Actually, I suppose it's entirely possible that you just tune out Pokemon related information, maybe you don't care that (for example) Rotom is an Electric pokemon, so Ground based attacks should be a good match, but since he is also a Ghost he levitates - making him immune to that class of damage. I keep saying he, even though it is basically a cloud of friendly, forking electricity. If he has a penis - and I don't know that science can even determine that - it must be a writhing, nightmare thing.