Don't say his name too much or he will magically appear....
He visited here before, and can come again AFAIAC, but I don't think it would work out with the thread youngling...
No real rules other than then to show your face once, and even that is not really enforced....
I don't think we want/need those hefty discussions you can find in a lot of ohter threads, over here. This is a comfy place, fun, relax.