Here’s a Drabble (100- word story) for the Halloween season.
Witches can see ghosts, and ghosts can tell whether someone is a witch. But zombies don’t see anyone: they only smell the flesh of the living. Vampires scent blood from a long way away, like sharks, so they too don’t actually need to see. The yeti, being an abominable snowman, is snow blind, while skeletons have dry and empty eye-sockets.
I suppose all these speculations are rather a waste of time. Whichever creature I decide to dress up as for the fancy-dress party, there is no need for me to go invisible. I might as well let everyone see me.