"Childermass will do," is the name he'll offer. It's not his full name, but there's only one person in the carnival who even bothers to use that and even that's a little weird, to be quite honest. Besides, handing out a full name to dangerous looking people in a faerie realm is, in retrospect, likely a bad idea.

"So what is the story with your eyes, if it isn't magic?"

There, next question asked. He'll take the chance to lean back in his chair and clear out his own glass of whiskey while waiting for an answer.