Which Pokémon leads the research effort in Pokémon Pokopia?

Professor Tangrowth leads the research effort in Pokémon Pokopia.

Professor Tangrowth is a Tangrowth who has taken responsibility for studying the damaged environment and investigating why humans and Pokémon disappeared. The character meets Ditto early in the story and helps direct the effort to restore habitats.

The name can cause confusion because many Pokémon games use human professors, including Professor Oak and Professor Rowan. Pokopia instead gives the research role to a Pokémon, reinforcing the game’s setting in a world where humans are absent. Tangrowth’s title is part of the character’s identity, not the name of a human scientist.