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@JPMasterchief19

@JPMasterchief19 #317323437

547
followers (as measured)
9 June 2017
account created (per Roblox API)
14 Aug 2026, 03:33
last measured (UTC)

Username record

@JPMasterchief19 — observed 14 August 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)

-=Mexican Military WW2=-#3905941
128
-=1st Armoured Division WW2=-#3939221
32
the united states of mexico#3959821
21
-=SHAEF WW2=-#4420420
6
United States Military Headquarters Command#4412476
5
-=United States QuarterMaster Corps WW2=-#4254770
5
-=United State's Military Military Police WW2=-#3816113
4
Office of Strategic Services 1920's#3658460
4
(USM) 𝖴𝗇𝗂𝗍𝖾𝖽 𝖲𝗍𝖺𝗍𝖾𝗌 Marines 1940’s#4087874
4
Western Federation of the American Republic#4517405
3
The Great Allied Powers#621799
3
U.S. Military.#611417
3
-United States Military WWII-#3782447
3
-=Mexican Military Airforce WW2=-#4493516
2
-=Mexican Military Special Forces WW2=-#4558325
2
-=Mexican Military TRADOC WW2=-#4541019
2
U.S. Military Assistance Command, Brazil 1940's#4321626
2
United States Rangers Quartermaster 1940's#3787613
2
-=Mexican Military Police WW2=-#4523686
2
The Great US Military 1940's#4367276
1
Office of the Supreme Allied Commander#4468319
1
-=Mexican Navy WW2=-#4578026
1
-=Mexican Embassy WW2=-#4536651
1
Training and Doctrine Command 1940s  #4087934
1
(USM)Officer Candidate School 1940's#4095550
1
-=United States Third Army WW2=-#4376477
1

Open data

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

Also a member of

United States Army    #3108077 · [E1] Private (Basic Combat Training)
1,429,481
US Military 1940's#2573626 · Private First Class
1,280,105
United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,183,428
United States Military 1960s ᅠ ᅠ#3454445 · E1
960,754
The Robloxian Army TRA#165491 · Recruit
67,326
✪Allied Airborne✪#3579601 · Private
40,352
United States Army            #3095763 · Private
31,515
United States Military 1960s#2551379 · [E1]
26,679
Revolutionary Mexico#869070 · Soldado
25,518
United States Military #32818 · [E1 BASIC TRAINING]
25,218
US MiIitary 1950s#4285550 · Private
16,900
Supreme ‌‌‌Headquarters Allied Expeditionary Force#3006571 · Allied Expeditionary Force
8,392
ᅠThe United States Navyᅠ#3367261 · [E4] Petty Officer Second Class
6,922
The Αmerican Army#2991866 · Militia
3,655
The Special Containment Procedures Foundation‌#3111174 · Personnel - Classification D
3,200
United States Marine Corps   #4112551 · [E1] Private [ Requires Training]
2,906
Exército Brasileiro 1940's#2822620 · Recruta
2,730
The US Μilitary 1960s#4190693 · Private E1
2,664
The UNSC (United Nations Space Command.)#608628 · 〔CIV〕Colonist〕
2,359
Quartermaster Corps 1940's#3773798 · Military Personnel
790
United States Marines 1940's#2661339 · Private First Class
658
United States Army#4188092 · [E1] Private [Basic Military Training]
497
LN | League of Nations#4090251 · Application Process
345
United States 12th Army Group 1940s#3919170 · Private
323
29th Infantry Divіsion#3390786 · Private
313
US Military 1940's  #4121245 · Private
271
United States Army [1940's]#3314674 · Private
264
United States Army   #4236073 · Basic Military Training
250
United States Military {1940's}#3031397 · RECRUIT
205
The Third Army    #4206879 · Private
186
United States Military RSIR#3180426 · GNI | Greatercitizen
161
-=United State's Military WW2=-#3634201 · For Restoration MAJGEN
115
The Imperium of Brunei#4341510 · Citizen
54
The Mexican Armed Forces#789249 · [E-1/OR] Recruit
44
U.S. Military 1944's#3544497 · Private
31
Phantom Carriage#4151433 · Friends of the Director
30
US Military 1940-1945#3881847 · Private
26
The Grand Army of Bremen#2855499 · Schütze
23
United States Marine Corps 1940's  #4124659 · Second Lieutenant / First Lieutenant
23
USM Quartermaster Corps 1940's#4189452 · Military Personnel
22
US Military 1940's ‌#3344154 · Private
21
United States Military 1940s ᅠᅠᅠᅠ#3799772 · Private
21
Underwater Demolition Team 1940's #4093148 · Deputy Base Commanders
12
Mexican Republic 1940's#3612547 · Citizen
10
USM United States Military 1940's#4405944 · Private
4
Officer Ranking System 1944s#4292383 · 2nd Lieutenant
3
The Mexican Militaristic Party#4482797 · Party Cell
2
[77th Infantry Division, 1940's]#4003663 · Division Commanding Officer
1

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