Dr. M. Butler MBTI Personality Type
Personality
What personality type is Dr. M. Butler? Dr. M. Butler is an ISTJ personality type in MBTI, 3w4 - - in Enneagram, in Big 5, in Socionics.
Biography
The warden of Arkham Asylum, Dr. Butler treated Jonathan Cartwright and performed experiments on him using Fear Toxin. In 2020, after Mouse and Alice are both incarcerated in Arkham, Mouse kills him and makes a mask of his head to pose as him.