I thought, as this is a forum devoted to a fictional character (or set of characters) it might be really interesting to pose this philosophical problem that I had to do some work on last year in a class. It's really really tough, but I am very curious to see what people think. Note I was reminded of this as I used Harry Potter examples in my essay on this subject
The question is how can we even talk about Harry Potter, or Hermione, or Dumbledore and so on. When we say, for example, "There is a book on my desk" the 'book' and the 'desk' correspond to objects - that is the 'book' I am referring to IS the book on my desk, the 'desk' I am referring to IS the desk in front of me. So it can be said that the book and the desk are the referrents (objects of my refering statement) of the statement.
Consider, then, the statement "Harry Potter is in Gryffindor Tower" what is the referrent of 'Harry Potter' here? The answer is - there isn't one - there is no object in the world that my use of the phrase "Harry Potter" can be referrents for. Similarly, there is no referrent for Gryffindor tower.
Anyone see a way out - I am really really curious to see what people think.
PS Sure, I see on a certain level it doesn't entirely matter - but it makes for a great puzzle.