I think the general explanation is that people who are in the credits get a personality. ;-) As far as I remember, there's not really an exploration on the larger scale of what happens to people when they get vamped, and how much of their original personality they retain. We do get to see quite a bit about specific characters, though.
Are you planning to watch Angel as well? The spinoff picked up at the beginning of Buffy's fourth season, and there are a few crossover episodes.
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Date: 2006-07-31 08:25 pm (UTC)Are you planning to watch Angel as well? The spinoff picked up at the beginning of Buffy's fourth season, and there are a few crossover episodes.