Tzarvoi

No one knows anything about Tzarvoi, to the point that no one even knows his name, and can only assume his ethnicity.
He is a massive man, absolutely hulking above the average man, but his facial features are completely hidden behind the traditional masks of Tiarovi, and no one has seen him remove it.
He does not speak, nor really make sound, and barely even responds to anyone speaking to him other than the boss.