Rin @MasterJM_09 #411071038

8 October 2017

account created (per Roblox API)

8 Sept 2026, 10:54

last measured (UTC)

Username record

@MasterJM_09 — observed 8 September 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

Groups owned (as measured)

General Student Council - Project Kivotos#295942063

My Fan group and more!#5411524

8

Greywell Security Consulting#128441714

6

Full Zenith Works#35705224

6

New People's Party of Nevada#15695180

3

Silverback Repeating Arms#33042398

2

Gehenna Academy - Project Kivotos#232887970

2

Arius Branch School - Project Kivotos#392448583

1

SRT Special Academy - Project Kivotos#776786884

1

Kronos School of Journalism - Project Kivotos#284833040

1

SCHALE - Project Kivotos#801717719

1

Trinity General School - Project Kivotos#220340091

1

Abydos High School - Project Kivotos#103922679

1

Wild Hunt Academy of Arts - Project Kivotos#873763503

1

Shanhaijing Senior Secondary School - PKT#140250558

1

Red Winter Federal Academy - Project Kivotos#807940467

1

The Red Army [Anomic]#15688818

1

Hyakkiyako Alliance Academy - Project Kivotos#1018583812

1

Highlander Railroad Academy - Project Kivotos#724884548

1

Valkyrie Police Academy - Project Kivotos#1049003159

1

Millennium Science School - Project Kivotos#307341860

1

Odyssey Maritime School / OMS - Project Kivotos#537694999

1

Kisaragi-no-kuni Shogunate#902487184

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Chillz Studios#2782840 · 🌟Royal Member🌟

Sol's Studio#8509669 · [Gamers]

Car Crushers Community#2726951 · Skilled Crusher

Rubicon South#959433345 · Member

Pilot Training Club#2794513 · Airline Pilots

USSF - United States Special Forces#22025 · [6] Staff Sergeant

Pinewood Builders#159511 · Member

uma racing Community#376874468 · Member

Virtual Valley Games#1241210 · VVGer

Car Crash Simulator Official Group#3338997 · Fan

SEA Military#2648601 · [MR3] Petty Officer

Innovation Inc.#157764 · Member

Blox Studiо#4843020 · Member

むありあ放送局#15434573 · ゲスト.

Defoko's Lab#914246270 · Test Subject

generic roleplay gaem fanclub.#5574524 · fan.

[TCU] The Computer Union#8513762 · Civilian

Ninestar Games#11300992 · Member

Pile of Garbage#17306947 · Litter

memes studioz#32429008 · known people

The Glorious Robot Army#11872496 · [1] Troop

Dev Noob Studios#34131223 · Member

Obakyu Electric Railway official community#32691673 · メンバー/Member

Pinewood Builders Security Team#645836 · Trainee

Plasma Inc.#4192306 · Member

「SBO:R」Sword Blox Online: Rebirth#5683480 · Community

Survive Homelander Community#32964299 · Member

Secret Monkey Squad#16977407 · Member

Innovation Security#901313 · [LR]In Training

Black Eagle Industries#447846 · 🐤 Player

Pinewood Emergency Team#2593707 · Rescue Hero

Runker#4575704 · Member

Black Cat 1984#11355618 · Regulars

Grand Hawk Studios#13466988 · Booster

[PET] Hazmat Team#4246813 · Hazmat Trainee

The Mayhem Syndicate#4890641 · Recruit

[PET] Fire Team#4246810 · Firefighter

Pinewood Builders Aerospace#926624 · Member

AniPhobia Studios#10668871 · Verified

[PET] Medical Team#4246815 · Medical Team

Polarstar Studios#5615635 · Members

Plasma Security Division#5114770 · Trainee

[大日本帝国軍]Imperial Japanese Army#14557011 · 二等兵

SCP: Broken Dawn#16196784 · Member

H&K GAME#787681760 · Member

좀비 시티 [Zombie City]#12176173 · 멤버 [Member]

「SBO:R」The Black Knights#5717222 · Members

OP//RED_ARCHIVE#6359563 · 9th Fleet Helper

Shin Taisen Works#35981642 · Known Gang

[SEA] United Nations Peacekeeping#32735663 · [VOL] Volunteer

Ecliptics Studio#34496477 · testers

Girls und Panzer |Tankery|#6459634 · Guest/Signed Student

[SEA] Scuba Operations#15118555 · [OR-2] Junior Operative

DZR:F Group#16538818 · Player

JK Tactical#6745530 · Recruit

Archives Games#16053665 · Developer Team

Mxtcha's Goofy Shop#10300254 · 𝕄𝕖𝕞𝕓𝕖𝕣

| Armed Forces Of Dominia |#366836384 · │Civilian│

[SEA] European Union#16443358 · [R] Recruit

Da Pink Peoples#7758284 · ♡ Pink People ♡

TECHA#13537740 · 𝐿𝑜𝓎𝒶𝓁 𝒸𝓊𝓈𝓉𝑜𝓂𝑒𝓇

CLOUDX GUILD#4822750 · [E3] Corporal

Ellison Technologies#34417970 · Research Associate

Potato Corporations#14022549 · NOTICED🥔

RYOTOS28 WORLD NETWORK#591649671 · Operator

Soulars_ Stream#2976939 · Friends

Joman's Hangout#7232658 · General

Anomic Insurgency#11590630 · Junior Insurgents [LR]

EpicBlox Ent#5535813 · Youtubers

MaDZKoolAid Clothing Store#16507879 · Customer

addison friends#6876547 · addison's friends

ＷｉｌｌｏｗＴｒｅｅＨｏｕｓｅ唄安#11931773 · Member

The Uni Fortnite squad#5659513 · Member

Felix's forest#10458224 · Silly ¡! ❞

BahBinka Family#7596406 · Member

Mechty Project#383147046 · Developer

Multimedia Games Presents..#34234935 · Developer

The heavens of jflower#12917779 · Member

The-Step-chickens#6396533 · Peasant rank fr

Furbdbxb#33546662 · Member

Darkbluejm's Group#4180685 · no love member!!

[SEA] Rangers Regiment#33512574 · [🔑] Enlisted Soldier Key

9

my brother forced me to make this#11043315 · Member

8

Fox's Gaming Group#7598512 · Member

7

Strawberry Dinosaurs#10456184 · Member

6

Roblox_Police your local enforcers#12222528 · Captain

5

Anomic Insurgency Red Guard#14193776 · Red Guard

5

『CXG』Research and Development#6622097 · Test Subject

4

Dogs are the best cutest thing in the world#16236735 · Member

Membership and rank as measured from this user’s public group list.