Haunter

Haunter is a Ghost, Poison-type Pokémon from Kanto region. It evolves from Gastly after being fed with 25 candies and it can evolve into Gengar when fed with 100 candies.

Pokédex description
Gas Pokémon

''Haunter is a dangerous Pokémon. If one beckons you while floating in darkness, you must never approach it. This Pokémon will try to lick you with its tongue and steal your life away.''

Evolution family
Haunter is the part of a three-member family.