We just sort of call it home and Earth, but I guess it's comic books to some other people here who aren't from where we are. It gets complicated, since there's people who are from other versions of our worlds around.
I'd guess you'd be used to it! I shapeshift, so if I'm something that doesn't have hands, I always end up cheating and change back.
A bunch! They got into the city a while ago, but we got them all out. And I've gone out with the Border Patrol a couple of times, and some of us sort of snuck out to see before that. Which is not recommended because big teeth, but we're dumb like that.