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Builder @buildercosko4 #963494174

10 February 2019
account created (per Roblox API)
29 Aug 2026, 14:58
last measured (UTC)

Username record

@buildercosko4 — observed 29 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)

Site - X [ Official Group ]#6216929
23

Open data

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

Also a member of

Car Crushers Community#2726951 · Skilled Crusher
8,613,522
The Red Army .#4802792 · Corporal
1,527,517
Μilitary Simulator#4800484 · Community Member
809,533
Quantum Science Inc.#2847031 · Employee
484,692
The Party .#4849580 · Party Cell
206,847
[SCPF - Special Containment Procedures Foundation]#4606577 · Security Class 1
150,692
The Noobic Stratocracy#2704934 · Noobs
134,351
Yellow Gearworks#3363833 · Supporters
102,967
Facility Roleplay [ConX Studios]#9665726 · Community Member
88,927
The Rebel Workshop#11949741 · Rebel
37,821
[SCP:F — Secure Containment Facilities]#3391301 · Level 1
25,214
The Truman Commission#16137153 · [ Roleplayer ]
82
SCPF - [ Special Containment Procedures ] -#10905531 · Security Level 5
43
[SCP - Foundation] Main Group#8245930 · Level-0
39
Navy of the United States of America!#13427946 · Vice admiral
14
«Kermit Nation»#16927735 · Trusted
11
Eliason's Dev Group#9431396 · Member
10
SCPF | Secure Containment Foundation |#34141883 · O5 Council
3

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