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

ItzzUndefeatable @UNDEFEATABLE40 #1277081089

13 October 2019
account created (per Roblox API)
28 Aug 2026, 21:37
last measured (UTC)

Username record

@UNDEFEATABLE40 — observed 28 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)

ZK ARMY#7515798
24

Open data

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

Also a member of

Chillz Studios#2782840 · 💫Mega Member💫
18,428,361
Bee Swarm Simulator Club#3982592 · Member
18,210,816
Uplift Games#295182 · Dreamer
14,670,309
Roblox#7 · Member
13,452,999
BIG Games™#2703304 · Fan
11,270,747
16bitplay Games#3233280 · Member
7,250,882
Foxzie#3955051 · 👤 Member
7,035,781
Roblox High School: Fan Club#1127093 · New Fan (Unranked)
7,003,114
Creator_Studio#5213021 · Fan
6,103,664
YUМ#11122367 · Small Portions
6,085,497
Welcome to Bloxburg: Fan Club#2910593 · Bloxburgers
4,942,013
Typical Games#2649054 · Member
4,020,021
Pilot Training Club#2794513 · Fighter Pilots
3,765,645
Roblox Wiki#127081 · Wiki Helper
3,681,696
Badimo#3059674 · Member
3,452,333
ChainLemonade Studios#5916008 · Lemon
3,344,758
#FireNation#4008286 · Fire Member
2,998,786
GamesReborn#3991320 · Fan
2,665,642
Team Sloth Forever#3367671 · Member
2,422,784
Police Roleplay Community#4328109 · Community Member
2,209,959
Nova Hotels X#4683371 · Trainee
2,000,249
Bloxton Hotels#2788849 · 1 | Hotel Guest
1,744,319
Rensselaer County Official#5499489 · Member
1,671,038
Team Crystal!#2823500 · [⭐] Fans & Supporters!
1,625,353
Lite Empire#3602628 · Player
1,579,611
The Red Army .#4802792 · Initiate
1,527,234
Robloxian High School Group#2876351 · Player
1,482,021
Studio Serenity#3261090 · Owner
1,383,558
Fat Whale Games#4920885 · Whale
1,328,471
[CUSA] United States MiIitary#4219097 · [E1] Private
1,123,766
Stateview Correctional Facility. ∞#5025380 · Low Security Inmate
1,002,333
SizzleBurger#1016598 · Customer
996,012
Haza Games#5217684 · Friend
971,234
United States Military 1960s ᅠ ᅠ#3454445 · E1
960,784
Cleansey Fan Group#6622450 · Friends
867,207
Μilitary Simulator#4800484 · Red Army Conscript
809,565
Five-O Community#4824823 · Member
720,103
Splitting Point Studios#4491593 · Member
718,408
Solera Hotels & Resorts#3435330 · Hotel Guest
644,772
#HYPER#3342585 · Friends
636,308
United States Secret Serviceᅠᅠᅠ#5856978 · American Citizen
624,353
Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
617,962
Strategic Studio#13169032 · 😄 Blob
580,389
Fluffy Crown#6449129 · Fan
498,150
Mad Vikings Production#1227688 · Fans
422,687
UnᎥted States Marine Corps#5570997 · [E1] Private
385,235
MyGroupNamesThis#2986372 · Bacon Army
377,058
United States Army     #4121686 · [E1] Private
373,545
Staff#3829 · Fans of Staff
291,997
Glazin’#977619 · Customer
234,740
Kings roblox army#5903450 · Member
222,503
Roleplay UGC#5809933 · 🎁 | Players
215,714
zGames#3715977 · 🎮 Fan 🎮
201,992
Boomerang Studios#3265270 · Fans
200,884
The Poke Squad #Pokediger1#3747712 · Member
180,879
Blox Channel#515698 · (LR) Senior Employee
175,656
VG Gang#3867483 · Member
163,932
Un$ertainly#4865103 · 🖤 Shopper
132,664
Da LIGHTNING SQUAD#3436896 · Member
125,107
Iceberg hotels™#3533214 · Customer
99,001
FRR | First Responders Roleplay#5808748 · Citizen
91,792
Federal Bureau of Investigatiоn#6176039 · Civilian
78,598
Backwoods Law#4947236 · [C] Fan
74,642
Badgers of Robloxia#5587275 · Casual
69,419
Magic Kingdom Parks & Resorts#4064701 · 💜 Park Passholder
60,502
Canadian Roleplay Community#4574067 · Community Member
54,997
{SCPF} || Special Containment Procedure Foundation#4889827 · Roleplayers
51,254
SCP - Devolved#5557159 · Member
49,089
Jet2ᅠᅠᅠᅠᅠᅠ#5851786 · Passenger
45,764
The Robloxian Hospital V2#4898181 · Patient
37,627
Rome ᅠ#6905036 · Peregrinus
37,494
Hospital Roleplay!#5119461 · Member
35,084
lttl doll#4378552 · ૮ ˶ᵔ ᵕ ᵔ˶ ა
28,458
- The Imperial Japanese Empire -#5858254 · Happy Gamer
18,975
Aces Inc#5687067 · Ace's Member
17,426
MCSO | RP Communityᅠᅠ#5067701 · Trainee
14,143
Val Crime Family#5228853 · Delinquents
9,495
Moonlight Interaсtive#5619355 · ✨ Supporter
7,991
Noodle pack#5680202 · Member
7,829
Tobi's British Army#3231218 · [OR-1] Recruit (Basic Military Training)
5,850
Harmony Springs Mental Health Center#5537160 · Patient
1,186
(RP.) | Mano County Sheriff's Office#6292410 · Trainee
285
Cave Studios.#5258066 · Beta Tester
209
*~Adopt_Me~*#6180409 · Member
134
BlobGxng#7515919 · BlobOne's Real Ones
108
God legend crushers#4877278 · Member
40
We Strike#5646178 · strikers
33
Master pro’s god masters#4877290 · Member
27

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