Giratina

Giratina is a dual-type Ghost/Dragon Legendary Pokémon known for its ability to travel between dimensions. It has two forms: Altered Forme, which resembles a serpentine creature with six legs and ghostly wings, and Origin Forme, which is more streamlined and dragon-like. Giratina is associated with antimatter and is known for its role in the Pokémon world as a guardian of the Distortion World, a parallel dimension.