Initially Hungarian but AFAIK he has US citizenship, maybe dual?
Key Wiki has excellent info on the - he’s so much worse than vermin, I’ll have to think of a good noun.
http://keywiki.org/George_Soros
Reeking droppings from a rabid bat?
Infernal refuse rejected by Beelzebub?
Soros ... demonically animated slug poo from hell’s lowest cesspool.