4

I guessed that De Sade was number twelve.

Unless, of course, he decided to confuse everyone like Ment did, in my opinion.
As for Lord, I was torn between 3 and 5, because I decided that he would definitely choose a more brutal-looking guy.

Added after 42 seconds
Yes, I also thought that if anyone were to vividly portray themselves, it would be Morny.