They could possibly be the most famous couple of all time!

Forget Sunny and Cher, Simon and Garfunkle, Meghan and Harry, Cleopatra and Mark, I’m talking about the Grey and the Chrome Ball.
If you are wondering why you keep seeing the Grey and Chrome ball in so many CG renders, here is a little rundown on the @cave_academy Wiki on why they are rarely apart:
https://caveacademy.com/wiki/onset-production/data-acquisition/data-acquisition-training/the-grey-the-
chrome-and-the-macbeth-chart/