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@sierrasandra

Yuan @sierrasandra #1183393113

30 July 2019
account created (per Roblox API)
16 Sept 2026, 14:29
last measured (UTC)

Username record

@sierrasandra — 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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LSPLASH#3049798 · you guys
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braxworks#5268948 · Supporter
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The Flamingo Fan Club#3336691 · December 5th we will all do something
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BlushCrunch Studio#14576965 · Member
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Cebrail's Studio#33201221 · Boss
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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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Tycoon Empire Studios#11221055 · Fan
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Play! Studios#7165738 · Supporter 😇
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Pilot Training Club#2794513 · Airline Pilots
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QuadraTech#4645213 · Supporter
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Ready, set, more!#7371243 · Fan
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USSF - United States Special Forces#22025 · [4] Corporal
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The Shrimp Game#12422265 · Player
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Team Sloth Forever#3367671 · Member
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Police Roleplay Community#4328109 · Community Member
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Ponchokings#5103418 · Passenger
2,194,732
Cruising Studios#5435520 · Fan
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Velstorm's Survive Overnight Game#35468177 · Member
1,762,827
Virtual Valley Games#1241210 · VVGer
1,723,514
RC Park#15183246 · Pilots
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United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
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ONE BOUND STUDIO#36067876 · 🎮 | Players
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United States Military 1960s ᅠ ᅠ#3454445 · E1
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Waffle's UGC#14511880 · UGC Goblins
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Limitless Flight#34695485 · Member
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South Pacific Airways™#3909938 · Passenger
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Quarantine Roleplay Community#6448240 · Community Member
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Royal Red Panda#473459915 · Member
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Scooby Studios.#9166214 · Supporter
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The Filipino Army#6052143 · [PVT] Private
488,064
Shovelware Studios#2816074 · Shovel Fan
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Round 2 NYC#7498332 · [☆] Kommunity | 10+ Purchases
438,165
Pixel-bit Studio#2684297 · ✨Subscriber✨
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funny & silly games#14684688 · Member
359,985
The Extra Scary Group#903885992 · Fan
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Ultimate Games#8102840 · Member
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Project Flight#5868640 · Member
314,864
Oof Games 2#3788014 · Oof
276,801
special games group#14399850 · member
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The Sinister Realm#35305466 · Member
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Taco Dev#4250926 · Lil Taco
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Team Shark#1044005 · Fans
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OOBER STUDIOS#34356745 · OOBER 🔥
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The Poke Squad #Pokediger1#3747712 · Member
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PigeonProblem#13228544 · Pigeons
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SM Games#4427619 · Supporter
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PANDEMIC.#3532462 · Fans
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Water Park World#5114552 · Member
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IndoConnect Transport#33201381 · Members
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SKER 新霧電鉄公式グループ#33248966 · メンバー/Member
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島間電鉄|Shimakan Electric Railway#33169976 · メンバー|Member
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Steam Age Fan Club#3607410 · Member
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Plane Crash Simulator#12664274 · Member
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Paradigm Games#3010007 · 🎢 Supporter
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Aircraft Carrier Community#7820073 · Member
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EIeven Games#9907762 · Member
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Nexus Development#1131535 · Fan
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Railway Engineering Studios#8133793 · Follower
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Railroads Of Weldshire County Group#13097887 · Member
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関急電鉄/KANKYU ELECTRIC RAILWAY#33166081 · メンバー/Member
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Potato Transit Authority#5613578 · Fan
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Sploshy Fan Page#3248139 · Member
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Tableboard Studios#4795028 · Tableboardian
46,645
Table Flip Studios#2805638 · ✨ | Table Flippers
44,958
SFS Flight Simulator#3083863 · Captain
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αlphαᅠᅠ#34071100 · Miembro
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Ro-Indonesian Engineers#32401705 · Member
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KARIS Community#965384412 · ★ supporters
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TK市 グループ/TK City Group#14510935 · メンバー / Member
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Ro-Planes Development Official#3170459 · Fans
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Rails Unlimited Open#3583111 · Players
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The Eternal Engine#6626969 · 3rd Class Passenger
27,923
wesfilms#3628397 · Member
27,799
北野電鉄 | K.T.N Railways#34003206 · 乗客 | passengers
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SepurHolic#34058539 · Member
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HKMR Limited#14304664 · [α] Alpha Men
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TOKA RAILWAY#13984019 · 乗務員(運転士、車掌)
22,362
STEALTH STUDIOS [Official]#32570928 · Players/Members
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N7 OFFICIAL COMMUNITY#35295894 · N7 Members
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Nusarail Legacy#34006520 · Regular Member
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MTR, 港鐵 | Mass Transit Railway, Hong Kong#17152650 · [G] Frequent Customer
16,867
SkyLink Group#9258650 · SkyLinkers
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Train Mania Drivers#15509584 · [TD] Trainee Drivers
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Singapore Bus Services Transit#2996279 · [T] Trainee
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Mutated Cube#16968448 · UNITS 凹[◎凸◎]凹
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Darin Stuff#11364537 · Member
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Japanese Train Drive Sim. - 湊鉄道#35703104 · [DR] Drivers
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RLT Studios#11412969 · First Class
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The GentIemen#7405096 · Gentleman
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THAISCALE Railway Company#33295946 · [PR] Player
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SnowSvardo Studios#8672843 · Fans
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The Humblenauts#5224484 · Fans
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Sky Alliance (TM)#6804845 · Customer
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Searchlite Studios#5089910 · Engineer (Member)
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Thomas and Friends Collectible Railway Official🚂#4297521 · Railfans!
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The J's Railway Projects#35359125 · Member
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Light Rapid Transit System Group#33744712 · Member
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Membership and rank as measured from this user’s public group list.