The name of the forest moon as "Endor" seems to have been interchangeable with the name of the larger planet, also known as Endor.
The clip that got released today was one of the most remarkable things I’ve seen leading up to the movie. And it already explains a great deal.
I watched some of the "blue carpet" premiere show on the Star Wars YouTube channel last night, and I'm pretty sure I saw him taking a picture with Ian McDiarmid at one point. It looked like a fantastic costume, too.