Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
| The O5 Council ||

| The O5 Council || #15193504

2
members (measured 14 Oct 2026, 18:16 UTC)
26 June 2022
created (per Roblox API)
10 August 2026
first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)MembersChange
15 Aug 2026, 12:092first reading

Ownership

Owned by @FiremanIvanDad as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

@FiremanIvanDad — [CJCS] Chairman Of the Joint Chiefs of Staff (rank 255)

T1M3 (@T1M3MAN) — USMC Command Staff (rank 253)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

[CJCS] Chairman Of the Joint Chiefs of Staff1
[VCJCS] Vice Chairman of the Joint Chiefs of Staff0
USMC Command Staff1
USMC MP Command Staff0
Commanding Officer0
Executive Officer0
Team Leader0
Co-Team Leader0
Member2
SRT School0
Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.