Most of the ghosts I've met - the ones with trainers - are about the same. They like people, and goofing around.

[More than scaring them, anyway.]

[Haunter flips over, once the leaf is accepted, sitting on the ground with its stubby legs poking out. Kicking them delightedly in the straw on the ground.]

Can you go check it out, please, Haunter? We don't want the little guys getting scared.

[Then it pops up, salutes, and backflips away.]