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@Mrboomtastic_123

Big1Yhu @Mrboomtastic_123 #1525944033

24 March 2020
account created (per Roblox API)
22 Aug 2026, 20:54
last measured (UTC)

Username record

@Mrboomtastic_123 — observed 22 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)

Rescue Manufacturing Co.#15047749
37
City Of Arlington Fire Department#13388833
27
Rescue MFG#33277893
13
New England apparatus#34493617
11
Charleston Fire Department |MA|#34103442
10
City of Lexington V2#34103427
9
Town Of Lexington | MA#9519166
7
Hampton Fire Department | MA#34627278
3
USMC-AIRWING#34452636
2
Coalition Studios Emergency manufacturing#15473583
2
Brichwood Fire Department#9519222
2
Boston Emergency Medical Services#11567305
1
|BFD| Bristol Fire Department#33995735
1
LPD| Lexington Police Department#34103447
1
Boston Police Department |MA|#9519293
1

Open data

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

Also a member of

Chillz Studios#2782840 · 🌟Royal Member🌟
18,636,764
The Flamingo Fan Club#3336691 · December 5th we will all do something
9,878,396
ROLVe#2613928 · Members
4,295,406
Pilot Training Club#2794513 · Trainee Pilots
3,896,389
Windburst#11189454 · Member
2,175,251
Bright Games Studios#13081182 · 🏆 Rank V
1,774,105
The US Military 1940s#4545116 · Private
1,550,576
SEA Military#2648601 · [T] Trainee
1,210,147
Factory Limited#33685094 · Worker
1,094,293
Dunn Games#4035125 · Fan
1,028,546
Stateview Correctional Facility. ∞#5025380 · Superintendent
1,007,250
United States Military 1960s ᅠ ᅠ#3454445 · E1
959,940
Μilitary Simulator#4800484 · No Division
807,825
Titanic Ship Builders!#2978092 · Builder
807,396
|BA| -British Army-#4972535 · [OR-6] Sergeant
639,539
United States Secret Serviceᅠᅠᅠ#5856978 · American Citizen
637,268
KFC | Roblox#35049530 · Kitchen Supervisor
461,191
Ninestar Games#11300992 · Member
455,546
UnᎥted States Marine Corps#5570997 · [RT] Recruit Training
384,742
REACT Studiosᅠ#17180419 · Member
330,091
Maritime Roleplay Community#3297339 · (I) Roleplayer
264,324
Naval Roleplay Community#3534363 · Axis Spy
258,064
Roleplay UGC#5809933 · 🎁 | Players
215,420
BLACK ATMOS Z#10705478 · Member
192,819
Commonwealth of Pennsylvania | RP#5598688 · Trainee
183,118
Vision Works#3190911 · Member
177,846
SM Games#4427619 · Supporter
170,803
content deleted_2864910#2864910 · Trainee
169,183
NORTHWIND | HUB#5375519 · Fan
165,847
State of Firestone#2803360 · Tourist
160,055
Palm Creations#5611347 · Community Member
158,369
First Response Studios.#3621763 · Member
147,493
United States Coast Guard ᅠ ᅠ#9057373 · [E6] Petty Officer First Class
111,814
Central Roleplay | Community#8497064 · Member
98,852
Traits of War Community#3025405 · Roleplayer
95,750
Federal Bureau of Investigatiоn#6176039 · Special Agent In Charge
78,475
USSS | Νational Guard#6752151 · [E1] Enlisted
75,831
PoliceSim Studios#3244701 · Fan
69,064
Vision Studios LLC#3610112 · Community Member
68,063
First Response | Studios#4987925 · Community Member
66,521
Frontlines Development#6335035 · Member
55,155
Τhe United States Μarine Cοrps#6772372 · RT | Recruit Training
54,170
Arctix Studios#11603956 · Players
54,022
Project Zero Group#32719179 · Member
44,825
Humane Concepts#7805788 · Evil Followers
34,531
Ozark Development Team#8289177 · Member
34,515
United States Marine Corpsᅠᅠᅠᅠᅠᅠ#5308000 · [RT] Recruit
25,806
US/EU | The Coalition#15639182 · Member
21,342
Arlington National Cemetery ⁃#33675989 · Cemetery Visitor
19,246
First Responders Series#7650011 · [F] FAN
12,172
Adstudios group#12255531 · Members
8,927
United States Military#1068070 · Military Personnel
6,260
Keystone Firefighting Commission#6426890 · [R] Recruit
4,267
Phоenix High School#33923733 · 12th Grade Student
3,255
[H:NYC]New York Police Department#35289022 · Civilian
2,504
Deer-Lodge County Fire Department, Montana#2645063 · Probationary Firefighter
2,388
JICs Fire Apparatus#6684397 · Customer
1,919
eonWare#15034216 · Community Member
1,866
Boca Raton Fire Rescue#3171945 · Recruit
1,344
Taftville Community Hub#33190021 · 🎮 | Member
938
Retro Policesim#11365984 · Supporter
475
City of Clearlake#32982989 · Resident
377
Unitеd Statеѕ Μarine Corpѕ#10053619 · [RT] Recruit Training
352
Morton County, KS#17121281 · Member
301
Underdog Development#3430274 · Member
252
City of Grantland Fire Department#8235511 · Candidate
205
Lakeview Park Fire Company #1#32787979 · Citizen
178
State of Granston#35259612 · Member
104
South Lake County#10671551 · Resident
90
Saint Pearston, Florida | 4/16/24#34183111 · Department Personnel
90
Revels Funeral Home, Inc.#33351809 · ▹ Client
80
Project: Flatbush, NY#35401009 · Tourist
77
Southlay County, MR#9541926 · Tourist
72
Taftville Fire Academy#33841501 · Junior Instructing Officer
69
(Nám) United States Military 1960's#7923867 · E9a
59
VFA-154#622141683 · Ensign
56
Hanover, MA Fire Department#33786246 · Member
43
South Metro Fire Rescue - Colorado#8473788 · Deputy district chief/District chief
8
(Nám) 25th Infantry Division 1960's#12379000 · 5th Battalion
6
(Nám) 1st Marine Divison#14433445 · Awaiting Placement
5

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