With one movie he can make a billion dollars. But the next can flop dismally. Of all the Hollywood directors, no one who wants to keep hold of their money would bet on Tim Burton. His iconoclasm might be what endears him to cinema-goers, but big studio accountants will probably warn against saying his name three times in the mirror. Image credits: Disney/Warner Bros/Fox/Buena Vista/Rex Features/The Weinstein Co.