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.
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Also a member of
Bee Swarm Simulator Club#3982592 · Member
18,211,635Wild Atelier#7947655 · Member
7,728,020Building & Military Roleplay Fan Group#4527672 · Everything Fan
2,719,483|BA| British Army#2621202 · [OR-3] Lance Corporal
2,022,272A.W. Apps#3182154 · Follower
1,960,882The Red Army .#4802792 · Conscript
1,527,695NOYO Productions#34481840 · Member
1,198,224[Dinosaur World]#4409241 · Supporter
1,155,611[CBRN]#5855434 · [E-1] Recruit
1,136,524[CUSA] United States MiIitary#4219097 · [E1] Private
1,127,962Dunn Games#4035125 · Fan
1,023,602Building#42 · Member
1,013,690Peanut Butter Entertainment#34401723 · Member
972,366Μilitary Simulator#4800484 · Red Army Conscript
809,499Κarate#9434941 · Player
621,561Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
617,938Khongumu#12369782 · player
605,915Soybeen#2841240 · Goobers
518,293Starboard Studios#3755133 · Follower
398,149FRP | Red Army#5224523 · Private
306,430uglyburger0#8701480 · alan
285,841Eurotunnel | Le Shuttle |#7505190 · ┊Civilian┊
275,874Federation Of Robloxian People#4246982 · Group Member
245,904Phantomline#16783985 · Player
245,425Aogiri-Tree [Ro-Ghoul]#4080256 · Subordinate
227,295Umaniacs#579985665 · Member
211,510The Party .#4849580 · Party Cell
206,924Foxtrot Asуlum Rolеplay#5555046 · Patient
195,760Foundation Roleplay#4711525 · Supporters
184,676Anomic Studios#5473411 · Member
179,031South London 2 Community#7638375 · Regular
162,822Chunk Studios#1154360 · Fan
140,306NapoIeonic Wars#12425385 · ⚔️ Member
137,295Elemental Adventure!#139559 · Community Member
128,961School Of Developers | ROBLOX DEVs#9658196 · 🧠 | ROBLOX Developers
119,599FRP | Police#5224525 · Trainee
114,020Dank#2629950 · Dank
108,905Rise of Nations#832833 · Fan
107,087[SCPF] Special Containment Procedures Foundation#2694395 · Class - D
76,456super secret bunny cult#7765801 · Member
71,715WonderStar Studios#33323573 · 🎉Fan
70,213Et Imperium Germanicus#4886107 · State Citizen
61,876Bloxek Studios#4906154 · Cafe Vibers
60,221Balkan Border Roleplay#15067477 · Civilian
51,314East Korea.#3178507 · Immigration Office
48,573[DEVTEAM6] Fireteam Community Group#2607805 · Community Supporter
47,335Western Army**#6474323 · Master Sergeant
46,745Dinosaur Arcade#10549310 · Member
46,415The Armed Forces of Imperium Germanica#4886142 · Recruit (NEEDS TRAINING)
38,923Canadian Army ᅠ#7217441 · [OR-1] Basic Military Qualification
34,160[EA] Liquid Dynasty#3048888 · [Liquid] Citizen
31,464City of Los Angeles Police Department.#10166569 · [PCT] Cadet
29,595Forgotten INA Place#34308504 · Member
28,783Useless Zone#5842387 · Player
25,998Phoenix Intеrnational#33161058 · Test Subject
25,129[Project Discontinued]#6753509 · Test Subjects
23,206KönigIich Prеußischе Armееᅠᅠ#6909357 · Rekrut
19,476National Police Agency of the West#14316443 · Cadet
18,906Atlanta Medical Institute#13912850 · Experienced Scientist
18,320{EAST} Ministry of People's Security#6352586 · Corporal
10,912[FIN] Helsinki#7630452 · Hylätty Kansalaisuus
10,622Chaos Insurgency [CI]ᅠᅠ#9726189 · Recruited Class-D
8,210{EAST} Ministry of Foreign Affairs#6352598 · Embassy Staff
5,103Nightmare™#2839485 · Ghosty [1]
3,7469. Colbergsches Leib Infanterie-Regiment#9798981 · Colbergsches Landwehr Bataillon
875Crimcc Studios#12226980 · MightyCrew 😎
168Membership and rank as measured from this user’s public group list.