Hillary Clinton, who is soon to be appointed Empress (or Empress) of the American Empire, commented her attitude towards Putin and went kindergarten on him, resorting to name-calling - in her view he's a "hooligan".
http://www.forbes.ru/news/310509-khillari-klinton-sravnila-putina-s-khuliganomWell, I know for a fact that Putin will not stoop down to her level and start calling her names, but there is nothing that says that we can't have some fun. And, besides, giving "middle-names" seems to be an American tradition anyway.
All politicians is a fair game, and then only thing I'd ask, is to give a very short justification for your choice.
Seeing as Hillary started it, let's start with her:
Hillary "Butcher" Clinton - for her (and her husband's) work in performing the genocide of the Serbian population of Yugoslavia.
Victoria "Cookie" Nuland (nee Nudelman) - for her promotion of "democratic" cookies on Maidan, which lead to the destruction of Ukraine. She is also vying for another middle-name - "Bully" - for her actions in Odessa, when she was an exchange student there in 1982 (
https://futuristrendcast.wordpress.com/2015/05/15/real-source-of-victoria-nulands-russophobia-exceptional-american-in-1982-soviet-odessa/)
Joe "Wormtongue" Biden - for the dual standards and spreading of poison in international relations.