United States Marine Corps Roleplay Official #33144775

members (measured 1 Oct 2026, 07:55 UTC)

23 September 2023

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 We do not publish numbers we have not measured.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)	Members	Change
26 Sept 2026, 02:31	6	first reading

Ownership

Owned by @BeastyCastino 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

J_J (@cheesytaco15) — Founder (rank 255)

@BeastyCastino — Chairman of the Joint Chiefs of Staff (rank 254)

john (@JohnSaxophone) — [O10] General (rank 22)

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

Rank structure

Founder1

Chairman of the Joint Chiefs of Staff1

Vice Chairman of the Joint Chiefs of Staff1

[JCS] Joint Chiefs of Staff2

[CMC] Commandment of the Marine Corps0

[ACMC] Assistant Commandment of the Marine Corps 0

[IGMC] Inspector General of the Marine Corps0

[DIG] Deputy Inspector General0

[DSMC] Director of Staff of the Marine Corps0

[SMMC] Sergeant Major of the Marine Corps0

[O10] General1

[O9] Lieutenant General0

[O8] Major General0

[O7] Brigadier General0

[O6] Colonel0

[O5] Lieutenant Colonel0

[O4] Major0

[O3] Captain0

[O2] First Lieutenant0

[O1] Second Lieutenant0

[E9-B] Master Gunnery Sergeant0

[E9-A] Sergeant Major0

[E8-B] First Sergeant0

[E8-A] Master Sergeant0

[E7] Gunnery Sergeant0

[E6] Staff Sergeant0

[E5] Sergeant0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Private First Class0

Member6

[E1] Private0

Guest0

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

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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.