One in particular stood out: BB-8, a beeping, free-rolling, orange and white ball with a little half-sphere hat.
But BB-8 was complicated. During the filming of the movie, it was a prop built on rollers and controlled by a puppeteer, he said.
You would see this guy pushing BB-8 around, actually controlling BB-8, but he gets the equivalent of airbrushed out, Mr. Iger said.