Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@killer_ag123

MrDuck @killer_ag123 #544161617

13 March 2018
account created (per Roblox API)
22 Aug 2026, 04:52
last measured (UTC)

Username record

@killer_ag123 — observed 22 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)

World and roblox#15135656
39

Open data

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

Also a member of

Bee Swarm Simulator Club#3982592 · Member
18,232,211
Wild Atelier#7947655 · Member
8,732,349
Building & Military Roleplay Fan Group#4527672 · Everything Fan
2,718,178
|BA| British Army#2621202 · [OR-3] Lance Corporal
2,020,416
A.W. Apps#3182154 · Follower
1,984,076
The Red Army .#4802792 · Conscript
1,539,980
NOYO Productions#34481840 · Member
1,286,463
[CUSA] United States MiIitary#4219097 · [E1] Private
1,156,465
[Dinosaur World]#4409241 · Supporter
1,154,839
[CBRN]#5855434 · [E-1] Recruit
1,141,857
Dunn Games#4035125 · Fan
1,028,534
Building#42 · Member
1,013,269
Peanut Butter Entertainment#34401723 · Member
1,010,306
Μilitary Simulator#4800484 · Red Army Conscript
807,964
Κarate#9434941 · Player
634,567
Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
617,984
Khongumu#12369782 · player
612,898
Soybeen#2841240 · Goobers
517,732
Starboard Studios#3755133 · Follower
399,743
FRP | Red Army#5224523 · Private
306,024
uglyburger0#8701480 · alan
285,692
Eurotunnel | Le Shuttle |#7505190 · ┊Civilian┊
277,224
Phantomline#16783985 · Player
249,694
Federation Of Robloxian People#4246982 · Group Member
245,630
Umaniacs#579985665 · Member
235,112
Aogiri-Tree [Ro-Ghoul]#4080256 · Subordinate
227,410
The Party .#4849580 · Party Cell
210,955
Foxtrot Asуlum Rolеplay#5555046 · Patient
195,490
Foundation Roleplay#4711525 · Supporters
184,355
Anomic Studios#5473411 · Member
179,966
Chunk Studios#1154360 · Fan
165,687
South London 2 Community#7638375 · Regular
162,769
NapoIeonic Wars#12425385 · ⚔️ Member
140,501
Elemental Adventure!#139559 · Community Member
128,793
School Of Developers | ROBLOX DEVs#9658196 · 🧠 | ROBLOX Developers
119,394
FRP | Police#5224525 · Trainee
113,862
Dank#2629950 · Dank
108,953
Rise of Nations#832833 · Fan
107,308
[SCPF] Special Containment Procedures Foundation#2694395 · Class - D
76,426
super secret bunny cult#7765801 · Member
71,587
WonderStar Studios#33323573 · 🎉Fan
69,906
Et Imperium Germanicus#4886107 · State Citizen
61,830
Bloxek Studios#4906154 · Cafe Vibers
60,116
Balkan Border Roleplay#15067477 · Civilian
51,547
East Korea.#3178507 · Immigration Office
48,515
[DEVTEAM6] Fireteam Community Group#2607805 · Community Supporter
47,304
Western Army**#6474323 · Master Sergeant
46,602
Dinosaur Arcade#10549310 · Member
46,306
The Armed Forces of Imperium Germanica#4886142 · Recruit (NEEDS TRAINING)
38,834
Canadian Army ᅠ#7217441 · [OR-1] Basic Military Qualification
34,100
[EA] Liquid Dynasty#3048888 · [Liquid] Citizen
31,407
Forgotten INA Place#34308504 · Member
30,061
City of Los Angeles Police Department.#10166569 · [PCT] Cadet
29,576
Callisto Innovationsᅠ#33161058 · Test Subject
26,122
Useless Zone#5842387 · Player
25,937
[Project Discontinued]#6753509 · Test Subjects
23,131
KönigIich Prеußischе Armееᅠᅠ#6909357 · Rekrut
20,809
National Police Agency of the West#14316443 · Cadet
19,219
Atlanta Medical Institute#13912850 · Experienced Scientist
18,256
{EAST} Ministry of People's Security#6352586 · Corporal
10,883
[FIN] Helsinki#7630452 · Hylätty Kansalaisuus
10,613
Chaos Insurgency [CI]ᅠᅠ#9726189 · Recruited Class-D
8,205
{EAST} Ministry of Foreign Affairs#6352598 · Embassy Staff
5,096
Nightmare™#2839485 · Ghosty [1]
3,742
9. Colbergsches Leib Infanterie-Regiment#9798981 · Colbergsches Landwehr Bataillon
873
Crimcc Studios#12226980 · MightyCrew 😎
168

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