Harimaron is the Japanese name for Chespin, a Pokémon from Pocket Monsters (Pokémon). It is a small, grass-type starter Pokémon introduced in the Kalos region. Harimaron is known for its cheerful, energetic personality and its chestnut-like shell, which it uses for defense. In the series, it serves as one of the potential partner Pokémon for Trainers beginning their journey, representing the grass-type choice among the region’s starter trio.