Undel On YouTube #9312107

members (measured 12 Oct 2026, 22:45 UTC)

25 January 2021

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
17 Aug 2026, 09:35	55	first reading

Ownership

Owned by @Usains as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

@Usains — Undel (rank 255)

@fynesse — Athletic Monsters (rank 252)

PURPL3AP8 (@SW4GYI) — Athletic Monsters (rank 252)

@F41RYDUSTTT — Athletic Monsters (rank 252)

ttv_lowkeyalex (@IlovemikeydoodIam27) — Athletic Monsters (rank 252)

El_Patron (@abthebaby13) — Athletic Monsters (rank 252)

souljaboy (@shxdofy) — Athletic Monsters (rank 252)

Emo_TionalDamage (@KayQueen65YNWMELLY) — Athletic Monsters (rank 252)

baby boo (@cooldogmaster8) — Athletic Monsters (rank 252)

raresRAHHHHHHHHHHHHH (@PADEANU980) — Athletic Monsters (rank 252) terminated

dobronxs (@SnowyySwag) — Athletic Monsters (rank 252)

notleila (@lilidahers) — Athletic Monsters (rank 252)

Shawn (@RvShxn) — Athletic Monsters (rank 252) terminated

Visions (@VisionsOfTheMist) — Athletic Monsters (rank 252)

Wrong (@Wrong_box) — Athletic Monsters (rank 252)

thvlexii (@AbbyXpumpkin) — Athletic Monsters (rank 252)

Death (@moose101106) — Athletic Monsters (rank 252)

gem (@gemgworl) — Athletic Monsters (rank 252) terminated

MrBigBubba (@MrBigBubbaa) — Athletic Monsters (rank 252)

Angel (@iiAestheticiiGirlsii) — Athletic Monsters (rank 252)

@ChloesValentine — Athletic Monsters (rank 252) terminated

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

Rank structure

Undel1

Staff0

Certified Athletic Monsters0

Athletic Monsters54

Member55

Guest0

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.

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13,510,628

The Flamingo Fan Club#3336691 · 10 shared members

9,880,135

Uplift Games#295182 · 7 shared members

14,869,090

Scriptbloxian Studios#4705120 · 6 shared members

30,031,490

Emotes CO.#5446074 · 6 shared members

6,152,136

Murder Mystery#1030692 · 6 shared members

4,768,584

Roplex Army#6727958 · 6 shared members

2,311,839

Ashe Army#4115962 · 5 shared members

4,063,397

#PeachySquad#4483841 · 5 shared members

2,233,610

FRUIT LOOPS (Official Jeffo GROUP)#7376406 · 5 shared members

1,359,691

BIG Games Pets#3959677 · 4 shared members

29,166,806

Chillz Studios#2782840 · 4 shared members

18,606,124

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.