At least, you know, that's what I assume. What's the appeal? Who knows? Maybe it's because the closest most of us ever get to showing dazzling agility while wearing black silk pyjamas is not spraining something while attempting an erotically adventurous manoeuvre on our wedding anniversary. I mean, obviously, they literally get away with murder - that's pretty much their job - but, in gamey terms, their hooded presence has fooled many of us into giving certain series rather more of our affection than they strictly deserved.