Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@EfficiencyMatt

@EfficiencyMatt #3367722941

4
followers (as measured)
5 March 2022
account created (per Roblox API)
19 Aug 2026, 09:26
last measured (UTC)

Username record

@EfficiencyMatt — observed 19 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)

Reservatum Imperii Romani#1080756865
54
Imperium Warfare Command#15518055
34
Bloodwatch Legion#11927275
23
[TAF] Imperial Ministry of Justice#15518070
15
lmperial Sentinel#15518065
10
Imperium Legioner#138215613
6
[AGAR] Special Operations Brigade#1039071976
6
Bloodborn Crusaders#15517762
2

Open data

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

Also a member of

크롱 스튜디오#35669818 · 멤버
54,504,466
Nosniy Games#3461453 · Fan
53,024,426
Sol's Studio#8509669 · [Gamers]
12,499,607
Rumble Studios#3333298 · Fan
11,251,553
Double Bandit Studios#13751258 · Bandits
6,287,751
Roblox Building Roleplaying Construcción#10692800 · ⭐️ Owner
3,377,912
Kohaú#4731484 · Customer
2,605,376
|GAR| Grand Army of the Republic |#5214183 · Lance Corporal
1,662,105
United States Armed Forces [USA]#3054949 · [E-0] Basic Training
1,183,264
[CUSA] United States MiIitary#4219097 · [O7] Brigadier General
1,117,562
AFS: Endless#361078446 · Member
978,975
The Nighthawk Imperium#1174414 · | 2 | Enlist
907,287
Highfield City Police Department#6117548 · Police Officer
861,030
United States Secret Serviceᅠᅠᅠ#5856978 · American Citizen
621,877
The First Encounter Assault Recon#72321 · [CIT] Citizen
501,265
The Galactic Empire ‌ ‌ ‌ ‌#3145747 · Cadet
361,438
The Red Cell#3880488 · | 3 | Technician
238,586
United Clan of ROBLOX#18 · [L4] Vanguard
237,488
The Galactic Empire GRW#5298627 · Specialist
227,201
The Galactic Republic GRW#14625178 · Sergeant Major
211,174
Kalako Studios#32303017 · Member
139,196
The Noobic Stratocracy#2704934 · Noobs
132,877
Custom Duels#4560126 · Tier 1
90,518
[GAR] Grand Army оf the Republic#33537532 · ⚪ Republic Military Personnel
75,179
Projеct Discontinuеd#33426357 · Studio Fan
73,708
The Robloxian Army TRA#165491 · Private
67,348
|| Imperial Armada ||#2654474 · [JSM] Junior Seaman
36,427
Snow Core#5665804 · {I} Initiate
27,429
|GAR| Grand Army of the Rеpublic#35093657 · Member
24,938
Age of Dаrkness#32468316 · Excertus Imperialis
24,445
The Hutt Cartel GRW#7219995 · Outlaw
21,858
Reign of Royales#5540551 · [9] Liberator
18,562
Imperial Navy GRW#5298631 · Leading Crewman
17,740
The Republic Navy GRW#16276731 · Naval Cadet
17,574
IITGRAII The Grand Republic Army#4535936 · Cadet
17,437
Nighthawk Reaper Battalion#4734688 · | R | Recruit
17,237
The Noobic Stratocracyᅠ#1008942731 · Stratocratic Civilian
17,230
The New California Rеpublic#15898172 · Civilian
16,982
The Legions of the Republic#366919019 · Unwaved
12,828
TITAN | Military Corporation#6209818 · Access Point - I
11,337
[CW] Grand Army of the Republic#1092793046 · Cadet
10,940
/-\ The Galactic Republic /-\#13467113 · ⚪ RMP - Republic Military Personnel
10,807
The Jedi Order GRW#32422001 · Youngling III
7,116
※ Myth Reserve Forces ※#465503 · Conscript
4,443
Red Cell Chimera#12667702 · | 1 | Novice
3,542
The Special Operations Brigаde#35906476 · 4th Battalion “ Bayouboys “
3,110
Arisaka Corporation#34790113 · Cipher
2,994
Star Wars Quality UGC#34214130 · Member
1,901
Sunwatch#931355145 · Specialist
1,748
Crystal Syndicatе#35555070 · Infiltrator
1,562
Grand Army of the Insurgence#1075140737 · Lieutenant Colonel
1,410
CC - Parachute Regiment#12325300 · 2nd Airborne Battalion
1,276
Followers of Chernobog#35669107 · Acolyte
1,157
Roman lmperium#36101254 · Julius Caesar
992
TNI:C Treasury#15576580 · Associate
668
Sad Girls Club#2556144 · Sad Girls/Boys
664
Tactical Robloxians United (TRU)#916930 · Recruit
586
United States Space Force [USAF]#9981334 · [E-1] Crewman Basic
523
Moonwatch#173907465 · Rookie
473
Kronian Dynasty#35626218 · [I] Neophyte
366
|CUSA| Special Operations Command#5336904 · [E1] Private
345
Vеnicе#36018808 · Private
300
Unified Hanhezhian States Armed Forces#8041377 · Private
266
CUSA | 75th Ranger Regiment#15502551 · Rangers
234
PHANTOM BLACK#14050328 · New Member
182
Devil's Anvil#13457835 · Genre Member
137
[USAF] Space Operations Command#13276769 · 》4th Specialized Assault Squadron
137
Arisaka Pre-Launch Tournament#509984505 · Reserves
129
[IC] The Imperial Crusaders#5147789 · Inquisitor
128
| ZL | Zealous Legion#11404420 · [PVT] Private
126
Advanced Recon Force Troopers [GRW]#32559665 · ARF Trainee
112
[] | THE PRAETORIAN IMPERIUM | []#33689425 · 》Outsider
110
[AGAR] ARC Funding group#710284413 · LuckyLynx562's era
98
Noob Clan Community#366048191 · [ Ⅹ ] Captain
95
Scout Troopers GRW#5298637 · Scout Specialist Unit
85
Rush's Family#34585405 · Supporter
58
Spectral Reapers#999858030 · Soul Reaper
52
xr40 hater community#882253974 · top hater
49
[IS] Imperial Storage#34178676 · [1] Squire
49
SRT | Task Force 99#452612244 · 11
45
UCR Aegis Commandos#505083830 · Warrant Officer
42
[AGAR] 187th Funding Group#1039569629 · Legends of the Battalion
41
Imperium Aeternum SPQG#34407070 · Pro-Player
37
SOB Task Force [GRW]#700321723 · Captain
22
Sons of Willhelm#9794657 · Follower
22
GUMMY NATlON#118088152 · CHUDLING
21
[AGAR] - ARC Funding group#1046816684 · ARC HICOM
21
five's cabinet#35067675 · people
20
- | Friends Group | -#35174506 · 朋友或人員 (Friends/Members)
14
Kebabtroopers#1085077383 · Keboperator
8
MUSM | Staff Team#34189321 · Special Warfare Group
3

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