The March issue of CoroCoro and the Official Japanese Movie 11 website officially unveiled Shaymin as well as a second form for Giratina. The full title of the next movie was also announced and as expected it is entitled, 'Pocket Monsters Diamond and Pearl - Giratina and the Sky's Bouquet: Shaymin'. Shaymin will make its anime debut in the 11th Pocket Monsters movie which will be released in Japanese theaters on July 19th, 2008.

Shaymin is a small, white hedgehog-like creature. It appears to have grass on its back instead of quills, as well as a pink flower by the side of its face. Shaymin is the shortest legendary Pokemon to date. According to Japan's CoroCoro Magazine, Giratina has two forms. The first ("Another Form") is the form we see in Pokemon Diamond and Pearl, and the second is a new "Origin" form which will debut in Giratina and the Sky's Bouquet: Shaymin; it uses this form when travelling through different dimensions. The "Origin" form of Giratina is 6.9m and 650kg, while the"Another Form" is 4.5m and 750kg.

Sources: Bulbapedia & Official Movie 11 Website