kaidan+sam
Probably also not the kind you're thinking of, but yes. Apparently they're really old creatures that God created before humans, but then he trapped them in Purgatory. Shapeshifters, cannibals-- as in they eat themselves, as well as humans-- and really hard to kill.
Or at least that's what I've heard. That's still to come in my future, so I've never met one.
Oh. [...] I can understand that. On a rational level, anyway. The part about being ready to lose him, I mean. Missing people at home makes sense, too.