John

One of the personalities I admire in the world of art (in this case music) is John Lydon (sometimes known as Johnny Rotten), great text writer and musical innovator. Although his irascible character may often put him in trouble it seems like he's having a good purpose regarding folks, government staff excluded. His way of behaving puts him therefore in some specific role of "a difficult one". But what I love about (especially famous) people is their auto irony. In his case the commercial he did for a brand of butter. Good move.