Tangrowth serves as Ditto’s partner in the opening story of Pokémon Pokopia.
The opening premise brings together a human-form Ditto and a Tangrowth with a distinctive appearance. Their meeting establishes the game’s central partnership: the two Pokémon work together to build a village where Pokémon can live together.
Tangrowth is a Grass-type Pokémon introduced in Generation IV. It evolves from Tangela and is recognized by its dense covering of blue vines. That visual identity makes Tangrowth a fitting companion for a game centered on vegetation, habitat restoration, and the transformation of barren land into a welcoming settlement.
Tangrowth can be confused with other vine- or plant-themed Pokémon, including Torterra, Tropius, and Grovyle. However, those Pokémon are not the partner identified in Pokopia’s opening story. The specific narrative pairing is Ditto and Tangrowth, not Ditto and a human trainer or another Grass-type Pokémon.