Characters with The Researcher Enneagram Tritype
Anime
Characters who have The Researcher Tritype from enneagram according to Personality Database.
The Researcher Tritype®: 145, 154, 415, 451, 514, 541
To see more Type 1 characters, check:
https://myanimelist.net/stacks/48656
To see more Type 4 characters, check:
https://myanimelist.net/stacks/48607
To see more Type 5 characters, check:
https://myanimelist.net/stacks/48663
P.S. - Yes, I am biased for my own tritype. And sorry, I do not plan on making interest stacks for the rest of all the other main 26 tritype groups since it requires A LOT of time, effort, and research (pun not intended 😛).
The Researcher Tritype®: 145, 154, 415, 451, 514, 541
To see more Type 1 characters, check:
https://myanimelist.net/stacks/48656
To see more Type 4 characters, check:
https://myanimelist.net/stacks/48607
To see more Type 5 characters, check:
https://myanimelist.net/stacks/48663
P.S. - Yes, I am biased for my own tritype. And sorry, I do not plan on making interest stacks for the rest of all the other main 26 tritype groups since it requires A LOT of time, effort, and research (pun not intended 😛).

TV, 2004,
74 eps
Me:-
Author:-
Johan Liebert: 5w4 - sx/so - 541
Franz Bonaparta: 5w4 - so/sp - 514
Hans Georg Schuwald: 1w9 - sp/so - 145
Reinhard Dinger: 1w9 - sx/so - 145
Franz Bonaparta: 5w4 - so/sp - 514
Hans Georg Schuwald: 1w9 - sp/so - 145
Reinhard Dinger: 1w9 - sx/so - 145

TV, 2017,
12 eps
Me:-
Author:-
Phosphophyllite (Lapis): 5w6 - sp/so - 514
Phosphophyllite (Human): 5w4 - sp/sx - 541
Phosphophyllite (Human): 5w4 - sp/sx - 541

TV, 2016,
22 eps
Me:-
Author:-
Rei Kiriyama: 5w4 - sp/so - 541
Touji Souya: 5w6 - sp/so - 514
Touji Souya: 5w6 - sp/so - 514

TV, 2013,
75 eps
Me:-
Author:-
Furuya Satoru: 5w6 - sp/so - 514
Kominato Haruichi: 4w3 - sp/so - 451
Kominato Haruichi: 4w3 - sp/so - 451

TV, 2015,
13 eps
Me:-
Author:-
Reina Kōsaka: 4w3 - sx/sp - 415
Motomu Tsukinaga: 4w5 - so/sx - 415
Mirei Suzuki: 1w9 - sp/sx - 145
Noboru Taki: 5w6 - sp/so - 514
Motomu Tsukinaga: 4w5 - so/sx - 415
Mirei Suzuki: 1w9 - sp/sx - 145
Noboru Taki: 5w6 - sp/so - 514

TV, 2019,
14 eps
Me:-
Author:-
Ferdinand: 5w6 - sp/so - 514

TV, 2016,
13 eps
Me:-
Author:-
Shoto Todoroki: 1w9 - sp/so - 154
Hikage Shinomori: 1w2 - sp/sx - 154
Hikage Shinomori: 1w2 - sp/sx - 154

TV, 2016,
13 eps
Me:-
Author:-
Michiru Kaioh (Sailor Neptune): 1w9 - sp/sx - 145

TV, 1986,
114 eps
Me:-
Author:-
Virgo Shaka: 1w9 - sp/sx - 145
Abel: 5w4 - sp/so - 541
Pisces Cardinale: 5w4 - sp/sx - 541
Abel: 5w4 - sp/so - 541
Pisces Cardinale: 5w4 - sp/sx - 541

TV, 2002,
50 eps
Me:-
Author:-
Gilbert Durandal: 1w9 - so/sp - 145
Rey Za Burrel: 5w6 - sp/so - 514
Rey Za Burrel: 5w6 - sp/so - 514

TV, 1992,
46 eps
Me:-
Author:-
Michiru Kaioh (Sailor Neptune): 1w9 - sp/sx - 145

Movie, 2023,
1 ep
Me:-
Author:9
Great-Uncle (Oūji-sama): 5w6 - so/sp - 514

TV, 2023,
12 eps
Me:-
Author:-
Tilty Claret: 5w4 - sx/sp - 541

TV, 1978,
35 eps
Me:-
Author:-
The Little Prince (the book itself): 4w5 - sp/so - 415
https://www.personality-database.com/profile/882295/the-little-prince-the-book-itself-the-little-prince-mbti-personality-type
https://www.personality-database.com/profile/882295/the-little-prince-the-book-itself-the-little-prince-mbti-personality-type

TV, 2020,
13 eps
Me:-
Author:-
Edgar Allan Poe: 5w4 - sp/sx - 541
Ryuunosuke Akutagawa: 4w5 - sp/sx - 451
Ryuunosuke Akutagawa: 4w5 - sp/sx - 451

TV, 2018,
26 eps
Me:-
Author:-
Yusuke Kitagawa: 4w5 - sp/sx - 451
Justine: 5w6 - sp/so - 514
Justine: 5w6 - sp/so - 514

TV Special, 1981,
1 ep
Me:-
Author:-
Victor Frankenstein (original novel version): 5w4 - so/sp - 514
https://www.personality-database.com/profile/5140/victor-frankenstein-frankenstein-mbti-personality-type
https://www.personality-database.com/profile/5140/victor-frankenstein-frankenstein-mbti-personality-type