What is the rarest Mythical Pokémon?

What is the rarest Mythical Pokémon? Mew. Mew, also known as the “Ancestor of all Pokémon,” is considered the rarest Pokémon of all. It is a kind and powerful being that in the movie Mewtwo Strikes Back saves Ash and all the other Trainers invited to New Island.

Mew. Mew, also known as the “Ancestor of all Pokémon,” is considered the rarest Pokémon of all. It is a kind and powerful being that in the movie Mewtwo Strikes Back saves Ash and all the other Trainers invited to New Island.