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@mr_katalyst

kat @mr_katalyst #3026945398

2 November 2021
account created (per Roblox API)
18 Sept 2026, 17:45
last measured (UTC)

Username record

@mr_katalyst — observed 18 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
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lol games..#12208023 · Member
35,345,482
LSPLASH#3049798 · you guys
24,186,505
Chillz Studios#2782840 · 🌟Royal Member🌟
18,668,433
The Flamingo Fan Club#3336691 · December 5th we will all do something
9,877,626
BlushCrunch Studio#14576965 · Member
9,545,705
club XOX#8327387 · Member
8,417,485
Slap Battles#9950771 · BELOVED FAN <3
6,732,609
Tycoon Playground#10446127 · Member
5,469,489
Forsaken Dev Team#33548380 · Member
4,604,566
The Venomhawks#746843 · Fan
3,681,989
Gamefam x Sonic#13632331 · Member
3,566,672
LDS Fighting#12780439 · Genin
3,275,731
laughablehaha#5054016 · Member
1,962,620
Names Are Not Important#8731481 · Member
1,920,332
Car Crash Simulator Official Group#3338997 · Fan
1,613,564
FLOPPA#1#14179659 · Bingus
1,480,680
wunmo#8019744 · wunmo
1,437,546
Polaroid Studios#15422038 · Pre-Alpha Players
1,263,381
Captain Grumpy Games#8136094 · Member
1,154,770
Urbanshade: Hadal Division#9683893 · Vultures
1,077,770
Retro Dev#5264310 · Member
1,034,958
markers epic memers#5218018 · Member
1,022,374
push to start#16345316 · Member
959,522
Yungmuney Neanderthals#34526075 · goober
901,800
Protein Cookie Creations#16911030 · Owner 🍪
863,157
I make random games#32925160 · Owner
829,735
nico's stu#9511731 · member
750,037
Jean's Bizarre Community#6356872 · Member
729,109
Stevos Gem Eras Roleplay#4303068 · ✨ | Supporter
728,793
Splitting Point Studios#4491593 · Member
727,335
Thinknoodles Community#3732425 · Member
721,021
Cheesy Sausages#8754124 · Cheesy Guy
718,021
CatLeo Studio#6469321 · Fan
714,503
BUUR#3744035 · PENDING
623,627
Whirlpool Studio#2756366 · Fan
621,582
STO Studio#33243447 · Member
607,460
4 Studs#16127418 · Fan
607,001
_vocational#34601440 · Member
540,155
Skyrunner Studios#17131238 · Member
530,836
Sebee#6303746 · 😎 PRO
527,101
disgustingly bad and horrible games made by builda#60546115 · Member
481,442
The Fartering Few#8532621 · Member
373,980
xFrozen Studios#9645632 · Member
296,809
Thermal Interactive#11517261 · Member
292,509
special games group#14399850 · member
266,601
Unfair Flips#113168029 · Member
266,279
Komeri Obby#16346027 · GAMER
237,862
Team Red Ring#33304839 · nullvix fan #1
216,698
Grow#2557820 · Fan
181,091
DreamWorks#33298196 · Member
146,130
Sacrifice Lab#4791770 · 🕹Member
144,417
Sylixum#17327381 · Member
127,725
dun's death pit#7101603 · finders
124,328
Friknob#8413696 · Friknobs
85,249
bia complex#5282784 · unasssigned
74,666
DIMENSIONAL COALESCENCE COMMUNITY#33398810 · MEMBER
72,460
Toptier Production II#32416963 · Member
63,349
LOL Gamer Studios#16345530 · 🌟Member
57,252
LE-GAMES#34270832 · Gamer
56,766
Find the Pencils Fan Group!#13951381 · Fan!
39,396
Encave Interactive#9879775 · Fan
28,956
Team FUNHOUSE#425337507 · Member
24,544
Green Bagel#5797351 · Member
24,033
Ethan's Mineshaft#34219217 · Member
5,352
COOL DUDES ONLY!!!!#7199853 · COOL DUDE
3,876
SLAY I GUESS???#14746408 · Member
33

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