Straw Hat Pirate Official #15455523

132

members (measured 24 Aug 2026, 15:58 UTC)

22 July 2022

created (per Roblox API)

10 August 2026

first measured by this register

AnimeENanimemangaone piece

Description

The Straw Hat Pirates are the central protagonist crew of the massive anime and manga series One Piece. Founded by Monkey D. Luffy, they originate from the East Blue but have grown into a legendary powerhouse crew navigating the treacherous Grand Line, challenging the World Government and rival pirate emperors alike. Unlike traditional marauding pirate crews, the Straw Hats function more like a tight-knit family. Every member was personally recruited by Luffy, and each possesses a distinct, specialized role alongside a grand lifelong dream.

Written by the group; not a statement by this register.

Membership history

Growth

3 measurements spanning 11 days, net +5. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 126–133 and does not start at zero.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
23 Aug 2026, 21:06	132	+3
21 Aug 2026, 22:41	129	+2
13 Aug 2026, 06:03	127	first reading

Ownership

Owned by Luffy (@MugiwaraLuffyCaptain) as measured.

Members we’ve seen

Luffy (@MugiwaraLuffyCaptain) — Captain (rank 255)

MugiwaraRobin (@hinata_hyugasuss) — Archaeologist (rank 94)

Law (@jaurtouchia) — Worse Generation (rank 81)

hyokin (@EustussKidd) — Worse Generation (rank 81)

haru (@Charlie31784) — Muglwara Grand Fleet (rank 1)

Klara (@Clara999200) — Muglwara Grand Fleet (rank 1)

Nuro (@Nuro_Jinwoo) — Mugiwara Grand Fleet (rank 1)

loljustmakeingmotion (@36kmariiii) — Muglwara Grand Fleet (rank 1)

astro (@g_ima) — Mugiwara Grand Fleet (rank 1)

TPG_Zoro (@ShahvezProRobloxer32) — Mugiwara Grand Fleet (rank 1) terminated

KabirSpecialLiquid (@Glitch_515) — Muglwara Grand Fleet (rank 1) terminated

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

Rank structure

Captain1

Swordsman1

Navigator1

Sniper1

Cook1

Doctor1

Archaeologist1

Shipwrιght1

Musician1

HeImsman1

Worse Generation2

Mugiwara Allies8

Admirals0

Marines2

Yonkos0

Member127

Mugiwara Grand Fleet115

Guest0

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

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

Names Are Not Important#8731481 · 6 shared members

Kaitou's Designs!#10043972 · 6 shared members

RELL World#1226491 · 5 shared members

rip_family#13189664 · 5 shared members

Boss Studio [ V.1 ]#13494271 · 5 shared members

Strawhat Clothing#12130332 · 5 shared members

The Casual Straw Hats#11418153 · 5 shared members

Blackbeard Pirates (黒ひげ海賊団)#14851020 · 5 shared members

Whitebeard Pirates (TM)#15983001 · 5 shared members

The Grand Line Clothing#15825235 · 5 shared members

The Legendary Big Mom Pirates#15197922 · 5 shared members

Ahjin Official#16185576 · 5 shared members

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.