monster_sin @monster21434 #5052161691
22 September 2023
account created (per Roblox API)
19 Oct 2026, 09:02
last measured (UTC)
Username record
@monster21434 — observed 19 October 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)
Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
KizmoTek Studio#3115970 · Community Member
7,537,729|BA| British Army#2621202 · [OR-4] Corporal
2,020,552|GAR| Grand Army of the Republic |#5214183 · Lance Corporal
1,718,610The US Military 1940s#4545116 · Private First Class
1,549,858United States Army #3108077 · [E1] Private (Basic Combat Training)
1,431,716United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,189,617United States Secret Serviceᅠᅠᅠ#5856978 · Agent In Training
636,432The United States Marine Corpsᅠᅠᅠ#5655676 · [E2] Private First Class
378,706Maritime Roleplay Community#3297339 · (I) Roleplayer
263,434Naval Roleplay Community#3534363 · High Ranking Officer🔱
258,102Australian Armyᅠᅠᅠᅠᅠᅠ#5245266 · [OR-2] Lance Corporal
114,980Top Giun#32966202 · Member
76,977FireX Industries#7132841 · Fan
70,836United Stаtes Coаst Guаrd#12372872 · [E1] Seaman Recruit
37,410[NRPC] Factions#4238504 · Members
22,678US MiIitary 1950s#4285550 · Private
16,909Los Padres Forest Service#16352767 · Applicant
14,428Australian Army Community#795751030 · [PTE] Private
10,543Sin Corporation#5919652 · Playerbase
10,335[-] Marine Corps Foreign Relations#5685487 · [P] Personnel
6,548[MRPC] USS Missouri SSN-780#14527609 · Seaman
4,072Sin™#1140556 · Followers
1,091[PA] Rain's Philippine Army#35403301 · [IMT] Initial Military Training
489AU || Royal Australian Air Force#10497377 · [AC/ACW] Aircraftman / Aircraftwoman
218United States Marine Corps (The Few, The proud.)#15576765 · freegells25
176Rapid Bodyguards#14377878 · Guests
133AA | Austrαliαn Army#8684162 · Recruit
63[ - ] 2nd Marine Division#6451373 · [AP] Awaiting Placement
60SHUTDOWN 2424#33820418 · ADF
44[USNA] United States Navy#11758126 · [E9B] Command Master Chief Petty Officer
42[USAF] United States Air Force | USM Corps#11610712 · [E3] Airman First Class
33+AA+ Australian Army#16755304 · [DPM] Deputy Prime Minister
33..[USAR] United States Army..#34605101 · [E7] Sergeant First Class
27Australian Army [AUA]#34245879 · Recruit
23-USA- United Sates of America#35602380 · Military Command
15United States Military Gulf War#16468530 · E1
13Pan Pacific Defense Core#13357454 · [E1] Cadet
8[1SFB] 1st Special Forces Battalion#35324290 · Recruit
7Military Police (MPC)#11388906 · Army Staff
6Alexes & Friends Aura Co#13990420 · Jacko
6[[+]] Marine Special Operations Command#17331105 · MARSOC HQ
5[+] Training & Education Command [+]#33098901 · [AS] Army Staff
4[ USNA ] Naval Special Warfare Command#11375029 · [NCSM] NSWC Command Sergeant Major
4[+] Special Air Service Regiment [+]#17331123 · [AP] Awaiting Placement
4[+] Officer Cadet School [+]#17331135 · AA Staff
42nd Ranger Battalion [larp]#13396389 · Battalion Sergeant Major
2Membership and rank as measured from this user’s public group list.