Grey is an opponent of WEEK 6 Deadly Delusion and is a surprise opponent in 7th WEEK at the last song. He's a murderous psychopath crewmate set on the wrong path to be a cold human killing freak. His main goals were to kill any breathing person on his way after his mother's call.
Trivia:
Grey has never believed in Santa Claus or the Tooth Fairy.
Grey has no idea that Black and White are not his biological parents.
Grey has Airborne allergies.
Grey sometimes plays video games with black.

IT'S TIME FOR YOU TO DIE!