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

Jackatt @efficiancy #1503015926

291
followers (as measured)
13 March 2020
account created (per Roblox API)
27 Aug 2026, 08:09
last measured (UTC)

Username record

@efficiancy — observed 27 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)

efficiancy clothing#15153275
26
[BRM5] The Royal Anglian#35661560
9
[SEA] Angels of Death#32864624
7

Open data

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

Also a member of

Wiggity.#12836673 · Member
30,281,185
Sonar Studios#2919215 · 🕹️Sonarian
18,139,851
Sol's Studio#8509669 · [Gamers]
12,526,753
Car Crushers Community#2726951 · Skilled Crusher
8,610,179
Powerful Studio#5522949 · 💙┃Fan
8,003,285
RELL World#1226491 · [Gen] 2X21
6,603,518
The Gang Stockholm#5273516 · Player
6,153,773
Paradoxum Games#4914494 · Player
6,007,508
Varis Studios#32421331 · Fan
5,543,462
Jule Games#13031751 · Member
5,065,040
Driving Empire by Voldex#4999963 · Driver
4,943,266
Pixellar Studios | RSC#520125566 · Member
4,768,706
Nova Wave Games#14089766 · Member
4,251,155
Pilot Training Club#2794513 · Fighter Pilots
3,756,986
RELL GAMES#4939446 · Bronze Rell
3,459,672
USSF - United States Special Forces#22025 · [3] Specialist
3,409,252
thunder1222 Productions#553699 · Member
3,392,271
Krabby Krew#34990762 · Anchovies
2,985,308
Manta Games#4127076 · Player
2,708,743
Universe Time Studio#6556072 · Universe Member
2,466,137
Animations: Mocap#4872031 · Member
2,419,136
Top Down Games#5292947 · Members
2,352,771
Police Roleplay Community#4328109 · Community Member
2,208,932
Vanity Studio#4063400 · Fans
2,083,542
|BA| British Army#2621202 · [OF-1] 2nd Lieutenant
2,022,057
Cruising Studios#5435520 · Fan
1,945,319
Greenville, Wisconsin#3078161 · Verified Citizen
1,928,080
Farm3rz#35902840 · Member
1,736,558
Biodegradable Inc.#15941331 · Sprout Agent
1,695,221
wunmo#8019744 · wunmo
1,446,479
Treat Studios#8014500 · Member
1,227,047
SEA Military#2648601 · [MR3] Petty Officer
1,190,163
United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,183,493
Funnest Games Around!#32440505 · Member
1,169,106
Clicker House#8646973 · Clickers
1,167,923
Stuart Games#34562627 · Member
1,132,753
Zood Studios#5606884 · ✨ Gamer
1,109,291
V0YD Expeditions#5039397 · Climber
1,024,125
Your Gym Game#874474070 · Member
1,013,657
Tower Defense X#14733518 · fan :d
994,767
United States Military 1960s ᅠ ᅠ#3454445 · E1
960,813
Universal Tower Defense [UTD]#33861560 · Member
925,873
Invincibly#33673697 · Member
916,961
Small Team Big Dreams Studio#207493509 · Member
844,297
Μilitary Simulator#4800484 · No Division
809,616
|BA| -British Army-#4972535 · [OR-7] Staff Sergeant
640,260
YewBow Arts#14279387 · Player
570,205
[What A Game]#33028790 · Member
535,981
PLATINUM FIVE#4668709 · Member
505,491
Block Stud Studios#33775556 · Owners
473,452
UnᎥted States Marine Corps#5570997 · [RT] Recruit Training
385,247
Twisted Official#4812298 · Fan
362,598
The Galactic Empire ‌ ‌ ‌ ‌#3145747 · Cadet
361,475
M&C Game Studios#7958191 · Members
331,148
TopTier by Talewind#1164957 · Supporters
278,899
PoopDrop#34929948 · Membre
268,176
Naval Roleplay Community#3534363 · High Ranking Officer🔱
258,224
My Softworks#35899611 · Member
247,459
Phantomline#16783985 · Player
243,379
Abysmal Covenant#1014009190 · Member
227,970
Warlords Game Group#11199286 · Warlord
220,991
Vigor Studios#6404666 · Member
212,427
The Galactic Republic GRW#14625178 · Cadet
211,618
Military Flight Simulator Community#1164372 · Fan
181,925
Vision Works#3190911 · Member
177,553
SpooderGame#568994471 · Owner
124,512
Winds of Fortune#12567619 · Landlubber
123,089
Yellow Gearworks#3363833 · Supporters
102,985
Tycoon RNG 99#12115267 · Passenger
90,381
Zeta Medical Corporation#5763193 · Community Fan
84,758
Helicity Official Group#34413979 · Member
84,592
[GAR] Grand Army оf the Republic#33537532 · ⚪ Republic Military Personnel
75,722
Тhe Sіth Оrdеr#9135125 · Hopeful
74,383
FireX Industries#7132841 · Fan
70,055
Unitеd Stаtеs Air Forcе ᅠ ᅠ#11448372 · [BMT] Basic Military Training
66,333
Mog Gurus#1060515289 · Member
62,960
British Army ­#4000196 · Regular
60,305
Untitled RNG Game#33974864 · Fan 🌟
60,150
Τhe United States Μarine Cοrps#6772372 · RT | Recruit Training
54,315
MRD lndustries#15480742 · MRD | Group Member
52,309
Power Low Studios#4036257 · Member
52,215
RAF • Royal Air Force •#12699169 · [OR-5] Sergeant
50,856
Wаr Of The Worlds#17109338 · Member
41,038
Military Productions.#13955368 · Member
32,578
Project Windward#13454393 · Community Member
31,453
Waterloo at home#11080390 · Supporter
27,548
[I] Verdun Development Group#2575126 · Roleplayer
25,652
US/EU | The Coalition#15639182 · Member
21,428
First Divisіon#9686866 · Ranker
17,059
ROBLOX Community Developers#3326755 · Member
15,903
Combined Arms#16016805 · Member
14,436
GM Production#211400142 · Member
11,220
Roblox DevForum Community#3514227 · Member
10,896
[WW] Royal Navy#11429828 · Seaman, Ordinary Rate
7,065
Roblox Beta Program#6380707 · Beta Tester
4,315
Warwickshire, England#16327793 · Player
4,176
Great British Emρire#7585541 · Recruit
3,246
—United States Military |-| 1940s#32509583 · Private First Class
3,227
Firehash Interactive#1078532583 · Member
3,191
Thе Massassi Grоup#6436408 · Enlisted
2,340

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