The Amazing World of Gumball/Adventure Time(2010)


 * Gumball as Finn The Human
 * Darwin as Jake The Dog(because both of them are best friends with Gumball and Finn)
 * Penny as Princess Bubblegum(because both Gumball and Finn are in love with Bubblegum and Penny)
 * Tina Rex as Ice King
 * Oscar(Fish Hooks)as Peppermint Butler
 * Carrie as Marceline
 * Lesslie as Lumpy Space Princess
 * FIONNA AND CAKE DIMENSION*
 * Bea(Fish Hooks)as Fionna The Human
 * Shellsea(Fish Hooks)as Cake The Cat(Because both of them are best friends with Bea and Fionna)
 * Steve Jackson(Fish Hooks)as Prince Gumball(Because Bea and Fionna are in love with Prince Gumball and Steve Jackson)
 * Nicole Watterson as Ice Queen(Because both of them are sometimes dramatic)
 * Mordecai(Regular Show)as Marshall Lee
 * Gunther(Kick Buttowski)as Lumpy Space Prince(don't know his name)