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@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
64
Bloodwatch Legion#11927275
21
Imperium Warfare Command#15518055
19
[TAF] Imperial Ministry of Justice#15518070
12
lmperial Sentinel#15518065
10
[AGAR] Special Operations Brigade#1039071976
7
Imperium Legioner#138215613
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
57,134,036
Nosniy Games#3461453 · Fan
57,106,396
Sol's Studio#8509669 · [Gamers]
12,662,034
Rumble Studios#3333298 · Fan
11,232,034
Double Bandit Studios#13751258 · Bandits
6,269,985
Roblox Building Roleplaying Construcción#10692800 · ⭐️ Owner
3,401,856
Kohaú#4731484 · Customer
2,646,648
|GAR| Grand Army of the Republic |#5214183 · Lance Corporal
1,714,470
United States Armed Forces [USA]#3054949 · [E-0] Basic Training
1,187,924
[CUSA] United States MiIitary#4219097 · [O7] Brigadier General
1,152,565
AFS: Endless#361078446 · Member
972,493
The Nighthawk Imperium#1174414 · | 2 | Enlist
906,586
Highfield City Police Department#6117548 · Police Officer
867,422
United States Secret Serviceᅠᅠᅠ#5856978 · American Citizen
634,509
The First Encounter Assault Recon#72321 · [CIT] Citizen
500,935
The Galactic Empire ‌ ‌ ‌ ‌#3145747 · Cadet
361,926
The Red Cell#3880488 · | 3 | Technician
238,308
United Clan of ROBLOX#18 · [L4] Vanguard
237,320
The Galactic Empire GRW#5298627 · Specialist
233,761
The Galactic Republic GRW#14625178 · Sergeant Major
215,071
Kalako Studios#32303017 · Member
140,462
The Noobic Stratocracy#2704934 · Noobs
138,571
Custom Duels#4560126 · Tier 1
90,885
[GAR] Grand Army оf the Republic#33537532 · ⚪ Republic Military Personnel
77,902
Projеct Discontinuеd#33426357 · Studio Fan
73,335
The Robloxian Army TRA#165491 · Private
67,344
|| Imperial Armada ||#2654474 · [JSM] Junior Seaman
36,346
Snow Core#5665804 · {I} Initiate
27,479
Age of Dаrkness#32468316 · Excertus Imperialis
24,346
|GAR| Grand Army of the Rеpublic#35093657 · Member
24,307
The Hutt Cartel GRW#7219995 · Outlaw
21,934
The Noobic Stratocracyᅠ#1008942731 · Stratocratic Civilian
18,817
Reign of Royales#5540551 · [9] Liberator
18,592
Imperial Navy GRW#5298631 · Leading Crewman
17,782
The Republic Navy GRW#16276731 · Naval Cadet
17,661
IITGRAII The Grand Republic Army#4535936 · Cadet
17,392
Nighthawk Reaper Battalion#4734688 · | R | Recruit
17,210
The New California Rеpublic#15898172 · Civilian
16,957
/-\ The Galactic Republic /-\#13467113 · ⚪ RMP - Republic Military Personnel
15,818
The Legions of the Republic#366919019 · Unwaved
15,055
[CW] Grand Army of the Republic#1092793046 · Cadet
11,620
TITAN | Military Corporation#6209818 · Access Point - I
11,297
The Jedi Order GRW#32422001 · Youngling III
7,217
Red Cell Chimera#12667702 · | 1 | Novice
3,565
The Special Operations Brigаde#35906476 · 4th Battalion “ Bayouboys “
3,200
Arisaka Corporation#34790113 · Cipher
2,938
Star Wars Quality UGC#34214130 · Member
1,905
Sunwatch#931355145 · Specialist
1,848
Grand Army of the Insurgence#1075140737 · Lieutenant Colonel
1,410
Crystal Syndicatе#35555070 · Infiltrator
1,303
CC - Parachute Regiment#12325300 · 2nd Airborne Battalion
1,249
Followers of Chernobog#35669107 · Acolyte
1,150
Roman lmperium#36101254 · Julius Caesar
1,056
TNI:C Treasury#15576580 · Associate
673
Sad Girls Club#2556144 · Sad Girls/Boys
666
Tactical Robloxians United (TRU)#916930 · Recruit
597
United States Space Force [USAF]#9981334 · [E-1] Crewman Basic
558
Moonwatch#173907465 · Rookie
460
Kronian Dynasty#35626218 · [I] Neophyte
360
|CUSA| Special Operations Command#5336904 · [E1] Private
334
Unified Hanhezhian States Armed Forces#8041377 · Private
280
Vеnicе#36018808 · Private
276
CUSA | 75th Ranger Regiment#15502551 · Rangers
218
PHANTOM BLACK#14050328 · New Member
212
[IC] The Imperial Crusaders#5147789 · Inquisitor
154
[] | THE PRAETORIAN IMPERIUM | []#33689425 · 》Outsider
145
Devil's Anvil#13457835 · Genre Member
135
Arisaka Pre-Launch Tournament#509984505 · Reserves
124
| ZL | Zealous Legion#11404420 · [PVT] Private
122
Advanced Recon Force Troopers [GRW]#32559665 · ARF Trainee
114
[USAF] Space Operations Command#13276769 · 》4th Specialized Assault Squadron
114
[AGAR] ARC Funding group#710284413 · LuckyLynx562's era
93
Noob Clan Community#366048191 · [ Ⅹ ] Captain
91
‹※ Myth ※›#465503 · Conscript
78
Scout Troopers GRW#5298637 · Scout Specialist Unit
76
Rush's Family#34585405 · Supporter
57
Spectral Reapers#999858030 · Soul Reaper
51
[IS] Imperial Storage#34178676 · [1] Squire
48
xr40 hater community#882253974 · top hater
48
SRT | Task Force 99#452612244 · 11
44
UCR Aegis Commandos#505083830 · Warrant Officer
40
[AGAR] 187th Funding Group#1039569629 · Legends of the Battalion
37
Imperium Aeternum SPQG#34407070 · Pro-Player
36
Sons of Willhelm#9794657 · Follower
21
five's cabinet#35067675 · people
20
SOB Task Force [GRW]#700321723 · Captain
19
GUMMY NATlON#118088152 · CHUDLING
19
[AGAR] - ARC Funding group#1046816684 · ARC HICOM
16
- | Friends Group | -#35174506 · 朋友或人員 (Friends/Members)
14
Kebabtroopers#1085077383 · Keboperator
6
MUSM | Staff Team#34189321 · Special Warfare Group
3

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