CoroCoro, a Japanese magazine, has had excerpts of an upcoming issue leaked. It reveals some interesting information regarding Zygarde as well as the forms he can take. According to the leak, Zygarde will have a 10% form, 50% form, cell form, and perfect form. The different forms will not change the fact that Zygarde is a Dragon/Ground-Type Pokemon. The leak also reveals an interesting picture of what appears to be a new form of Greninja, labeled Ash Greninja, due to its similarity in appearance with Ash’s clothes. The new Anime will be named Pokemon XY & Z that will start airing on October 29th.
If you would like to view the leak for yourself, including pictures, please follow the source link.