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@Guilhermekastroo

Biloulaag @Guilhermekastroo #1260337573

29 September 2019
account created (per Roblox API)
27 Aug 2026, 04:39
last measured (UTC)

Username record

@Guilhermekastroo — observed 27 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)

Open data

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

Also a member of

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RELL World#1226491 · [Gen] 2X2X
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Varis Studios#32421331 · Fan
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[HS] Haze Studios#6602131 · Community
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RELL GAMES#4939446 · Bronze Rell
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thunder1222 Productions#553699 · Member
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The Forge Community#35489258 · ⚒️Forger
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Clover Retribution#15890651 · Member
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CL GAMES!#34644452 · Member
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PlayCombatWarriors#5192826 · Combat Warrior
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Devil Hunter May Cry#35791681 · Member
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Midnight Continent#9233039 · Member
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Universal Tower Defense [UTD]#33861560 · Member
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Invincibly#33673697 · Member
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Komplex Studio#9190691 · Tester
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Toonrise Studios#35812225 · Member
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Frank Development#34068311 · Member
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Ghost Light Games#5096106 · Member
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Fireheart Studio#4294803 · Community
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NikkiDZN#3885445 · Supporters
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Tsukikage.#614697100 · Member
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Repotted#4081626 · Member
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Unholy Vision#35321703 · Member
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Evil Interest#586295011 · Member
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RELL Seas#11020595 · Member
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InfinityAnime#35568770 · Fans
419,903
Nindo Story#7662206 · Shinobi Alliance
411,737
MOMENTXM#17351304 · [Player]
394,446
Ashgate Studio#579224321 · Member
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Divine Duality#33206954 · Member
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Sushi Deluxe Studios#819859458 · Member
362,881
Untitled Gym Group#16271461 · Player
360,835
Splinted Studios#2821797 · Fans
288,358
Holy War X#4302692 · Community Member
249,320
Slayer Online Group#15293456 · Slayer
238,059
Shinobi: Project#5574590 · Shinobi
226,990
Snail's Shell#34834461 · Member
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Project Hero 2#1230373 · Community
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ChakraWorks#815039163 · Member
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Trillion Game#15725656 · | M | Member
141,216
Demon Corps North Branch#16346602 · gen44513
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Elementalism Studios#496549188 · Community
133,129
Unpopular Studio#7354918 · Hunters
131,482
NAMEK GANG#6664536 · Member
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Tomisto Studios!#11955474 · Member~
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GiTcHeD Games#8312836 · Error
115,323
Pixel Piece_#6537733 · Fan Up
115,154
Grand Alfheim#32393597 · [C] Community Members
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Jujutsu Academy [CC]#16294316 · Member
98,246
Evolution Artworks#4724903 · Member
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Bloodsung#33668517 · Modern Era
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N V M#6408921 · Supporters
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shinobi storm studio#5480738 · F-Rank
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Mashle Academy#32643289 · Waiting
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Ultimate Spider-Man Fan Group!#3656827 · Fans
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Jujutsu Chronicles#16065046 · Fan
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~Yurei Works~#2724482 · Basic Members
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Shinobi Saga Community#10098304 · Community Member
59,093
Team Syndacore#2845135 · Supporter
57,571
Void Creatives#5695606 · Community
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Wukashi#13878335 · Player
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ULTRA DICE#34240800 · Member
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Budokai-Z Community#15285043 · Member
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Splitline: Vision#16775930 · Diamonds in the Rough
41,720
Shinsei's Tavern#15711847 · Member
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Unhatched Games#2589829 · Players
40,563
Xeno Two Studios#12737066 · Community
40,273
Shonen: Online 2#14681002 · Member
38,690
OneBlock Team#9154735 · Member
34,740
Humanity's Fate#13281782 · Applicant
33,274
Promise Development#33283788 · Member
31,224
[CC] Shonen Online 2#32305431 · CC Tester
31,080
Bludies#32428911 · Member
26,715
Time Breakers [DBS]#3046577 · OG Time Breakers
22,208
Untitled Cultivation Game#34447463 · Member
22,128
Monster Madness Survival#5027104 · Defenders
21,408
Xeno ゼノ#8054814 · Member
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Shokuden#14123231 · Pending
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Tri-Star Studios#5110490 · Member
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MS: KEN#503844107 · Members
16,763
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Time Patrol [DBS]#3054589 · Future Warrior
14,867
Prodigy Games!#5029105 · 🌐 Fans!
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Demon Slayer Ascension#14936987 · UnWaved
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Nindō RPG#32352521 · Villager
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Unlimited: Projects#4282235 · Member
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Tk_production#16126557 · Member
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Membership and rank as measured from this user’s public group list.