Oh-- yes. You're new and there's upwards of seven-hundred species to keep track of, of course you wouldn't know. Let me demonstrate.

[He pulls a Pokéball from the strap across his chest. Out of it pops this fuggin thing. There's a pronounced smile and a beauty mark on the mask that adorns her forehead.]

It's worth noting that 'ghost' is very loosely defined here. Very few Ghost Pokémon are actually human souls inhabiting a new form after death. Mallory is, but Samhain is not, and neither are any of the other ghosts I care for -- or at least, they haven't told me if they are.

[Mallory waves two of her four big ghostly hands. Hi, new buddy! She totally used to be a person and she's not even mad about it!]