Dean lifted an eyebrow. “You mean, like, in the movie?” Before Niles would have a chance to consider the question, Dean realized the improbability he’d have seen it, and he waved his hand.

“Nevermind. No. We normally don’t announce that we’re brothers.” He’d like to say it was because they were just that good, but unless people already knew them, they wouldn’t think Dean and Sam were related.

“We work well together, though.” And that wasn’t a lie. Argue though they (often) did, they had a lifetime of experience and innate trust that made them a great team. He was guessing it wasn't the same for Niles and his brother, but he didn't want to pry.