Grandpa MBTI Personality Type
Personality
What personality type is Grandpa? Grandpa is an ISTP personality type in MBTI, 9w8 - sp/sx - 954 in Enneagram, in Big 5, in Socionics.
Biography
For anyone having trouble on how they can type these people you can try using the Granny wiki right here: https://granny.fandom.com/wiki/Category:Characters
