And if you let slip something really embarrassing, you don't have to run away and hide for 10 years but can come back in a week with a new name.

I think Bill D and McGrath are suggesting that by adopting "Santa" I am implicitly claiming some of the more positive connotations of the name. I suppose that might be true: however the name was chosen purely on the grounds of superficial physical resemblances. I would like to make clear that I do not climb down chimneys, own any kind of reindeer driving licence, and am limited on the number of sherries and mince pies I can consume in an evening. Nonetheless, offers of the latter are gratefully accepted.