Haunter

Haunter is a mischievous ghost Pokémon with a playful personality. It enjoys playing pranks on people and can become invisible to avoid detection. Haunter is also capable of possessing people and controlling their movements. However, it is not malicious and will usually leave its victims alone after a short time. Haunter is a powerful Pokémon and can be very dangerous if provoked. It is capable of using its gaseous body to form sharp claws and teeth, and it can also drain the life energy of its opponents. Haunter is a valuable asset to any trainer, but it is important to use it responsibly.