Mewtwo is a Psychic-type Legendary Pokémon introduced in Generation I). It is known as the "Genetic Pokémon" and is regarded as one of the strongest Pokémon in the series. Mewtwo is an artificial Pokémon created by a scientist after years of horrific gene splicing and DNA engineering experiments. Its DNA is almost the same as Mews, but its size and disposition are vastly different. Mewtwos abilities include Pressure and Unnerve, and its base stats include 106 HP, 110 Attack, 90 Defense, 154 Special Attack, 90 Special Defense, and 130 Speed.

In summary, Mewtwo is a Psychic-type Pokémon and is not associated with any other type.