User blog comment:Moonlit Sylveon/Mega Pokémon Ideas -- Which Pokémon deserve a Mega Evolution?/@comment-4129195-20140818131545/@comment-24297983-20140819073102

Well, Giratina is a Legendary. . . Plus he's already an absolute powerhouse in his Origin Forme, and his design is incredible. I don't think Nintendo will make Mega Legendaries, but I guess we can dream. :)