Finally. You’re the doc, right?
Just “Doc” is fine.
No need to stand on ceremony!

I’m not, and you’re an hour late. Everyone else is inside.

Oh dear. Now I feel like we’ve rather got off on the wrong foot. You’re Double-Oh-Ex, right?

Yes. Please go inside so we can get started.
Wait… how do I pronounce that, anyway? Is it… Oooh-ecks? Or Ooks? Or maybe-

How about I keep a count of every time you make a joke at my expense and then one day, when we’re alone and no one is watching, I break exactly that many of your bones?

I’m… I’m not sure I still have any bones.
Would you like to find out for certain?

Perhaps I had better be getting a move on.
What an excellent idea.