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@MasterTJ_1229

Mortimus @MasterTJ_1229 #1593680672

27 April 2020
account created (per Roblox API)
16 Sept 2026, 11:12
last measured (UTC)

Username record

@MasterTJ_1229 — 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)

Open data

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

Also a member of

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BRAZILIAN SPYDER#35815907 · Member
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lol games..#12208023 · Member
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Wiggity.#12836673 · Member
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BIG Games Pets#3959677 · Fan
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Yielding Arts#12013007 · Player 🎮
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LSPLASH#3049798 · you guys
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Sonar Studios#2919215 · 🕹️Sonarian
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Chillz Studios#2782840 · 🌟Royal Member🌟
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Roblox#7 · Member
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Sol's Studio#8509669 · [Gamers]
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BIG Games™#2703304 · Fan
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Virtuality World#3606245 · Member
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⨯ Small World Games#17140361 · Goof
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Wild Atelier#7947655 · Member
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Car Crushers Community#2726951 · Skilled Crusher
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Official Group of Drift Paradise#5216132 · 👤Standard Drifter
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Emotes CO.#5446074 · Member
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TPC Games#32350554 · 💚 Fan
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The MonkeyMan Fan Club#14765325 · Member
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San Diego Community#177149320 · Member
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Play! Studios#7165738 · Supporter 😇
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Marizma Games#3763098 · 🌀 Member 🌀
4,290,158
ChainLemonade Studios#5916008 · Lemon
4,250,695
Gamefam x Sonic#13632331 · Member
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Windburst Banana#13657923 · Members
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US Simulators#10741807 · Member
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EQ Productions.#10360930 · Member
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XiaoChen Simulator#13780521 · Fan
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Prometeo Games#3269094 · Ablecross
2,857,540
Mega Simulator Games!#14321700 · Fan
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Place a Brick#1004134319 · Member
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Alex & The Squad#3162652 · Sharkies
2,055,244
Nova Hotels X#4683371 · Trainee
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B2Dev Studio#35442821 · Member 🔫
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Kypher Studios#3797636 · Member
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Car Crash Simulator Official Group#3338997 · Fan
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+1 Speed Bridge Building#699005683 · Member
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Generation X Studios#7224788 · Awesome Member
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wunmo#8019744 · wunmo
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Asylum Life Community#5819563 · Patient
1,389,035
Hotpot Studio#6897155 · Member
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Crush Depth#487909529 · Member
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Summit Games Productions#11176539 · Fan
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Captain Grumpy Games#8136094 · Member
1,154,626
[Dinosaur World]#4409241 · Supporter
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dreamy™#4266525 · Supporter
886,040
Protein Cookie Creations#16911030 · Owner 🍪
863,058
The Feather Family 🕊️#4336588 · Family
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World // Zero#4484634 · Player
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ECG Studio#7227187 · Member
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Shampoo Games#5510485 · Member
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Khongumu#12369782 · player
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axel x wzy#32061501 · Member
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Impossible Obbies :)#35751347 · player
515,235
Notula Studio#15885282 · Member
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Marmot's Oven#33895110 · Member
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The Basic Studs#13602306 · Member
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okay games..#35137308 · Member
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The LitterBox#9089595 · Member
420,410
Watch Your Step Studios#36019997 · Member
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Silux Games#10739264 · Member
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The Galactic Empire ‌ ‌ ‌ ‌#3145747 · Cadet
361,949
The Chicken Nugget Gang#3015005 · Chicken Nugget
352,810
The Comedy Elevator Fans#6215742 · Big Fans
333,202
Tensho Industries#12619358 · Players
316,558
Nekobyte Studios#3510718 · Fans
312,808
Lordsy#14458400 · Member
298,463
Be a Battery#406929925 · Member
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FalconRise Studio#12809226 · People 🙍🏻‍♂️
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HOLOCENE#5205464 · Member
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Maze Productions#4664013 · Member
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Stank Industries#16006586 · Supporter
207,309
Marines UGC#32785771 · Member
193,112
Ledantio Studios#33277033 · Member
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Koudai#14836221 · 🧨Thugs
144,470
Leo's Experiences#10917898 · Fans
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World Simulation#656546235 · Member
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Tad the Merchant#6187037 · TeamJK Member
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Friknob#8413696 · Friknobs
85,232
Deca Studio#16370191 · Community
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|~| Snack Studio |~|#12916710 · Members
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- Chick Production -#178699652 · Chicks
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Membership and rank as measured from this user’s public group list.