Yup, Catdancer is pretty effing creepy, but strangely alluring.
Also in my experience, and remember I've been with PortCon since the beginning, mostly harmless. He's always been pretty conscientious of others.
The only thing that breaks my heart a little bit when I watch him, is that he knew how to use those Isis wings a bit better.
But on the whole, I enjoy who he is. He's confident in his persona, and believe it or not he's not socially awkward to talk with. The only awkwardness I see is in the folks watching him and not knowing how to deal with him. And that amuses me greatly.