My Little Grease

Discord as Danny Zukko

Fluttershy as Sandy

Pinkie pie as Betty Rizzo

Dr. Doofenshmiriz( Phineas and Ferb ) as Kenneckie

T- Birds:

spike as doody

Marrice( The Penguins of Madagascar ) as Puzie

Mac( Foster's  Home for Imangary Friends ) as sunny

Pink Ladies:

Berry (fosters) as Frenchy

Rarity as Marity

Applebloom as Jan

Bloo as the Teen Angel

The Chipettes as the Teen Angelettes

Feather weight as Eugene

Twist as Patty Simcox