"A great darkness surrounds your adversary, preventing me from seeing clearly.... I can only make out the shape of a black cloak."
— Oracle, King's Quest VI
Harry: What's under a Dementor's hood?
Lupin: Hmmm...well, the only people who really know are in no condition to tell us.
Does the Grim Reaper know you raided his wardrobe?
— Rex, Yu-Gi-Oh!