I can understand the Revan mask thing, but not the Nihilus mask. I mean, how does that make sense? Besides, the Exile can't be wearing Revan's skull, so that's not an option.
"Grant Allen [...] had written a book about the Evolution of the Idea of God. [...] it would be much more interesting if God wrote a book about the evolution of the idea of Grant Allen." ~ G. K. Chesterton, The Everlasting Man