Fan Casting Cut the Rope: The Movie

This is "Owen Park", a young boy who one day while packing came across the "magical" crown that his father had given him. When he put on the crown he was immediately transported to a magical and colorful world while the most famous creature in that world was brought to the real world... Owen and Om Nom changed positions! Now om nom will go in search of Owen's father while Owen will go in search of the creator of the crown, so that they both return.