Originally Posted by
Ruck
One more thought on the two eyes thing, re the circus scene:
MitD is pretty nervous about appearing on stage in that scene (see p.83 of Start of Darkness). He has to talk himself up into it, describes a feeling in the pit of his stomach, and says afterward "Sometimes, it's hard being looked at by so many."
Given that, it would make sense for a Protean MitD to try to hold a shape even inside the darkness, not just to look the same as his friends, but also because he's actually uncomfortable with his default appearance and how people respond to it. (Even though he's constantly in darkness and people can't see him anyway-- look, he's new at this whole thinking thing.)
As an aside, I think the Protean also best explains the reactions of the goblin children in the circus scene. "You did the same thing you did every show-- stand out on the stage and get gawked at" is generally not the sort of thing that inspires cheering unless something is actually happening during that process. (It would also explain why the kids like going back every day-- you never know what you're going to get just watching a Protean.)