Board Thread:General Discussion/@comment-24.177.92.115-20131108210331/@comment-24207729-20131124024234

24.6.80.159 wrote: Pearl has her...pearl on her head which probably symbolizes her being extremely rational and logical

It may also symbolize a hightened sense of spiritiuality, like in the Hindu religion. She seems to be the most "in-tune" with mystic forces, while also being the most logical.