Ash has made countless Pokémon friends on his adventures, but some are often regarded as his most powerful allies.

While it may be some time before the live-action Pokémon series becomes a reality, the original anime starring Ash Ketchum — ...

Ash has met many Legendary Pokémon on his journey, yet very few have actually joined his team.

Ash has more than a few Pokémon which are truly forces to be reckoned with, but which of his rank as the strongest?