Igor: You don't seem like you'd be very mobile.
Door: Duh, I'm a door.

Igor: Yes, well, my question is, well, where did you come from?
Door: What kind of question is that?

Door: I'm a monster. We spawn all over the place randomly.
Door: It's how the world works, y'see.

Door: Unless... unless you're trying to defy nature or something!
Igor: What, and you're natural?