Dave Touretzky's Gallery of CSS Descramblers mentions Charles M. Hannum
and NetBSD:

  http://www.cs.cmu.edu/~dst/DeCSS/Gallery/
  (look for "Tiniest known C implementation" or the rodent picture)
                                    
and this makes him a celebrity: 

  http://www.theregister.co.uk/content/4/17568.html