English thing perhaps - hope Bob's wife doesn't use the forum - St George, patron saint of England killed the last dragon (or so they said when I was in school).

Strange thing is George probably never saw England, might have been in the Roman army around 300AD. The best theory for the legend of the dragon is that the story may be a Christianized version of the Greek legend of Perseus, who was said to have rescued the virgin Andromeda from a sea monster.