It's poor judgment', said Grandpa 'to call anything by a name. We don't know what a hobgoblin or a vampire or a troll is. Could be lots of things. You can't heave them into categories with labels and say they'll act one way or another. That'd be silly. They're people. People who do things. Yes, that's the way to put it. People who *do* things.

The Stories of Ray Bradbury (ed. Alfred a Knopf Incorporated, 1980)