He was named Rufus because he liked being on a roof.Going up the stairs, the steps synchronized with the clock.
There was a boy who spent time in that house, he heard the sounds of the money jingling in the old man pocket with each steps.
One night their was no sound, simply because the old man had no money to go out any longer. So the boy sang a click clack song.
Much later he understood that sometimes the stupidest things could be the nicest.