Matthew @Matthew_XXI #24045532

18 February 2012

account created (per Roblox API)

28 Sept 2026, 18:55

last measured (UTC)

Username record

@Matthew_XXI — observed 28 September 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)

Black Fyrηοcκ#17140507

7

Regulus Bloodline#10030516

1

-[TMP]- | Clan Vizsla#11545825

Open data

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

Also a member of

Sonar Studios#2919215 · 🕹️Sonarian

AoTR [PI]#17347863 · Member

(学乱) Gakuran#416091513 · Students

Ouw Productions#12851171 · Member

RELL GAMES#4939446 · Bronze Rell

BlockZone#5202664 · Member

G RBLX Games#3481335 · 🔥| Players

Bizarre Collective#33161040 · Member

Eternal Pose#34564085 · Member

Khongumu#12369782 · player

Untitled Gym Group#16271461 · Player

·The Marvel Universe·#3434601 · Citizens

The Attack on Titan Project#3865381 · Low Class

Cool Cat UGC#8416624 · Owner

AwfulNet#7239935 · Supporters

Shinobi: Project#5574590 · Shinobi

NORTHWIND | HUB#5375519 · Fan

Flashstorm#920290 · New Roleplayers

[AOT:P] Trainee Corps#3866549 · Phase I

Game About Kingdoms#1111685284 · King

[VWRP] Vietnam War RP Community#2798061 · Roleplayer

NORTHWIND | Saint Lawrence Company#5346362 · Settler

[]Infinity[]#7078157 · New Plumber

Great Clоne Army of the Republic#5425370 · Member

Void Creatives#5695606 · Community

Agе of Rebellion#12720249 · Civilian

Grand Piece Online#4442837 · PATREONS

A Ballad of Crowns#34464170 · Community Manager

‌‌ ‌ ‌ ‌ ‌‌‌ ‌ ‌‌‌‌ ‌‌ ‌ ‌ ‌ ‌‌ ‌ ‌ ‌ ‌‌ ‌‌ ‌‌ ‌ ‌#3234231 · Verified Member

〢Grand Army of the Republic#9156732 · [E1] Cadet

Ave Marie#683807589 · Community Manager

Lunar Engine#32484876 · Friend

★The United Nations Space Command★#950967 · UNSC NAVY

The Last Dance: Flames of Fate#15749575 · Pending

Thе Massassi Grоup#6436408 · Enlisted

Attack on Titan: Dead on Arrival#9312950 · Member

· DC Universe ·#5101491 · Citizen

·Sky Studios·#2755845 · Member

「The Futures」#6540992 · Customer

World Beyond#15594393 · Developer

Starforge Armory#6818115 · Supporter

·Gotham·#5598651 · Citizen

Agоnу#34971997 · Head Department

The Massassi Army#6437496 · Enlist

Universe Omega#9832338 · Member

Old Republic ᅠ#7215090 · Nobility

-[JO]- Jedi Order#3059319 · Elder

A GaIaxy Far, Far Away#15489197 · Staff

World Beyond | Testers#17404295 · Senior Tester

An Iron Reign#8875981 · Peasant

〔- House -〕#15262457 · Council of the Black Stag

AM | Tester Guild#36062756 · Community Manager

Aeviternus#6900705 · Associate

RevCo#6679285 · close friends

The Bounty Hunter's GuiId#16917075 · The Council

Gxeese's Pulp Fiction#8442974 · passione

The Land of Westeros#2808251 · Developer

Era of Elysium | House Affiliation#10628492 · Outsider

Project Ymir#10046621 · Architect

Lunar Moderation#34937418 · Manager

SCP Breakthrough#11807050 · O5 Council

White Rook Studios#12529359 · Developer

AM | Lore Guild#34999533 · Lore Moderator

| Galaxy Beyond |#11809656 · Project Development

7

AOT: Path to Freedom#8540254 · Developer

6

SCPB | Scientific Department#11835590 · O5 Council

5

Αtrium Studios#5077935 · Member

5

SCPB | Internal Tribunal Department#11835586 · O5 Council

3

SCPB | Administrative Department#11835543 · O5 Council

3

SCPB | Internal Security Department#11835577 · O5 Council

3

[P:Y] Stationary Guard#10331068 · Admin

3

[P:Y] Military Police#10331053 · Premier

3

SCPB | Department of External Affairs#11850076 · O5 Council

3

AM | House of Stewart#157108550 · King of Scotland

2

[P:Y] Scouting Legion#10331074 · Admin

2

Story | House Stærk#8877498 · Administration

2

[P:Y] Training Corps#10331088 · Admin

2

Story | House Arryn#8877520 · Administration

2

Story | Houses#8877300 · Administration

1

Story | House Tyrell#8877580 · Administration

1

Story | House Targaryen#8877510 · Administration

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