Torterra is one of Ash's greatest disappointments. It is incredibly sad how much Torterra regressed after evolving.
Gible is a prime example of wasted potential. Gible was the first dragon-type Ash ever caught and is a powerful pseudo-legendary.
Pidgeot was one of Ash's first-ever partners and evolved Pokémon when caught as a Pidgeotto. And yet it was not special at all.
Noivern is a victim of being the second most important Pokémon of the same typing on one of Ash's teams.
Pokémon fans find Butterfree's release to be a touching scene that is unforgettable. But that doesn't the fact that Butterfree.
While clearly done for some comic relief, Totodile was without a doubt a very powerful and capable fighter.
Ash's Heracross is a major failure. Usually, Heracross is a top-notch bug-type Pokémon with incredible attack power.
Torkoal feels like a missed opportunity. Despite being lovable, Ash's Torkoal was nothing more than a crybaby.
When Ash managed to catch a shiny Noctowl back during his Johto journey, it was an exciting moment.
Gengar has taken a backseat to Dragonite and some of Ash's other Pokémon, pretty much making no significant contributions.