Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@MysteryHCKRCSTR

fogel @MysteryHCKRCSTR #907221852

26 December 2018
account created (per Roblox API)
27 Sept 2026, 15:24
last measured (UTC)

Username record

@MysteryHCKRCSTR — observed 27 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

Nosniy Games#3461453 · Fan
59,367,117
Wiggity.#12836673 · Member
31,291,536
Scriptbloxian Studios#4705120 · Legend
30,030,157
BIG Games Pets#3959677 · Fan
29,163,882
Chillz Studios#2782840 · 🌟Royal Member🌟
18,706,463
Quataun#12121240 · Member
18,471,728
Bee Swarm Simulator Club#3982592 · Member
18,242,276
Roblox#7 · Member
13,540,688
Osyriss Studios#3996161 · 💎 Member
13,062,701
BIG Games™#2703304 · Fan
11,253,654
Rumble Studios#3333298 · Fan
11,224,659
The Flamingo Fan Club#3336691 · December 5th we will all do something
9,878,013
Broken Wand Studios#4430841 · ✨ | Fans
6,848,193
Double Bandit Studios#13751258 · Bandits
6,255,551
Easy.gg#5774246 · Member
4,751,829
Pink Slime Studios#5357344 · Slimer
3,512,260
thunder1222 Productions#553699 · Member
3,390,062
BIG Games Experimental#4981455 · Fan
2,723,167
GamesReborn#3991320 · Fan
2,660,747
BlockZone#5202664 · Member
2,510,732
Universe Time Studio#6556072 · Universe Member
2,473,465
Top Down Games#5292947 · Members
2,359,894
Oh My Crazy Games#7056632 · Fan
1,984,763
Virtual Valley Games#1241210 · Tsunami Game Researcher
1,726,221
Just For Fun™#4055514 · Members
1,598,723
Beacon Studio#2589590 · Fans
1,149,654
Venti®#2911006 · Customer
1,106,364
Flamin' Studios™#2757866 · Supporter
839,453
very big wheat#6058858 · Member
757,497
Vinns Hotels and Resorts#5731115 · Hotel Guest
597,988
DoubleJumpGames#3905536 · Member
524,591
Skate Central#5881468 · Skater
459,774
Tofuu's Kitchen#5160947 · Member
448,233
DGN Game Studios#32594942 · 💪 Lifter
423,701
UnᎥted States Marine Corps#5570997 · [RT] Recruit Training
384,562
Studiolo#6152542 · Member
333,101
Blu Crew#3450277 · Member
303,205
Frenzy's Roblox Group#16927870 · Member
293,386
TheGreatDevelopers#4144750 · Member
245,548
Pet Zoo by Voldex#3981930 · Member
243,883
Tofuu's World#7204041 · Member
226,554
SplashDev#5867010 · Member
220,350
Emote#5015215 · Gamer
204,151
Sellout Studios#4533129 · Player
188,258
Cosmic Development#3751482 · Fans
183,893
TeraBrite Games UGC#3157072 · Member
159,550
PhaseYT Fans#5777113 · Member
153,455
Snowballers!#8528136 · Member
116,810
The Diamond Mafia#5219766 · 𝐒𝐥𝐢𝐠𝐡𝐭𝐲 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝 𝐃𝐢𝐚𝐦𝐨𝐧𝐝 (𝐒𝐢𝟏)
116,661
DitunoStudios#5847534 · Supporter
101,216
Neox Fan Group#8082838 · Member
85,455
North Studio#2735931 · ✨Snow Premium
59,882
SuperHero Battle Simulator Club#5136543 · Member
59,294
The Robloxian Christians#477219 · Church Member
54,004
Unify.#6288598 · Member
52,064
The Grеat British Kingdom#6104033 · Cadet
51,684
Don’t Fall Studios#3938105 · Faller
49,591
Nightmare Studios#1116146 · Fan
28,694
Noah's Hangout#5837633 · Advocate
23,316
United Nations Space Cоmmand#6732619 · Recruit
22,751
Dunkin Queen | Cafe#7128111 · [LR] Barista
21,741
The Senate and People of Rome ‌‌ ‌‌ ‌‌ ‌‌ ‌#3295781 · Provincial
21,699
Doge Fan Club!#975225 · Doge Fan
19,628
Marvellous Mania#6253473 · Fans
13,127
Futures Command#7662330 · Member
6,327
The Duckie friends group#5974962 · Baby Duckies🐣
6,156
Dream Trampoline Park#7686264 · [🤸] Dream Jumpers
5,948
Content_Deleted(7493836)#7493836 · 💰Armed and Dangerous
4,152
The Supreme Pepsi Fan Club#8498909 · Member
3,669
Doge Apparel#5510742 · Normal Doge
3,502
NO NOOBS Apparel#7521759 · not noob roux
2,358
Lemon Bread Clothes#6906268 · Customer
1,845
|:| Shiba Studios |:|#6742213 · |🥉|doge
1,163
Chimken Squad#6486780 · Chicken
981
Duckus Memorial#6951321 · Duckling
972
Doges Unjted!#6104519 · Doges!
946
Infinite Mountain Ski Area#4555335 · Resort Member
601
Fort Husky#6341010 · Husky (Verified)
533
the the the the the the the th e#3475656 · It's Free Real Estate
403
Tix 'GoodBye#6772542 · 1 | ✨Sad✨
329
Mia's Cute Aesthetics ;p#7663360 · Member
259
adios dudes#5038525 · fans
245
The green radierz#4392972 · Member
151
Roblox pros welcome#4705260 · Cool Kids
137
Doge Containment Facility#9393346 · [DTS] Doge Test Subjects
54
LIFE GIVS U LEMONSS#6896425 · bought clothes
20
Kronic illness#6505196 · Bacon hair
17
Mrmrblabla_studios#5963574 · gamek_4
15
GoldMarioSS#13448860 · Member
10
Wings of fire fan group!!#8018181 · Dragon
10
Peeeeepa pig *OINK*#7096628 · George Pig
9
The-Hamilton-Fans#10171188 · Lafayette
5

Membership and rank as measured from this user’s public group list.