The Cast
Sprout and his friends.
Every friend is drawn from the same locked reference so a child recognises them from the first book to the hundredth. Friends arrive slowly, and no more than two of them appear in one story until Book 50.
0 friends have their design locked. Each description below is the one the production index holds — it is what an illustrator draws from, not a rewrite.
The rules Sprout lives by
These are not style notes. They are what keeps a children's series from quietly rewriting Scripture to make a better scene.