Penguin @MrKarxsu #153382708
17 August 2016
account created (per Roblox API)
14 Aug 2026, 00:48
last measured (UTC)
Username record
@MrKarxsu — observed 14 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
Blue Lock Rivals Unofficial Fans#34671275 · Member
32,832,541Current.#34852864 · Member
18,320,035Sol's Studio#8509669 · [Gamers]
12,706,840AoTR [PI]#17347863 · Member
11,451,710(学乱) Gakuran#416091513 · Students
7,523,163Jandel's Road Trip#33097934 · Owner
7,368,340RELL World#1226491 · [Gen] 2X2X
6,624,718Paradoxum Games#4914494 · Player
6,060,633Varis Studios#32421331 · Fan
5,794,751[B:S] ARX Team#15009415 · Member
4,178,549Frost Blade Games#8605341 · Member
4,067,028Mega Obby Games!#16134074 · Member
3,662,694Habit Games!#12860813 · Member
3,548,613RELL GAMES#4939446 · Bronze Rell
3,464,118Awesome Ninja Games#15557357 · Wave 2
3,261,128Slayers Unleashed#10030212 · Game Community
2,956,519Current x Blackstar#36012725 · Member
2,868,051[LS] Raise Animals#177892318 · Member
2,321,150High Effort Projects#17327542 · Fighter
2,297,647Clover Retribution#15890651 · Member
2,074,381uma racing Community#376874468 · Member
1,759,746SLAP by Current.#1032198460 · Member
1,367,808Funzy Labs#34007786 · Members
1,284,657TS Industries.#14215552 · Member
1,092,720Alpha Engine 2#13237081 · Member
1,038,041Bizarre Collective#33161040 · Member
1,029,112Devil Hunter May Cry#35791681 · Member
1,025,476Midnight Continent#9233039 · Member
963,990Flisk Studios#16201023 · Awesome people
845,742TJim's Studio#33768122 · Member
804,620B-b Studio#365995 · B Rank +
759,034CL Game Studio#5504197 · Amigos
731,287Fabled Legacy#16467338 · Contributor
673,336Fireheart Studio#4294803 · Community
643,523Κarate#9434941 · Player
635,845COS.Studio#162575880 · Member
575,876Dynamic Creations#5799624 · Player
546,158Bloxxit Studios#3883261 · New Member
514,129Digital Merit Studios#7674505 · Players
512,243Arcade Basketball#36093071 · Member
461,046Royal Hillcrest#10380454 · Upper-Class Guest
455,319Project Baki#4626791 · Member
419,803Untitled Gym Group#16271461 · Player
360,867Final Strike Studios#5013735 · fan
342,567Unfair Flips#113168029 · Member
266,337Archived Library#32725402 · Member
252,392Project Mirror Labyrinth#127473071 · Member
179,129Attack on Titan Evolution#9099749 · Member
162,595BtKing Studios#15508585 · Member
149,408Chosen By God Inc#33418102 · Member
137,194Vaelora#32337661 · member 2
134,372Elementalism Studios#496549188 · Community
133,104Unpopular Studio#7354918 · Hunters
131,505NAMEK GANG#6664536 · Member
128,517Hoodlum Interactive#15707162 · Member
119,520Brazen Studios#3136135 · Supporter
118,286megmi game 2025#970208125 · lessest megmi
98,130VoxlGames#13117183 · Fan
84,368Failure Developers#35020362 · Ballers
76,184Mashle Academy#32643289 · Wave 2
74,192gamebad studios#15622912 · Member
72,313Project Astra Community#5047286 · VIP
70,052Keep On Rising Studios#34029001 · Rising Spark
67,916SoulzTheThird#32903258 · Member
63,241Hat & Clogs Workshop#3151082 · Supporters
38,147CaribBros#2665615 · Tester
32,278Not a small deal#35823976 · Member
27,977Public Safety Devil Hunters-#16030984 · 💬Civilian
26,470Vayron Studios#34657306 · Member
26,342Noxic Games#9462449 · Developers
23,280desire://studios#15169399 · Unknown
20,246Felony UGCs#35294099 · Chief Justice
16,197Sekai Productions#10142382 · Community
7,087Face Slapping Sect#34175563 · Disciple
6,2111M Club#34895219 · 1M Donated💎
5,207BloxLine Dev#3497710 · Member
5,177Sekiro: Shadows Die Twice#15891976 · Shinobi of the Divine Heir
4,878Misfortune Studios [MS]#14870695 · Unwaved
3,156F4eki#34804169 · member
1,337SometingStudios#13940026 · Member
1,025Re:Awoken#12401121 · Generation 0
1,002secretᅠᅠ#3038413 · Member
953BOAT GANG FOR LIFE#3746470 · Member
869Gremlin Nation#33263975 · Gremlin
637Lu Haven#33740359 · ♕・ Royals🏰
551CCD's Studios#34304266 · Supporters
458szumai#33785444 · ♡ known
439Shinobi:FC Staff Team#12391007 · Community
396S:O Studios#11410343 · Community
371KingsTwilight#6039012 · Accepted
337Tower Fantasia#34099920 · Member
293Yor Forger Fan Club#14748940 · Forger Fans
290Dracos Studios#7140540 · Studio-Member
161Rising://soul#775175442 · Developer
160EtherealElite#15752613 · Ethereal Member
156Shogun Era#12260926 · V| Villager
133HELLgames#8503121 · Dev
100Fading Development#7624847 · Member
95Blade Rush#850328365 · Contributor
91Membership and rank as measured from this user’s public group list.