"Yeah, I have to agree. I mean, when I first came through I thought the whole 'lizard person' thing was going to be something I had to keep secret, but I figured out really quickly that no one has an issue with it."

Starting with his roommate, but it was pretty obvious that it was true of the natives as well when he saw Grievous walking around in his natural cyborg body. He pretty much stopped caring who knew after that.