The Best Ghost-Type Pokemon of All Time

"This greatest Ghost type Pokemon lists takes Pokemon from every generation into account, so you can vote on everything from Gengar to Dusknoir. Ghost Pokemon are fairly rare in the Pokemon universe, as there are fewer of their type then any other in the game. Statistically speaking Ghosts are usually used for their effects on other Pokemon, such as putting them to sleep or paralyzing them."credits go to Ranker.com