David Tennant

Unlike other enduring characters such as 'Sherlock Holmes' or 'Tarzan,' being the 'Doctor' allows you a certain freedom that is both very demanding and very thrilling. It allows you to make the character using elements of yourself.

If you were to ask me to pick my favourite author, well, there are so many of them, I'd really just have to say the first names that came to mind, and I'm sure that I'll later think 'Oh, I should have mentioned that one.'