Tall, and...manly. Made of metal. [A verbal shrug.] They're terribly hostile if the Malnosso want to abduct you for their wicked experiments. They're not so bad if they're serving as support on draft missions---mostly then they'll ignore you, I suppose. But if they want you, there's no escaping them.

[On the last draft, the droids had simply guarded the cargo. They hadn't even responded to any of the living passengers on the ship.]