Personality tests have been around for quite a while, and many counselors have uncertainty about whether or not personality typing is appropriate for use in biblical counseling. The Enneagram is currently the most popular personality typing system among evangelical Christians. It has been promoted as an ancient tool that contains spiritual wisdom. But what are the theological roots of the Enneagram, and how do these foundations affect the decision to accept or reject the Enneagram? Should Christians embrace and employ the Enneagram as a ministry tool, or are there dangers associated with its use within the church and Christian institutions?