Let us try being the Blue Guy once more.
Ah, there we go. It seems like the final member of our initial half-group is available to us, at last.
As we've seen, he is one of the two aforementioned BLUE GUYS. We are not yet in a position to reveal his true name — that comes later — but the nondescript moniker fits him just as well. Or so he would think.
Truly a pity. Regardless, we will have to patiently wait for when the opportunity for a formal introduction presents itself. For now...