Mewtwo is the central cloned creature in Pokémon: The First Movie.
The 1998 Japanese film and its 1999 English release tell the story of Mewtwo, a genetically engineered Pokémon created from research involving Mew. Mewtwo struggles with questions about identity, purpose, and whether a clone can surpass its original.
Mewtwo invites powerful Trainers to a remote island, where the film builds toward battles between original Pokémon and cloned versions. The story gives the character a more complex role than a simple villain, especially as its anger develops into a challenge to human control and scientific exploitation.
Mew is the original mythical Pokémon connected to Mewtwo’s creation, which is why the two names are often mixed up. Ditto is known for transformation, while Genesect is another artificially modified Pokémon from a different story.