During the creation of BricketBot, we encountered many of the underlying
ideas behind creating interactive characters. The first time I added a
hello message to BricketBot, Lisa reacted that "she wouldn't say it that
way!" - Lisa had a clear picture in her mind of the type of person BricketBot
was (beyond the fact that it was female). Anything outside of that
image would ruin the interaction for her. This idea of consistency is one
of the cores of creating animated characters (virtual or not). Animated
characters must be consistent in their actions, or they risk destroying
the tenuous relationship with the audience. Similarly, Lisa insisted that