That wasn't Joss, it was David Fury, who invented Quentin and most of what little we know about the structure of the Council from the show, I think including the name "Watcher's Council". Which is why I thanked him psecifically in the notes to All Things Proceed From Passion, in which Quentin ifgures as a major character and the relationship between Giles and the Council in a major theme, particularly in Who Do You Think You Are?. even though there are tonns of other Buffy writers and producers I could have mentioned. And when I say invented... he wasn't even on staff. This wasn't a script Joss or David Greenwald or Marti Noxin gave him to write with the story lined out; he made this shit up and it became so instantly central to canon that I'm convinced the whole concept of the shaddow men and the relationship between the Council's 'creation' of the Slayer and her own natural awesomeness and right to choose rather than being chosen that we see in the season seven story arc results. Which means, there is also NO FIREFLY AS WE KNOW IT without David Fury having interacted with teh Whedonvere in this episode to create this character. Fury is a Major God in my Whedonvrese Pantheon.