I’ve just done 5.6 and 5.7 and have been thinking about this notion of round and flat characters. I didn’t buy it completely. We have had literally hundreds of ’rounded stereotypes’ posted, but there isn’t so much discussion of the whole concept, and how easy/difficult it is to create rounded characters. I have had the idea of rounded characters being either ‘hard’ or ‘soft’. The hard ones are like billiard balls. They come into the story, knock against the main character in some way, and then roll out again, unchanged and unscathed. The ‘soft’ characters are those who the main character interacts with, they kind of mould to one another, or dent one another.