[No shh, little guy he thinks you're cool just the size you are! Don't give him that look.]

Yup! There are all sorts of type combinations with ghosts. [He starts listing combos, counting off on his fingers.] Ghost/water, ghost/ground, ghost/dark, ghost/poison, ghost/flying, ghost/bug...you get the idea. Actually, most ghosts are dual-typed. In fact, there are only four pure-ghost lines.