Saw this on another website. My choices: Prof Brian Cox, because he would promote scientific research, to the great benefit of us all. Less sensible alternative: Alan B'Stard.
Dame Helen Mirren or Patrick Stewart. They could talk politics for hours and people would actually want to listen.
Can be bring someone back from the dead for this position? If so I vote for Attila the Hun he would soon sort out Johnny foreigner.
I am a self exiled Englishman Who came to live in this foreign land to escape my mad family. (And I am being kind with the use of the word mad.)
If you want someone to deal with your immigrant problem, you can always have Trump if he loses in the US (or if he wins, he can just make you guys an American colony and appoint a "VP, British division" to manage you).
Just remember that climate change denier Trump has been building flood defences at his Scottish golf course