Equestria Girls/Mutilanguage

The cast is:

 * Rainbow Dash as English
 * Scoolate as French
 * Applejack as German
 * Pinkie Pie as English
 * Bowser (from Mario) as Esperanto
 * Twilight Sparkles as Thai
 * Sunset Shimmer as Lao
 * Fluttershy as Kyrgyz
 * Trixie as Uyghur
 * Principal Luna as Corsian
 * Casey Jr. (from Dumbo) as Estonian
 * Discord (made up Equestria Girls character) as Polish

Languages that doesn't belong to the Equestria Girls community

 * Zero (from Numberjacks) as Latin
 * Linka Loud (from Genderbend Loud House) as Bulgarian
 * Bloom (from Winx Club) as Slovak
 * B (from Alphablocks) as Chinese
 * Littlest Pet Shop Humans as Germanic languages
 * Buck (from Home of the Range) as English
 * Ace Bunny (from Loonatics Unleashed) as Finnisn
 * Cuddles (from Happy Tree Friends) as Swedish
 * Cloe (from Bratz) as Korean
 * McGee (from McGee and Me) as Ainu
 * Cow (from Cow and Chicken) as Faorese
 * Boss Baby as Portguese
 * Danny Phantom as Syriac
 * Slimer (from Ghostbusters) as Mongolian
 * Montgomery Moose (from Get Along Gang) as Sicilian
 * King Kong as Burmese
 * Martha Speaks characters as Sino-Tibetan languages
 * Rick Raccoon (from Shirt Tales) as Norwegian
 * Barney (from Barney) as Tajik
 * ALF (from ALF) as Kashmiri
 * Casey Jr. (from Casey Jr. and Friends) as English
 * Dragon Tales characters as Romance languages
 * Super Why (from Super Why) as Sanskrit
 * Doc (from Snow White) as Tamil
 * Dusty (from Hanny Manny) as Singlish
 * Hannah Montana as Japanese
 * Tinkerbell (from Tinkerbell) as Tibetan
 * Peppa Pig as Oromo
 * Shopkins Humans as Afro-Asiatic languages
 * Mr. Magoo as Hungarian
 * Sesame Street characters as Indo-European languages
 * Casper as Welsh
 * One (from Numberblocks) as Irish
 * M (from Lettermens) as Malay
 * Stanley (from A Troll in Central Park) as Perisan
 * Rocky (from Rocky and Bullwinkle) as isiXhosa
 * Blade (from Blade and Jake) as Youbora
 * Lucas (from Ant Bully) as Shanghainese
 * Uncle Grandpa as Cantonese
 * Trix Rabbit as Russian
 * Bendy (from Bendy) as Turkmen
 * Max (from Backyard Sports) as Greek
 * Milo (from Atlanis) as Bangal
 * Noddy as isiXhosa
 * Silly Animals characters as Celtic languages
 * Popeye as Albanian
 * Gumby as Bulgarian
 * Pizza Head (from Pizza Hut) as Afrikaans
 * Grow Up Timmy Turner characters as Japanoic languages
 * The Cat in the Hat (from Dr. Seuss) as Kurdish