Sometimes, the temptation to anthropomorphize something is simply too great.
This sign, for example. The rusty crack looks like a frown on a big, moon shaped face. The diagonal shadow, like the slash through a 'no smoking' circle reinforces the sign's forbidding message. The redundant cross bar is like arms drawn by a child, with one side raised just enough to add a touch of menace, like a cocked fist.