There are many ways to source personalities - from the whimsical, such as tarot cards or the mystical icons from the studies of Joseph Campbell and Carl Jung, to the practical, such as Myers-Briggs and the Big 5 Personality Types. Many people have methodically considered the importance of personality types for professional and organization purposes. Personality types are obviously necessary for entertainment narrative or for the fantastical stories that coalesce ethnic and national identities. How do the personalities in your proximity anchor or dynamically challenge your world view?