The Pebble and the Mystery Twins

Mewniverse Falls' movie spoof of the 1995 animated musical film "The Pebble and the Penguin"

Cast

 * Hubie - Dipper Pines (Gravity Falls)
 * Marina - Pacifica Northwest (Gravity Falls)
 * Drake - Mr. Ross (Regular Show: The Movie)
 * Rocko - Star Butterfly and Marco Diaz (Star vs. the Forces of Evil)
 * Timmy - Buster (We're Back! A Dinosaur's Story)
 * Petra - Kessie (The New Adventures of Winnie the Pooh)
 * Beany - Nemo (Regular Show; OC)
 * Chubby - Soos Ramirez (Gravity Falls)
 * Gentroo - Drago Bludvist (How to Train Your Dragon 2)
 * McCallister - Blind Ivan (Gravity Falls)
 * Priscilla - Joy (Inside Out)
 * Pola - Sadness (Inside Out)
 * Gwynne - Disgust (Inside Out)
 * King - North (Rise of the Guardians)
 * Magenellics - GoGo Tomago and Honey Lemon (Big Hero 6)
 * Royal - Stoick (How to Train Your Dragon)
 * Chinstraps - Snowgies (Frozen Fever)
 * Scrawny - Wasabi (Big Hero 6)