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@MarkMonkey21

noob @MarkMonkey21 #475417244

29 December 2017
account created (per Roblox API)
16 Sept 2026, 10:04
last measured (UTC)

Username record

@MarkMonkey21 — observed 16 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)

8bit Studios!#16707693
56
CHAOS CITY FFA#15853653
2
[SEA] Deepwater Command#348638023
2
USMF Headquarters [USMFHG]#486228007
1
USMF Headquarters [USMFH]#35159594
1

Open data

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

Also a member of

Rumble Studios#3333298 · Fan
11,225,747
Easy.gg#5774246 · Member
4,749,120
Pilot Training Club#2794513 · Trainee Pilots
3,909,676
Pink Slime Studios#5357344 · Slimer
3,512,576
IROC Studios Building Roleplaying Community#7064117 · Verified Gamer 🕹
3,497,124
Kohaú#4731484 · Trainee
2,665,434
The Shrimp Game#12422265 · Player
2,658,097
Washiez#10261023 · Trainee
2,363,941
MetaPlay Games#8892797 · Players
2,277,290
Nova Hotels X#4683371 · Hotel Guest
1,999,143
Oh My Crazy Games#7056632 · Fan
1,985,231
Virtual Valley Games#1241210 · VVGer
1,720,457
The US Military 1940s#4545116 · Private
1,555,920
United States Army    #3108077 · [E2] Private Second Class
1,450,497
SEA Military#2648601 · [WO] Warrant Officer
1,211,138
United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,191,555
Teethyz Dentist#2957840 · Awaiting Training
1,172,592
GoPro Expedition Team#2961381 · New Climbers
1,027,853
Coast#4873189 · 🐬 Intermediate Server
893,772
Highfield City Police Department#6117548 · Colonel
888,912
Pablo's#2832203 · Intern
831,356
Five-O Community#4824823 · Member
720,787
United States Secret Serviceᅠᅠᅠ#5856978 · American Citizen
640,675
Aquatic Pool#6219433 · Vice President
635,272
HD Dev#3204047 · New Member
528,558
Soybeen#2841240 · Goobers
517,514
Mega Pixel Games#15870154 · Awesome Gamer
487,640
Valley Prison#33269521 · Member
461,186
The United States Marine Corpsᅠᅠᅠ#5655676 · [O3] Captain
378,432
MyGroupNamesThis#2986372 · Bacon Army
376,516
United States Army     #4121686 · [E1] Private
373,337
The Linkmon99 Fan Club!#407447 · #LINKMOB 😎
278,181
Unitеd States Air Force#6760741 · [E2] Airman
225,314
Oakwood Secondary Schoolᅠ#6159651 · 9A Year 9
155,619
Plehlowla's Studio#9250955 · ⭐| Member
142,511
Unіted Statеs Navy#5000347 · [E1] Seaman Recruit
136,356
Keyon Air#3447915 · 🧳 Traveler
114,493
United States Coast Guard ᅠ ᅠ#9057373 · [E1] Seaman Recruit
111,867
United States Marine Corps#2537897 · Member
87,132
Golden Ninja 50 Group#3241480 · Ninja
73,478
Unitеd Stаtеs Air Forcе ᅠ ᅠ#11448372 · [BMT] Basic Military Training
66,185
Synaptix#4900432 · Follower
58,101
valkye#8924323 · 𝑉 | shoppers ★ °
43,526
RoWifi HQ#5581309 · Member
32,715
Pilot Training Flight Simulator#6455226 · Member
29,250
Arlington National Cemetery ⁃#33675989 · Cemetery Visitor
19,214
Swift Expeditions#5338064 · [-] Climber
17,301
Fun Time Games#4182682 · Member
17,206
Dellism#2585602 · Dellist
9,430
Vanguard Private Military#33130953 · Recruit
8,120
United States Military#1068070 · Military Personnel
6,325
Sub Zero Expeditions#8722590 · Beginner Climber
5,767
Godmesh - Youtube#5279054 · God Nation
4,456
[SEA] Orion's Sentinels#16818877 · [WO] Orion's Chosen
3,926
Vanguard Military Company#13655401 · Recruit
2,999
Air Force Exchange Services#10015130 · Air Force Personnel
1,731
Stelz Games Studios#527750824 · Member
1,661
Noob-as-duck#6934667 · Member
1,451
[SEA] Aegis Command Operatives#36036468 · 『Retired Officers』
1,370
Tech Island Universe#15503263 · Members
1,298
| The United States Navy Academy |#32073903 · E-2, Seaman Apprentice
1,047
United Stаtes Armed Forcеs#4851253 · E1
993
United States Joint Material Command#15323642 · Military Personnel
927
SIMPLXᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠ#33157349 · 이용고객ㆍCustomer
912
[SEA] Maritime Assault Division#973970008 · [LR1] Harbor Initiate
874
[PIRATE] Lost Souls#35492566 · [P] New Soul
659
[SEA] THE SENTRY GUARD#35821130 · [SG-1] SENTRY RECRUIT
630
[SEA] Officer Academy#35403813 · HR Trained
541
SAF | Scotland Armed Forces#17296212 · OR-1 | Recruit
384
owls has studios#6175096 · Supporter
352
Virtico Industries#4777848 · Community Members
341
[PIRATE] Alien Force#34982331 · Grunt
324
GD Correctional Facility#10881080 · Officer Recruit
281
Marine Corps Branch#12084354 · Private [PVT E-1]
213
Unknowns British Army | BA#14590542 · [LCPL] Lance Corporal
187
Warfare Corp#34126431 · Customer
168
The United States Marine Corpsᅠᅠᅠᅠᅠᅠ#16001301 · [RT] Recruit Training
109
The Truth Hotels#10188331 · [E5] Staff Sergeant
109
United States Army [USAR]-#7193137 · [E1] Private
60
United States Air Force〔USMF〕#35239865 · [E1] Airman Basic
52
TRUST•WORTHY#8367138 · 🌟SUPPORTER🌟
43
United States Army Special Operations Command USAR#35565108 · Awaiting Placement
17
Virtico Studios#33816224 · Community Members
16
Commonwealth of Massachusetts [USA]#443179752 · Project Engineers
10
Training & Education Commandᅠᅠᅠᅠᅠᅠ#34579340 · Drill Instructor School
6
Blackridge Inc#120395492 · [CS&E] Chief of Security & Enforcement
4

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