I wouldn't support Reg or Charles - although the alternatives to a constitutional monarchy seem to be even worse. Having a king seems fairly harmless by comparison to some heads of state in republics.
“That the capital and grand author of our troubles, the person of the King, by whose...
No (not that I'm a monarchist)
There already is a Stuart pretender - another German.
https://en.wikipedia.org/wiki/Jacobite_succession
https://en.wikipedia.org/wiki/Franz_von_Bayern