killeon @Kosmo12224 #1067283952
5 May 2019
account created (per Roblox API)
24 Aug 2026, 11:43
last measured (UTC)
Username record
@Kosmo12224 — observed 24 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)
Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
Chillz Studios#2782840 · 🌟Royal Member🌟
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18,236,737Car Crushers Community#2726951 · Skilled Crusher
8,648,967Hexagon Development Community#5693735 · Member
5,782,925Pilot Training Club#2794513 · Fighter Pilots
3,906,626USSF - United States Special Forces#22025 · [1] Private
3,413,189BIG Games Super Fun#10026748 · Fan
2,899,766United States Army #3108077 · [E1] Private (Basic Combat Training)
1,446,584Studio Serenity#3261090 · Owner
1,381,926StyLiS Studios#1103278 · Supporters
941,762dreamy™#4266525 · Supporter
885,957Splitting Point Studios#4491593 · Member
726,891Attribute Studios#6455602 · Fans
630,125Bonic#3816533 · Fan
531,620Oof Games 2#3788014 · Oof
276,733Aimlabs Official#10620626 · Member
203,832Iconic Gaming Studios#6941808 · Member
140,328Metaverse Team#9163503 · Member
132,332Old ROBLOXians!#127754 · < 2018 & 2019 >
103,793bia complex#5282784 · unasssigned
74,677Roblox Build It#7003253 · Supporter
73,313AC&P#6935720 · Supporter
71,113Even More FNF Devs#10391258 · Supporters
60,010Sound Space Studio#4605161 · Member
54,090East Korea.#3178507 · Citizen
48,531{EAST} Eastern People's Army.#12536609 · Recruit
41,848Flex Your Account Age Community#6001218 · Player
40,074NEVERDIE INTERACTIVE#5176390 · Members
38,420Zeppelin Wars Official Group#7128646 · Member
32,796Repent of Life [SO]#2779167 · Recruit
31,624NO slenders or copy&pastes!!!#9830284 · Member
27,345discontinued project#11114434 · Members
16,241Clan Of Bob#11955045 · Member
1,774Red Pepper Mexican Grill#10514591 · Customer
614Felipe's Revenge Club#11630152 · ✅ Citizens ✅
20Marcus and #########3076613 · Admin!
7Membership and rank as measured from this user’s public group list.