Headmaster Hammer MBTI Personality Type
Personality
What personality type is Headmaster Hammer? Headmaster Hammer is an ISFJ personality type in MBTI, 9w8 - - in Enneagram, in Big 5, in Socionics.
Biography
Cooling wood Hammer is the Custodian and Headmaster to Gotham Academy, first appearing in Gotham Academy #1 (December 2014). He is also known by the alias Hammerhead.
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