sleepy @karljnr123 #398089977
22 September 2017
account created (per Roblox API)
12 Sept 2026, 01:01
last measured (UTC)
Username record
@karljnr123 — observed 12 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.
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Also a member of
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35,442,441Wiggity.#12836673 · Member
31,235,838Byteonix#9642354 · Member
18,834,842Bee Swarm Simulator Club#3982592 · Member
18,239,739Uplift Games#295182 · Dreamer
14,929,442Sol's Studio#8509669 · [Gamers]
12,730,892The Builder's Legion#2801805 · Players
11,184,308Cebrail's Studio#33201221 · Boss
9,278,891Badass Experiences#9825692 · Member
9,039,739KizmoTek Studio#3115970 · Community Member
7,670,566Low Effort Studios.#16403616 · Yeeter
7,388,944Brainrot Evolution#35325835 · Member
7,259,449Official Group of Drift Paradise#5216132 · 👤Standard Drifter
7,068,737Foxzie#3955051 · 👤 Member
7,032,296Slap Battles#9950771 · BELOVED FAN <3
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6,154,397Speedy Car Games#124937935 · Member
6,153,1349D GAME CLUB#241962998 · Member
6,001,370Tycoon Empire Studios#11221055 · Fan
5,246,208Driving Empire by Voldex#4999963 · Driver
5,062,979Welcome to Bloxburg: Fan Club#2910593 · Bloxburgers
4,939,399Specter Development#4466249 · 👤Member
4,670,309Switch Arts#993893178 · Member.
4,493,929mPhase#10587104 · Member
4,456,492ROLVe#2613928 · Members
4,296,398Pilot Training Club#2794513 · Trainee Pilots
3,916,458QuadraTech#4645213 · Supporter
3,866,003Roblox Wiki#127081 · Wiki Helper
3,762,375Mega Obby Games!#16134074 · Member
3,662,010NoDrivingLicense#271600977 · Member
3,519,943IROC Studios Building Roleplaying Community#7064117 · Verified Gamer 🕹
3,497,609High School Life Fans#1051234 · New Fan I
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2,660,729Garage Games#279288859 · Member
2,652,531UpScale+#282309935 · Member
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2,485,279best tycoons studio#33447943 · Owner
2,468,025Team Sloth Forever#3367671 · Member
2,420,821Place a Brick#1004134319 · Member
2,167,011vibing games!#566259038 · Member
2,083,420Nova Hotels X#4683371 · Hotel Guest
2,000,684Capybara's Productions#16890920 · Member
1,946,789Taxi Boss Group#11987919 · Member
1,894,138Raven Network#34218952 · Member
1,880,636Gomex Studios#35716852 · Member
1,788,925Nova Digital Games#526536480 · Member
1,763,560Bloxton Hotels#2788849 · 1 | Hotel Guest
1,742,041Car Crash Simulator Official Group#3338997 · Fan
1,613,365Roanoke, VA#4451448 · Member
1,586,203Lite Empire#3602628 · Player
1,577,379veedio gaems#33896179 · idk
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1,271,144The Bruzz Group#36029920 · bruzz
1,253,080Korean Game Studio#35439086 · [선수] Participant
1,222,169BAKGAME#177870152 · Member
1,171,912Your Gym Game#874474070 · Member
1,068,792ObliviousHD Fan Group#2769555 · Popcorn Enjoyer🍿
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1,007,287OOFer Squad#3718364 · Member
838,144Pablo's#2832203 · Intern
832,245Cheesy Sausages#8754124 · Cheesy Guy
717,875Derpie Studios#2861387 · 👽 Player
694,026Extreme Funs#32428991 · Friend
685,662Tiny Panda Studio#5022320 · Panda's
662,448InfinityBattles#16495000 · Member
591,679Brazillian Football Games#853085370 · Member
571,354Destroyer of Cookies#12463875 · Destroyer
538,172Clogged Games#13169595 · Clogger
502,086Fluffy Crown#6449129 · Fan
497,458Royal Hillcrest#10380454 · Upper-Class Guest
455,146Bankrupt Experiences#35064763 · bankrupt players
435,501Mad Vikings Production#1227688 · Fans
431,121FUT: Group#34250916 · Members
411,736Vibe Production#7090903 · Fans
320,652Alex & Denis#3371267 · Member
307,472Sierra Winds#13104082 · member
280,870Simple Games to Play#33360093 · 😁|BEST FRIEND
278,332Great Scott#5516617 · Member
256,119Nory 私#17369167 · Warriors
254,806Smash, Smash, Smash#124047541 · Member
244,825Cool Cat UGC#8416624 · Owner
234,635cyber hell#5429615 · *•.𝘤𝘶𝘴𝘵𝘰𝘮𝘦𝘳𝘴.•*
216,869Emote#5015215 · Gamer
204,189Sandy Shores | DOJ-RP#10855191 · Member
183,436Crazay Creations#35202579 · Member
183,129Siena Studios#13237093 · Member
170,960SHOP ROCKSTAR#9953637 · ✭ Bronze Rockstars®
164,930South London 2 Community#7638375 · Regular
162,740Murder Mystery Prestiges#2687190 · Community
160,645Mi gato Creations#12079514 · mi
125,674Horizon Studios 9#8767534 · 🚗Group Member🚗
117,210Neighborhood War Group#4625571 · Normal User
109,851FractalReality#11666030 · MEMBER
109,115Membership and rank as measured from this user’s public group list.