from Regular Show) as Olaf
- Squidward (from SpongeBob SquarePants) as Bjorn
- Mr. Blik (from Catscratch) as Working Troll 1
- Muscle Man (from Regular Show) as Working Troll 2
Bubbles and Hanazuki[]
- Bubbles (from The Powerpuff Girls) as Sparkles
- Hanazuki (from Hanazuki: Full of Treasures) as Gloom (Both have same voice)
- SpongeBob (from SpongeBob SquarePants) as The Leprechaun
- Princess Morbucks (from The Powerpuff Girls [1998]) as Pixie
- Gil (from Bubble Guppies) as Little Prince
- Mr and Mrs. Turner (from The Fairly OddParents) as Mom and Dad
- Master Frown (from Unikitty!) as Munchie
- Doug Dimmadome (from The Fairly OddParents) as The Announcer
- Winslow (from CatDog) as Zit
- Bloo (from Foster's Home for Imaginary Friends) as The Applause Fish
- Pinkie Pie (from My Little Pony: Friendship is Magic), Jane Doe (from Camp Lazlo) and Lola Bunny (from Looney Tunes) as The Fuzzy Animal Gang
Mind the Pony[]
- Gumball (from The Amazing World of Gumball) as Punky (Both look related)
- Sanjay (from The Fairly OddParents) as Duck (Both have same voice)
- Filburt (from Rocko's Modern Life) as Lemurman
- Fluttershy (from My Little Pony: Friendship is Magic) as Tabby
- Applejack (from My Little Pony: Friendship is Magic) as Tabby's Mom
Creature Town[]
- Patrick Star (from SpongeBob SquarePants) as Lance
- Mike Wazowski (from Monsters Inc.) as Zoopie
HandyRabbit[]
- Cream the Rabbit (from Sonic the Hedgehog/Sonic X) as HandyCat (Cream is female)
- Cheese the Chao (from Sonic the Hedgehog/Sonic X) as Drillbit (Both pets to HandyCat and Cream)
- Madame Foster (from Foster's Home for Imaginary Friends) as Old Woman
Rocko Fix[]
- Rocko (from Rocko's Modern Life) as Solomon Fix
- Brain (from Pinky and the Brain) as Klemp
- Heffer Wolfe (from Rocko's Modern Life) as Mumpy
- Beast (from Beauty and the Beast) as The Troll
- Timmy Turner (from The Fairly OddParents) as Ned
- Scratch and Grounder (from The Adventures of Sonic the Hedgehog) as The Chipmunks
- Buneary (from Pokémon) as Rabbit Stead (Buneary is female)
The Dangerous Green Brothers[]
- Jumba (from Lilo and Stitch) as Navarro
- Lube (from CatDog) as Giovanni
Kingdom Hearts Time (Pilot)[]
- Sora (from Kingdom Hearts) as Pen the Human (Old Finn)
- Goofy (from Mickey Mouse) as Jake the Dog
- Hello Kitty (from Growing Up with Hello Kitty/Hello Kitty's Paradise) as Princess Bubblegum (Both have beady eyes)
- Dr. Eggman (from Sonic the Hedgehog/Sonic X) as Ice King
- Rainbow Dash (from My Little Pony: Friendship is Magic) as Rainicorn
- Sea Monster (other Cyclops) (from SpongeBob SquarePants) as Ice-Clops
- Pooh (from Winnie the Pooh) as Snow Golem
- Eeyore (from Winnie the Pooh) as Old Man
- "Yeah! What?" Ghost (from Growing Up with Hello Kitty) as Fire Element
- Abraham Lincoln as Himself (Adventure Time [Pilot] itself)
Eddy and Stimpy[]
- Eddy (from Ed, Edd n Eddy) as Bronk
- Stimpy (from The Ren and Stimpy Show) as Bongo
- Sonic the Hedgehog (from Sonic the Hedgehog/Sonic X) as Geezer (doctor)
- Grim Reaper (from The Grim Adventures of Billy and Mandy) as The Skeleton
- Billy's Dad (from The Grim Adventures of Billy and Mandy) as The Patient (Both look related)
- Brandy Harrington (from Brandy and Mr. Whiskers) as The Dinosaur
- Edward (from Camp Lazlo) as Ted Strawberry Head
- Commander Hoo-Ha (from Camp Lazlo) as The Workman
ThomBall[]
- Gumball (from The Amazing World of Gumball) as Thom Cat
- Anais (from The Amazing World of Gumball) as Melissa
- Snowball (from Battle for Dream Island) as Rusty
- John Smith (from Pocahontas) as Neighbor John
- Gordon and Waffle (from Catscratch) as Stumpy and Pat