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

Ron @JERKJeffthekiller #91744964

16 August 2015
account created (per Roblox API)
21 Sept 2026, 00:45
last measured (UTC)

Username record

@JERKJeffthekiller — observed 21 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

and Collect Rare Pets#825735094 · Member
112,737,727
Nosniy Games#3461453 · Fan
58,860,805
Wiggity.#12836673 · Member
31,189,118
BIG Games Pets#3959677 · Fan
29,166,106
Gamer Robot Inc#4372130 · Member
19,663,607
Chillz Studios#2782840 · 🌟Royal Member🌟
18,667,788
Bee Swarm Simulator Club#3982592 · Member
18,237,841
Rumble Studios#3333298 · Fan
11,225,658
BestBunny#15150189 · Member
8,379,078
RELL World#1226491 · [Gen] 2X2X
6,625,156
Paradoxum Games#4914494 · Player
6,063,155
Varis Studios#32421331 · Fan
5,796,936
[HS] Haze Studios#6602131 · Community
5,271,961
Shadowrise Devs#1002185259 · Member
5,138,029
Small World Games x Anime Defenders#34121350 · Member
4,753,832
Volleyball Game Group#35330702 · Volleyballer
4,570,067
[B:S] ARX Team#15009415 · Member
4,175,739
Frosted Studio#3385385 · Fans
4,046,356
Fish Atelier#35102746 · Member
3,870,840
Ouw Productions#12851171 · Member
3,845,134
Badimo#3059674 · Member
3,511,813
[B:S] ALS Team#12229756 · Member
3,487,248
Garden Defenders#35989084 · Defender
3,372,219
Krabby Krew#34990762 · Anchovies
3,021,390
Slayers Unleashed#10030212 · Game Community
2,956,262
XRA Games#226553259 · Member
2,942,189
Dungeon Quest by Voldex#4788489 · Member
2,817,873
GamesReborn#3991320 · Fan
2,661,447
BlockZone#5202664 · Member
2,511,471
Universe Time Studio#6556072 · Universe Member
2,471,005
Top Down Games#5292947 · Members
2,359,668
Just Games..#13270425 · Member
2,232,436
G RBLX Games#3481335 · 🔥| Players
2,218,022
DevvGames#4856485 · Member
2,061,900
Hyper TD#33298472 · Member
2,061,622
Meme Sea Group#15403828 · Meme Lover
2,040,402
Oh My Crazy Games#7056632 · Fan
1,985,199
LightGaming!#6887275 · Member
1,970,579
New ProjectR#34873522 · Member
1,857,914
[B:S] Anime Fighters#9213039 · Fan
1,838,275
Ghostworks#8204913 · Fan
1,724,873
Boss Studio [ V.1 ]#13494271 · Member
1,701,360
Jump Corp#34223768 · Player
1,559,958
CL GAMES!#34644452 · Member
1,536,894
Roblox Rallying Group#6217280 · Member
1,457,768
BloxStrike#33751825 · Member
1,398,663
[B:S] One Fruit Team#16132143 · Member
1,371,008
LudicBoss#14876045 · Membro
1,355,794
Schwifty Studios#3642592 · Fans
1,312,290
SCP | Roleplay Community#5479038 · Roleplayer
1,274,677
AnimeReborn#33820338 · Member
1,273,128
THE STALKERS OG#567549719 · Membre
1,100,534
Vitan Games#35012066 · Fan
1,036,297
Peanut Butter Entertainment#34401723 · Member
1,016,256
Lucid’s UGC#32642659 · Member
990,227
Handsim Studios#32398494 · Member
983,225
AFS: Endless#361078446 · Member
967,541
Arc I: Warriors#34783288 · Member
914,445
Skilled Studio LLC#787581 · Fan
880,986
Enclamatic Simulations#13758476 · Supporter
854,509
System Arts Studio#16819392 · Member
850,789
TAKLA SQUAD#9546376 · Member
728,857
Toonrise Studios#35812225 · Member
723,401
The ROBO Studio!#722496089 · Member
721,385
Fabled Legacy#16467338 · Member
674,576
Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
617,774
STO Studio#33243447 · Member
607,466
Tsukikage.#614697100 · Member
572,102
StackOrStarve Studios#8667673 · Community
554,985
Anime Fighting Simulator X#14592400 · Member
514,801
Digital Merit Studios#7674505 · Players
512,149
MM2 of The#657728329 · Member
504,761
Gorilla Ape Productions#6743014 · Fans
483,450
Valley Prison#33269521 · Member
461,167
UFO Developments#12193999 · Fan
437,177
Grip Studios#32519006 · Member
425,398
GMD Corporation#2707586 · Fan
422,194
Smooth Brain Games#66940492 · Member
394,719
Silux Games#10739264 · Member
374,188
Final Strike Studios#5013735 · fan
342,519
United States ꓠavy#4683405 · Navy Recruit
332,034
MrNotSoHERO Official Group#3543123 · Members!
320,126
GrandFinale#7823755 · [💙] Fans
308,549
i cant think of a good name part 5#33933145 · - { Newcomer } -
285,953
Bitter Oats Productions#391001832 · Member
262,297
mayrushart Fan Group#4315232 · Member
246,201
Zero Developer Studio#10749844 · Member
227,180
Shinobi: Project#5574590 · Shinobi
226,984
EVERYTHING MUGEN#12097731 · The Horde
196,959
Dejavu Studios#15813633 · Member
187,323
Rorian Adventure#6034897 · Players
164,066
[B:S] VP Team#34730772 · Grade 4
144,325
Reason 2 Die Community#1104933 · Members
142,277
Chosen By God Inc#33418102 · Member
137,140
Blam Spot's Party#1119458 · Member
128,983
galaxymonkey#4966707 · Member
127,102
World Simulation#656546235 · Member
91,100
HxD Studio#34427843 · Member
67,855
Indiean#344850146 · Member
65,783
the coolest devs that ever deved and rob#34029913 · Member
62,177

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