[Smirks at Sherlock's words. Oh yes. He was definitely going to get along with this guy without any trouble.]

Well I have no intention of handing out a means of murder, that part of my life is behind me. But I'm sure with a few tests and brain scans from JARVIS, I'm sure I could try and knock something up for you to keep you amused for an hour or so.

[His face takes on a curious and vaguely interested expression.]

Jabberwocky. If I remember the book never calls it a dragon, or gives any description of what it is, just how to kill it. Has it ever shown up here?