Like the Hunchback of Notre-Dame or the Phantom of the Opera, Hugo lives a secret life in a public place a rubbishy room up in the clockworks, where he tinkers with inventions old and new.
It has been nominated again this year and is up against Billy Elliot the Musical, The Phantom of the Opera and Wicked for the BBC Radio 2 Audience Award - the only Olivier voted for by the public.