What are the fastest Ghost type Pokémon in generation 5?

Question

I'd like the top five along with their respective speed stats. These five can be from any of the first five generations.

Answer 1

Arceus (120), Gengar (110), Froslass (110), Mismagius (105), Haunter (95)
source: entering "/ds5 ghost type,speed>=95" in a chat room