: Well, in this case, they were intended to be intimidators, so you could argue
: the skull works (for any humanoid species that looks sorta' like that.)
: But I think it also removes some of the inscrutability and danger from the
: design because it resolves into stuff I've seen before.

"Faces" for whatever reason, seem to be a theme of Forerunner war machines. I mean even in the Bear novels, War Sphinxs have faces. Giant, sentient, space ship mechs with faces. And composed essences inside them.