While there are many spooky Pokemon designs featured throughout the Pokemon series, arguably one of the most iconic belongs to Gastly and its evolution line. Gastly, along with Haunter and Gengar ...

giving Gengar a Mega Evolution and Gigantamax form, keeping the Pokemon line fresh. While it remains to be seen if the Gastly ...

The Pokemon has an appropriately ghostly appearance, being primarily made up of poisonous gas. In addition to its spookiness, Gastly is part of an equally spooky evolution line. It can evolve into ...