I have summarized as much as I could find since no one else has summarized it.

PS: The Tetris wiki has a summary.Page

Summary of TGM3GM holders

name playername rules Overview
Jin8 TGM(JIN) Classic TGM3 firstGM 2021/12/23 GM re-passed
greentea suitou(Green tea) SGT Classic The person who took the GM of all works
KAN (14) KAN (14) Classic Shadow stuff roll accuracy is abnormal
kevinddr kcb Classic The person who took the GM for the first time overseas
Yoshi100_Aus Yos Classic
EricICX CTM Classic
Hebomai HBM Classic/world Sirase Cleartime world record holder
aur9 AUR world
283 modian 283 world
kitaru2004 KTR Classic/world
q1092360122 AAB world
Kirby703 KRB world
[-Steve-] unknown world

Under acclaimed investigation

As of 2021/12/31

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I referred to this site.