Ash Ketchum’s 10 Best Pokemon Teams, Ranked Ranking Ash’s 10 best and/or most memorable Pokémon teams is no small task, with some absolute heavy-hitters joining his roster over the years.

However, the first Pokémon Ash caught in Johto was Heracross, who he practically never kept on his main team. As a result, Bayleef became Ash's signature Johto Pokémon.

Ash has teamed up with several powerful Pokémon, yet in some cases, he never catches the Pokémon he befriends.