I am:
Classical
A Phlegmatic (vs. Choleric, Melancholy, or Sanguine)
Myers-Briggs / Keirsey
INTJ, can be ENTJ on the job
Enneagram
Type 5 “The Observer” motivated by the need to know and understand, to be self-sufficient, to know the right thing to say and do.
MMPI
Have to dig this up somewhere, but it would be very old!
Russell Yee 