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@MrDerrp1

derrp @MrDerrp1 #1237257553

8 September 2019
account created (per Roblox API)
16 Aug 2026, 15:53
last measured (UTC)

Username record

@MrDerrp1 — observed 16 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)

(USAF) | United States Armed Forces#10130984
78
JSDF | Japanese Self Defense Forces#7031366
26
(MP) | Military Police#10131180
6
(USMC) | United States Marine Corp#16936108
5
Don Derp Mafia#17047280
4
|The United States Airforce|#15394629
4
(ASOC) | Army Special Operations Command#15716706
3
(ASOC) | 75th Ranger Regiment#15716877
3
(MPSoP) | School of Policing#10131344
3
JSDF | Training Institute#17339449
3
[ - Desired Hangouts - ]#9863515
3
(MPCID) | Criminal Investigation Division#15716442
3
JSDF | Military Police Corps#17379406
3
(FORSCOM) | Forces Command#10130562
3
(MP1LEB) | 1st Law Enforcement Battalion#10131366
3
(FORSCOM) | 101st Airborne Divison#16933438
2
(FORSCOM) | 82nd Airborne Division#16933446
2
[U.S] Marine Special Operations Cοmmand#13149517
2
District 4 Entertainment#216659026
2
(ASOC)|160th Special Operations Aviation Regiment#16932913
2
[USAF] Game Enforcement#1006058969
2
(FORSCOM) | 1st Armοred Division#16933470
2
(FORSCOM) | 1st Infantry Division#16933534
2
[USAF] Federal Bureau of Investigation#976309838
2
[U.S Marines] Training and Education Command#13149666
1

Open data

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

Also a member of

Pilot Training Club#2794513 · Fighter Pilots
3,739,218
USSF - United States Special Forces#22025 · [6] Staff Sergeant
3,408,674
Kohaú#4731484 · Hibachi Chef
2,605,239
|BA| British Army#2621202 · [OF-1] 2nd Lieutenant
2,021,580
|GAR| Grand Army of the Republic |#5214183 · Corporal
1,662,050
RC Park#15183246 · Pilots
1,463,021
United States Army    #3108077 · [E2] Private Second Class
1,428,827
Liberty Airlinesᅠ#4820413 · 🔵 President
1,355,859
Fat Whale Games#4920885 · Whale
1,328,659
SCP | Roleplay Community#5479038 · Roleplayer
1,234,660
[CBRN]#5855434 · [E-1] Recruit
1,132,617
[CUSA] United States MiIitary#4219097 · [O2] First Lieutenant
1,117,562
Stateview Correctional Facility. ∞#5025380 · Deputy Warden
1,001,432
Highfield City Police Department#6117548 · Police Officer
860,968
Handcrafted Games#33099266 · Member
705,277
Iron Soul#559846885 · Member
681,040
Central Intelligence Agencyᅠᅠᅠ#6572612 · Agent Trainee
634,977
UnᎥted States Marine Corps#5570997 · [E4] Corporal
385,273
The United States Marine Corpsᅠᅠᅠ#5655676 · [O2] First Lieutenant
378,933
WrenchStudios A&E#9203842 · Member 🔧
365,128
Special Weapons and Tactics Unitᅠ ᅠ#10394427 · Major
299,786
Society of Witchcraft#8652643 · ☆ Senior Thaumaturges
297,604
Wrench Airlines#36065728 · Training
277,318
Maritime Roleplay Community#3297339 · (I) Roleplayer
237,712
Chronos Studios Co.#14626498 · Employee
236,676
The Galactic Republic GRW#14625178 · Lieutenant
211,151
Mano County Sheriff's Office#2864910 · Sergeant
169,731
First Response Studios.#3621763 · Member
145,690
-= AEGIS International =-#2744682 · 〔SO〕 Senior Operative
140,534
The Noobic Stratocracy#2704934 · Noobs
132,835
The Jedi ‌Order#3378280 · Initiate
110,962
7L.#889770537 · Member
108,365
Aircraft Carrier Community#7820073 · Member
86,655
FRR | Los Angeles Police Department#5881087 · Cadet
83,237
Federal Bureau of Investigatiоn#6176039 · Agent Trainee
78,613
[GAR] Grand Army оf the Republic#33537532 · ⚪ Republic Military Personnel
75,169
The Jedi Ordеr#5723250 · Force Sensitive
58,338
[G] Green Army#17365358 · O-1 | Sec. Lt.
56,435
The Republic Navy GRW#16276731 · Lieutenant
17,574
-CUSA- United States of America#4810326 · Celebrity
17,088
Confederacy of Independent Systems GRW#16417135 · Major
13,776
[CUSA] Medal Department#33777805 · Silver Star
13,178
The Legions of the Republic#366919019 · Waved
12,818
[CW] Grand Army of the Republic#1092793046 · Cadet Graduate
10,937
/-\ The Galactic Republic /-\#13467113 · ⚪ RMP - Republic Military Personal
10,785
The Jedi Order GRW#32422001 · Jedi Consular
7,116
Experimental Roleplay#17301415 · Personnel
6,371
Salt Lake City Roleplay#14566125 · Member
6,119
[ANRO] Advanced Noobic Reactor Operations#36000077 · Senior Reactor Operator
4,844
United States Μilitary Forces#33177797 · [🦅] President of The United States
2,543
[CUSA] Federal Janitorial Department#8349787 · ápiréñticé Ĵáñitór
1,996
Soda's Towing and Recovery#5487458 · Supporter
1,733
Pennsylvania State Roleplay | VC ONLY#16709634 · Community Member
1,547
The Sith Order GRW#35565877 · Hopeful
1,407
[CW] The Navy#964195468 · Crewman
778
-SFC- Starfleet Command#14841952 · [E-4] Petty Officer 3rd Class
699
[CW:P] Starfighter Corps#15625923 · Unassigned
340
Kansas State Roleplay (Whitelisted Departments)#36077764 · Member
267
United States Ａrmed Forces | USAF#17058549 · [O10] General
213
Lipiter studio#35745542 · メンバー
209
5th Fleet Security [GRW]#16276895 · 5th Trooper
159
Roblox CeIebrities#32611299 · Member
150
USAF Group - United States Armed Forces#5859647 · [STAFF]
139
[G] Peacekeepers#17365599 · Peacekeeper Elite Guidance
121
T-shirts i found at AREA-51#17115791 · t-shirt enthusiast
100
GCIAR Corporation#10887522 · [TCH] The Chancellor’s Hand
100
Fort Platinum#10368094 · Major General
100
Kansas State Roleplay (Community)#957042960 · Member
89
CIS Armored Division [GRW]#16813776 · Senior Tank Driver
84
442nd Siege Battalion [GRW]#32559661 · 442nd Minor Officer
73
SCP Foundation Y#398507775 · Member
61
Armored Division Companies [GRW]#473196641 · 101st Siege Company
54
[G] Military Police#17365627 · CS-2 | MP Cadet Lieutenant
51
Outrun Studios Official#32346180 · Game Developer
40
Joshy’s United States Military#288947354 · [E1] Private
35
Utah County Sherrif#5393461 · Developer / Bot
24
Molten County, Arizona#8796946 · Middle-Class Citizen
24
Paris Island | United States Marine Corps#16993296 · [E1] Navy Recruit
21
New York City Airlines#9983951 · SHR | Executive Manager
20
Jedi Consulars [GRW]#108505321 · Consular Initiate
17
Management Group | United States Armed Forces#54841266 · [AD] Academy Director
14
PH | Philippines Army#64440082 · P | President of The Philippines
14
Central Intelligence Agency | Military Forces#34585027 · [POTUS] President of the United States
13
Government | Military Forces#34585788 · [POTUS] President of the United States
8
Officer Academy | United States Armed Forces#35888348 · [O10] Academy Director
8
Department of Justice | United States Armed Forces#186392163 · [Circuit] Judge
8
United States Marine Corps- USAF#5928070 · Lieutenant (officer)
8
USMF CIA | Directorate of Analysis#36012599 · Senior Analyst
7
USAF - Navy#6139658 · Chief
7
Training and Doctrine - United States Armed Forces#5866973 · Drill Sergeant Commander
7
Special Operations Command | Military Forces#34585034 · [POTUS] President of the United States
6
Department of Justice | Military Forces#34585025 · Commander in Chief
5
Random Group ok?#6446498 · Admin
5
F.F.A.P.#1211385 · [5] Lieutenant Colonel
5
USAF - Special Forces#6139708 · Battalion A
5
USAF - Air Force#6139633 · Pilot
4

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