Pokemon Hats

The five disputed Pokémon, plus Pikachu.

The Disputed McWorld Pokémon were a set of five species that were available as Pokémon Hats on McWorld, a McDonald's website for kids where users could create an avatar (known as an "mPal") and collect various items which could be unlocked through mCodes (generally available through McDonald's Happy Meal boxes). McWorld has long since closed down, however, rendering the codes useless.

While it's not entirely certain what these Pokémon were meant to be, they do bear some resemblance to Snivy, Tepig, Oshawott, Minccino, and Basculin.