What would be a good billionarie fight?

I'm talking gladiator style: to the death. Obviously Dick Suckerberg is gonna thwomp Elon, but which two do you think would have a good, close fight? Here's some of my ideas...

Joe Biden (Soul Eater, 80yo, 6') versus Bill Clinton (Painter, 76yo, 6'2)

Clarence Thomas (Lawyer, 75, 5'9) versus Mitch McConnell (Whiner, 81, 5'9)

Ted Cruz (Serial killer, 52, 5'10) versus Hakeem Jefferies (Senator, 52, 5'10)