Blue enjoys antagonizing people. She is just the kind of person who will tease her captors when vastly outnumbered and locked in a big cage. The Grey Grumbles are not very intelligent, though, so they are easily provoked. Black and White, though, are much harder to get to show emotion, even when they are turning into monsters and punching things. I mean, that’s probably because their only facial features are eyes, but there are other people like them later on who are a little more animated.