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@mazon99899

mason9989999 @mazon99899 #3134913937

12 December 2021
account created (per Roblox API)
12 Aug 2026, 17:15
last measured (UTC)

Username record

@mazon99899 — observed 12 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)

C8 :|| SPEAR#14281451
242
:|UU Universal Union|:#13268497
208
The Union of South Noobia#33024297
147
United Nations Joint Command#16346241
52
Athena Naval Service#508996793
32
Velora Scientific Corporation#34540293
31
Geneva Revolutionary Front#15652467
30
|| Universal Union#14368872
28
ASYNC | [Research Institute]#16793793
21
The Union Command of the Union#13415636
19
Ocular Construction Corp#34292324
15
The Backrooms | Secure & Control#33309720
14
9th Military Police Battalion#17162011
13
1st logistics Services#15431202
12
Union Investigation Bureau#695031888
12
Corporate Board#11675320
11
Athena Logistics & Supply Authority#365162757
11
Secret Intelligence Commissariat#8452424
10
MC&D | NAP Committee#7645214
9
Federal Education Commission#14840226
9
UoSN | Union Special Operations Command#16353093
8
Union Reconstruction Commision#14840221
7
The Backrooms | Research & Explore#33309715
7
The Backrooms | Major Explorer Group#17004349
5
SIC PEACEKEEPERS.#17161273
4
19th Recruitment Squadron#33730880
3
The Federal Command of the Union#13702897
3
The War Command of the Union#13423324
2
GC | JU#11662035
2
The Bureau of Order of the Union#15030034
2
GC | SOTU#11662053
2
Public Sect#8452445
2
7th Marine Military Police Company#34156825
1
OMA | Outbreak Moderation and Administration#58855426
—
Union Ceremonial Guard#301669176
—

Open data

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

Also a member of

Police Roleplay Community#4328109 · Community Member
2,227,231
Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
618,096
The Robine#2808906 · Ground Unit 04
343,843
The Galactic Empire GRW#5298627 · Recruit
234,190
Mano County Roleplayᅠᅠ#10116878 · Member
218,563
CMB | The Universal Union#4904885 · 01 Protection Unit
175,679
The Galactic Republic #2742631 · E1 | Cadet
138,162
Half-Life World#13426157 · Community Member
112,630
FireX Industries#7132841 · Fan
70,802
MRD lndustries#15480742 · MRD | Group Member
53,408
Gianchetti 1924#34244095 · Member
49,922
Greenpoint Police Departmentᅠᅠ#4793545 · Cadet
34,085
Stargate Command | SGC#6762663 · [E-2] Specialist
31,005
The Noobic Stratocracyᅠ#1008942731 · Specialist
18,950
Federal Republic of Noobia#17049589 · Citizen
13,624
TITAN | Military Corporation#6209818 · Outlander
11,296
6th Noob Logistics Agency#15746864 · Personnel
11,097
Federal Ground Defense Force#35997119 · Conscript
6,475
1st Noobic FIeet#16395321 · Crewman
6,219
3rd Noob Divіsion#35903039 · Enlisted
5,861
1st Noob Divіsion#35848809 · Enlisted
4,267
River Gorge#2702030 · Pending Citizenship
3,169
[3ND] 3rd Noob Division#114773725 · Enlisted
3,071
Ground Service Medical Corps#288142915 · Nurse
2,930
The Freedom Fighters •#4532129 · Private
2,567
Federal Defense Supply Agency#36033208 · Republic Soldier
1,852
Thin Blue Line Custom Apparel#4832388 · Customer
1,622
308th Infantry Battalion#35860030 · Enlistee
1,583
Universal Unionᅠ#10079402 · I4 | Ground Unit
1,368
Stratocratic Engineering Corps#947666928 · Visitor
1,137
Half Life | Roleplay#12424571 · Community Member
994
NORTHERN FRONT#36066063 · Infantryman
991
Вlood and Steel#5450196 · Traveler
986
ACSM Product Whitelist#33155927 · Product Owner
747
Supercorp#8452188 · Employ
386
57th Special Operations#512865463 · SF Operator
253
ASYNC|Research Institute#16800118 · ASYNC | KV-31 Engineer
247
The Backrooms | Group#16858264 · Engineer
190
377th Mechanized Battalion.#393710236 · Specialist
163
Toxic CL#5112409 · 💰 customer 💰
130
Stratocratic Recruitment Service#490810309 · Recruiter
123
WCKD | World Catastrophe Killzone Department |#14533104 · Recruit
108
Halfway Dark Studios#35245551 · Fan
75
Metarch#32352546 · Immigrant
61
[NEDI] Noobic Engineering & Development Institute#813055593 · Contributors
54
CMB / The Universal Union#34353585 · Architect
48
[SAL] Scottfield Arsenal Limited#79758948 · Machinist
39
Medical Response Unit (MRU)#610104217 · Combat Medic
38
Noobic Broadcast Service#36015406 · Reporter
34
〔 | Universal Union | 〕#35155668 · Sectoral Commander
34
Athena Maritime Defense Force#610371872 · Department Overseer
34
Overwatch Soldier#332646 · Overwatch Soldier
31
I understand that once the group name has changed:#15734939 · Sectorial Commander [SeC]
31
Half life universe roleplay#9217076 · Scientific Level 1
23
Toms Market#144579579 · publishing perms
22
Casey's Market#14094095 · Trusted Members
21
The body.#152114678 · Macrophage
18
Kingdом оf Dеnmаrk#33398509 · Traveler
15
|: Civil Worker's Union :|#16647503 · Advisory Overwatch
14
Velora Construction Co#403977793 · Developer
13
377th || 16th Engineering Unit#789146609 · teaching developer
12
Boston, Massachusеtts#33078812 · Manager
12
Major Explorer Groupᅠ#17188649 · Chancellor
12
Noobic Broadcasting Company#430448888 · The general
12
CCA › Combine Civil Authority#17107887 · Commander
12
Thе Combine#15070643 · Members
11
ASYNC | Bio Research |#16748488 · KV-31 Engineer
10
United~States#33613535 · STAR 💫 16
9
[UDR] United Demon Republic#11048732 · Materiel Command
8
|: Overwatch Transhuman Arms :|#13110758 · Advisory Council
8
|: SHOCK :|#13110855 · Advisory Council
8
Velora Moderation Agency#663897612 · Chairman
8
ASYNC | Engineering Department#32521021 · QA Engineer
7
United States Αrmy 1940's#7062562 · Sectorial Commander [SeC]
6
CMB / Civil Protection#35502777 · Civic Overwatch
6
Quality Assurance | Project Outbreak#647192021 · General
6
|: RAZOR :|#16675335 · Advisory Council
5
The Backrooms | B.E.A#17003790 · Junior Actor
5

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