Umm... villains of the United States...? I know the US is full of jerks, but I think Villain is a strong word, considering how much the US has helped other countries, expecting little in return. Most countries owe the US millions of dollars and have no plans to repay it.
Not to mention, using the Sailor Senshi, who fight for love, beauty, and justice against the negaverse, people of the negamoon etc. to voice hate against the US is not only uncool, but I think it might be against the rules...