A literal carapace designed to repel or repulse.
Surely there is someone in mythology, graphic novels or science fiction who does this in a more than metaphorical way.
I'm not referring to someone who unwillingly suffers this isolation as a side effect of a separate "condition"; I'm thinking of someone who very deliberately wants to keep people at a distance and finds a way of "cocooning" him- or herself from all the messy human stuff.
Can't help but think I'm overlooking someone obvious...any ideas, world?
