Rinkus and Sierra

Rinkus and Sierra are the two evil flying dinosaurs in Pooh's Adventures of The Land Before Time VII: The Stone of Cold Fire. They were once sidekicks of Pterano until they betrayed him.

Trivia

 * Rinkus and Sierra will become the enemies of SpongeBob SquarePants, Mickey Mouse, and Bugs Bunny in SpongeBob's Adventures of The Land Before Time VII: The Stone of Cold Fire.
 * Rinkus and Sierra will become the enemies of Bloom and Brer Rabbit in Bloom's Adventures of The Land Before Time VII: The Stone of Cold Fire.
 * Rinkus and Sierra will make their first guest appearance in a Land Before Time crossover film to get their revenge on Littlefoot and his friends in Littlefoot's Adventures of The Pebble and the Penguin.
 * Rinkus and Sierra will get their revenge on Littlefoot and his friends again in Littlefoot's Adventures of Aladdin and the King of Thieves, Littlefoot's Adventures of Free Willy 3: The Rescue, and more.