My Little Pony/The Simpsons

Cast

 * Twilight Sparkle as Homer Simpson
 * Rarity as Marge Simpson
 * Spike as Bart Simpson
 * Fluttershy as Lisa Simpson
 * Pumpkin Cake as Maggie Simpson (They are both female babies)
 * Winona (Applejack's dog) as Santa's Little Helper
 * Opalescence (Rarity's cat) as Snowball II
 * Granny Smith as Grandpa Simpson
 * Applejack as Moe Syzslak
 * Big Macintosh as Barney Gumble
 * Lyra and Bon Bon as Lenny and Carl
 * The Great and Powerful Trixie as Mr. Burns
 * Rainbow Dash as Milhouse Van Houten
 * Gilda as Nelson Muntz
 * Mr. Cake as Ned Flanders (Ned's voice suits Mr. Cake)
 * Mrs. Cake as Maude Flanders
 * Derpy Hooves/Ditzy Doo as Krusty the Clown
 * Discord as Sideshow Bob
 * Princess Luna/Nightmare Moon as Fat Tony
 * Flim/Flam brothers as Fat Tonys henchmen
 * Mayor of Ponyville as Mayor of Springfield
 * Princess Celestia as Chief Wiggum
 * Pinkie Pie as Ralph Wiggum
 * Garble as Snake Jailbird
 * Cherliee as Ms. Hoover

Voice Cast

 * Dan Castellaneta - Twilight Sparkle, Granny Smith, Big Macintosh, Derpy Hooves/Ditzy Doo, Mayor of Ponyville
 * Julie Kavner - Rarity
 * Nancy Cartwright - Spike, Gilda, Pinkie Pie
 * Yeardley Smith - Fluttershy
 * Hank Azaria - Applejack, Princess Celestia, Bon Bon
 * Harry Shearer - The Great and Powerful Trixie, Lyra, Mr. Cake
 * Pamela Hayden - Rainbow Dash
 * Maggie Roswell - Mrs. Cake
 * Kelsey Grammer - Discord
 * Joe Mantegna - Princess Luna/Nightmare Moon