A Koch brother tweeted a photo of himself dressed up as Darth Vader. Bernie Sanders had the best response.

Behold, a Halloween costume almost too good to be true:

When you’re the only one in the office in a costume this morning. #HappyHalloween pic.twitter.com/vJLQ28xizk

— Koch Industries (@Koch_Industries) October 31, 2016

Yes, you're seeing that right. That is indeed one of the Koch brothers — the billionaires known for wielding outsized political influence — dressed up as Darth Vader, a costume Gizmodo pointed out might be "just-a-little-too-on-the-nose."

If Charles Koch dressed as a Sith Lord wasn't enough of a Halloween treat, Sen. Bernie Sanders (I-Vt.), the one-time Democratic presidential candidate known for his relentless battle against wealth inequality, tweeted this in response:

.@Koch_Industries Our great nation can no longer be hijacked by right-wing billionaires like the Koch brothers. pic.twitter.com/svvNE1gdJE

— Bernie Sanders (@BernieSanders) October 31, 2016

Now that would be a lightsaber battle for the ages.