He always describes his characters' voices and their physique so brilliantly. As people have said, they are cartoons, caricatures. They're grotesques really.
He invented this idea of telling the life story of a great writer through becoming his characters and becoming him. It was such a pleasure and I thought we must find another writer.
I get sent a lot of scripts which feature him as a kind of all-purpose Victorian literary character and really understand little, if anything, about him, his life or his books.
When the BBC decided to bring Doctor Who back as a feature film a few years ago, one national newspaper ran a poll to ask its readers who should be the new Doctor, and I topped it.