Gengar (Japanese: ゲンガー Gangar) is a dual-type Ghost/Poison Pokémon introduced in Generation I.
It evolves from Haunter when traded or when exposed to a Linking Cord. It is the final form of Gastly.
(Refer to Game data→Evolution data for more details.)
Gengar has two forms:
It can Mega Evolve into Mega Gengar using the Gengarite.
It can Gigantamax into Gigantamax Gengar if it has the Gigantamax Factor.
In a world with fantastical creatures known as Pokémon, a young boy named Red sets out on a journey to challenge the 8 Gym Leaders of the Kanto Region and become the very best, like no one ever was.