Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Sinister UGC's

Sinister UGC's #568550388

115,860
members (measured 21 Aug 2026, 21:02 UTC)
29 June 2025
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENavatar customizationresellingUGC items

Sinister UGC's is a Roblox group categorized as a game studio. Created on June 29, 2025, the community has 109,661 members. The group is not ownerless and lacks a verified badge.

Description

✨ Join our group to get free items and stay up to date with the latest news! 🌌 Here you can find awesome Sinister UGCs to customize your avatar or resell. Enjoy! 🔗 Every item includes links to its matching pieces in the description. ⚠️DMCA Protected.

Written by the group; not a statement by this register.

Membership history

Growth

100,584115,860108,22210 August 202621 August 2026
268 measurements spanning 11 days, net +15,276. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 98,293–118,151 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 268
Measured (UTC)MembersChange
21 Aug 2026, 21:02115,860+7
21 Aug 2026, 20:33115,853+17
21 Aug 2026, 19:10115,836+41
21 Aug 2026, 17:11115,795+51
21 Aug 2026, 15:20115,744+27
21 Aug 2026, 14:29115,717+52
21 Aug 2026, 13:22115,665+82
21 Aug 2026, 11:30115,583+30
21 Aug 2026, 10:55115,553+6
21 Aug 2026, 10:54115,547+70
21 Aug 2026, 10:06115,477+44
21 Aug 2026, 09:32115,433+92
21 Aug 2026, 07:40115,341+3
21 Aug 2026, 07:36115,338+16
21 Aug 2026, 07:00115,322+34
21 Aug 2026, 05:42115,288+56
21 Aug 2026, 03:51115,232+52
21 Aug 2026, 02:00115,180+12
21 Aug 2026, 01:29115,168+10
21 Aug 2026, 01:14115,158first reading

Ownership

Owned by ElSinister (@Elsinisterholder) as measured.

Claimed by user #8593634177 — observed between sweeps, detected 10 Aug 2026, 17:07 UTC

Detection dates bound when a change was seen by this register, not when it happened.

Members we’ve seen

ElSinister (@Elsinisterholder)Propietario (rank 255)

@Theb0usAdmin (rank 253)

Blue Lobster (@robotic_101)✨️ Sinister Member (rank 1)

@Flaw5r✨️ Sinister Member (rank 1)

Tom (@Tombach28)✨️ Sinister Member (rank 1)

lolk1nn (@l0lk1nn)✨️ Sinister Member (rank 1)

cfl (@envisixned)✨️ Sinister Member (rank 1)

dew (@dewanoi123)✨️ Sinister Member (rank 1)

@raingao09✨️ Sinister Member (rank 1)

@gorillaman_1236✨️ Sinister Member (rank 1)

Cakeverso (@CALEBXD3DKRP)✨️ Sinister Member (rank 1)

Tangy (@Xxcoolxxboy23)✨️ Sinister Member (rank 1)

Raizyy (@cyllalt)✨️ Sinister Member (rank 1)

JonaLittle (@JonaLittle13)✨️ Sinister Member (rank 1)

Dark (@DarkOfLum)✨️ Sinister Member (rank 1)

Misery_LR (@AwuitaRx)✨️ Sinister Member (rank 1)

Steve (@kirax_w1)✨️ Sinister Member (rank 1)

@Spardelos✨️ Sinister Member (rank 1)

Heyop (@GGHeyop)✨️ Sinister Member (rank 1)

CyborgUGC (@BluesUGC2)✨️ Sinister Member (rank 1)

ShunNitta_18 (@Fanodric25)✨️ Sinister Member (rank 1)

Jojis (@EL_JojisCloris12345)✨️ Sinister Member (rank 1)

mrcarrotrants (@elijahnoob0)✨️ Sinister Member (rank 1)

igari (@Van_041213)✨️ Sinister Member (rank 1)

Jimixx (@JimixxRbx)✨️ Sinister Member (rank 1)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

Propietario1
Sinister0
Admin3
🛠 Game Dev1
🎮 Beta Tester1
Member102,075
✨️ Sinister Member102,120
Invitado0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

UGC items by this group

UGC catalogue items this creator made, by favourites — measured, over the catalogue depth Roblox exposes.

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.