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UnderFell.

UnderFell. #9050371

160
members (measured 30 Aug 2026, 03:24 UTC)
7 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 We do not publish numbers we have not measured.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)MembersChange
10 Aug 2026, 20:38160first reading

Ownership

Owned by Tankman (@TheEdgyBones_UF) as measured.

Members we’ve seen

Tankman (@TheEdgyBones_UF)UF Sans (rank 255)

pine (@TheSenpaiNTheSpirit)Co-Owner (rank 10)

The_InkDemon (@nootmare_sanslol)Other AU's (rank 9)

PatronLibrarian_PM (@punlord94)Other AU's (rank 9)

schwalts (@Yoeleee)Other AU's (rank 9) terminated

Nacho (@BeezzyBeeX)Other AU's (rank 9)

Budd_aandPest (@justin05282020)Humans/Monsters (rank 1)

@IAmTheSharleenHumans/Monsters (rank 1)

peaky_sov (@Dragonmaid26)Humans/Monsters (rank 1)

NonCreativeName (@C_Team12)Humans/Monsters (rank 1) terminated

Klave (@jahjah1036)Humans/Monsters (rank 1)

@ZenixyfyHumans/Monsters (rank 1) terminated

TTripleTV (@wirtheredjake1)Humans/Monsters (rank 1)

BusinessManTabby (@Noham911)Humans/Monsters (rank 1) terminated

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

Rank structure

UF Sans1
Builder1
Co-Owner1
Other AU's16
UF Gaster0
UF Asgore0
UF Asriel0
UF MTT0
UF Alphys0
UF Undyne0
UF Paps1
UF Toriel0
Member160
Humans/Monsters138
Frisk1
UF Chara1
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.

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.