Stormy a.k.a. "The Mighty Storm Unicorn", appears in the movie "Mia and Me: The Hero of Centopia".
He banned himself due to a mishap as he fears the anger of the other unicorns and now lives on a far away island that is covered in storm clouds.
He started collecting treasures and owns the Emerald of Hope that gave him the ability to speak.
He dislikes to be called "Ponycorn".