From Bulbapedia, the community-driven Pokémon encyclopedia.
(Japanese: ゼロ Zero) is a character who will appear in Giratina and the Sky's Bouquet: Shaymin. His Japanese voice actor is 中村獅童 Shidō Nakamura. He is the main antagonist who wishes to use Giratina's power to rule the world. He owns a robotic maid named Infi who controls his mothership called Megaliba.
This is a listing of Zero's known Pokémon in the anime:
His outfit resembles the design of Giratina.