Mason @mjkmjmjjm #916145153

1 January 2019

account created (per Roblox API)

20 Aug 2026, 04:59

last measured (UTC)

Username record

@mjkmjmjjm — observed 20 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)

U.S.A. | United States Marine Corps#8823361

MJKMJMJJM'S GRUOP#8887863

6

[SOG] State Of Georgia Roleplay#9848323

4

[SAHP] San Andreas Highway Patrol...#14510934

3

U.S.A. | 1st Marine Division#8977023

2

U.S.A. | Marine Headquarters#8867339

2

U.S.A. | TECOM#8863944

2

Police Officer Training Group#12937364

2

U.S.A. | 3rd Marine Air Wing#9011402

2

U.S.A. | MARSOC#8977137

2

U.S.A. | Military Police#8867058

2

LCSO Sheriffs Office#13000556

1

| OCS | Officer Candidate School#9011574

1

North Wood RP Official#15214959

Open data

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

Also a member of

ROLVe#2613928 · Members

Pilot Training Club#2794513 · Fighter Pilots

Police Roleplay Community#4328109 · Community Member

Greenville, Wisconsin#3078161 · Verified Citizen

Rensselaer County Official#5499489 · Member

United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit

Stateview Correctional Facility. ∞#5025380 · Corrections Officer

StyLiS Studios#1103278 · Supporters

Strigid#6464780 · Supporter

Five-O Community#4824823 · Member

Official Palm Beach Studios#17028435 · Member

Ultimate Driving Universe#2767837 · Fans

Starboard Studios#3755133 · Follower

The United States Marine Corpsᅠᅠᅠ#5655676 · [E1] Private (Basic Training)

REACT Studiosᅠ#17180419 · Member

State of Firestone#2803360 · Tourist

Palm Creations#5611347 · Community Member

Shipping Studios#2856522 · Player

th3c0nnman Fan Group#2935457 · Fans

FRR | Los Angeles Police Department#5881087 · Cadet

Timberline Productions#7856718 · Member

Military Productions,#34003483 · Member

Pembroke Pines, FL#3741968 · Citizen

Backwoods Law#4947236 · [C] Fan

Vision Studios LLC#3610112 · Community Member

State of Mayflower#3403692 · Tourist

Τhe United States Μarine Cοrps#6772372 · RT | Recruit Training

OGVRP#5737417 · Civilian

San Junipero State Prison#6070960 · Inmate

State of Ridgeway#6768136 · Resident

Southwest Florida Roleplay Group#9844716 · Group Member

Greenpoint Police Departmentᅠᅠ#4793545 · Cadet

Concept Studiоs#10180496 · Player

RP Master Squad#8982220 · RP Squad

Trade ⊡#3248694 · Trainee

TH3RP | Store#8620318 · Followers

SIums#5564940 · Fan

Roleplays Finest Uniforms#5296471 · Customer

State Highway Patrol [SHP]#4756828 · ☆ Trooper Cadet ☆

RisingArmy Community#5253456 · RisingArmy

Official Pembroke Pines Roleplay Community#11270835 · Civilian

Precision Development Studios#15390180 · Member

SRWW | Snowkins Roadway Works#5482155 · Civilian

State Of Bartow Mansion Security#6525936 · Civilian

The City of Fort Loredo#15332660 · Middle Class Citizen

TP | Tactical Productions#10634755 · Customer

Poncake's Group#5429720 · Member

Wild Creek Fire Company#34403516 · Resident

Greenpoint Park Police#6987007 · 2IC Officer

Northern Outfitters#4193237 · Member

San Andreas State Roleplay (CZ)#13347979 · Member

Turbo Emergency Productions#13304011 · Customs Member

Roseford County, CA || LEGACY#13126500 · County Resident

State οf Indiana#13325853 · Resident

Paradise Roleplay Community | ER:LC | Whitelisted#9400041 · Whitelisted

Project Sunridge#34071098 · Whitelisted Member

TSRP Texas State Roleplay Community#12270404 · Community Member

SFRO Roleplay Group (Official)#12906704 · Member

9

[RC] | Roseford County Sheriff's Office#13183371 · Probationary Deputy

8

Utah State Roleplay | USRP#11834210 · Member

4

Red Stick Development Group#14499742 · Member

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