McConnell or Murdoch are the most destructive, though I see them more as amoral and self-interested than morally evil.
There are plenty of people who “represent everything wrong with America/the world” but again, I think those are opportunists just working for self interest.
I’m not sure I could come up with who is today’s Moloch.
It’s the best possible way to spot who was the bottom 10% of the high school class.