Who do you prefer?

Let me know your thoughts! This question is not really about number of cases they solve or kind of mysteries they solve or how grand the mystery is. More about the vibes they give, the personality they have and how they solve the mysteries.

I've deliberately left out Mr Quin, Parker Pyne and Tommy and Tuppnece for now because I think they are a category of their own and they are often overshadowed by these two. Thinking of creating a separate poll for them