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Sonic-Studio

Sonic-Studio #7934752

140
members (measured 29 Sept 2026, 23:07 UTC)
3 October 2020
created (per Roblox API)
10 August 2026
first measured by this register

OtherEN

Description

BUMPER JACK

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

Membership history

Growth

13614013818 August 2026 — 136 members30 August 2026 — 137 members7 September 2026 — 138 members23 September 2026 — 140 members18 August 202623 September 2026
4 measurements spanning 36 days, net +4. 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 135–141 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
23 Sept 2026, 17:57140+2
7 Sept 2026, 10:29138+1
30 Aug 2026, 16:10137+1
18 Aug 2026, 21:19136first reading

Ownership

Owned by RibbitRabbit (@Knuc2323) as measured.

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

Experiences

0
players in this group’s experiences right now
28,274
lifetime visits across 83 experiences
have a ride with thomas and friends0 playing now
12,106 visits
The Big Live Tour Game0 playing now
3,407 visits
thomas obby0 playing now
1,897 visits
find the thomas markers (fan made)0 playing now
1,412 visits
thomas early reel crash0 playing now
1,273 visits
thomas crashes + percy and thomas stunt show0 playing now
920 visits
the Thomas railway [ADDED SOME REBOOT STUFF!]0 playing now
885 visits
james runaway0 playing now
784 visits
DRIVE THOMAS AND FRIENDS OFF A CLIFF0 playing now
774 visits
thomas crash0 playing now
536 visits
model display0 playing now
404 visits
the thomas railway better version0 playing now
311 visits
Knuc's Sodor Building0 playing now
274 visits
Boss Battle0 playing now
240 visits
BRIO Thomas The Tank Engine World0 playing now
235 visits
sonic on Roblox Green hill0 playing now
227 visits
The Rodrick Railway0 playing now
223 visits
Steal a Engine0 playing now
183 visits
funky friday obby0 playing now
164 visits
duck and thomas escape from scrap0 playing now
148 visits
tomy thomas W.I.P- work in progress0 playing now
128 visits
Slap battles *old*0 playing now
98 visits
Thomas Simulator0 playing now
81 visits
Dead James0 playing now
72 visits
Action canyon set0 playing now
71 visits
Thomas Tower Defence0 playing now
68 visits
Thomas Tycoon0 playing now
68 visits
poketom0 playing now
67 visits
Cart ride with thomas0 playing now
65 visits
survive percy the small engine kiler tree house0 playing now
64 visits
old thomas stuff fixed0 playing now
62 visits
TEST EDWARD0 playing now
60 visits
super mayro run0 playing now
51 visits
new thomas stuff0 playing now
50 visits
the sonic elevator0 playing now
49 visits
Forsthomas0 playing now
48 visits
CART RIDE WITH THOMAS THE TRAIN!!!!0 playing now
46 visits
sonic speed simulator BETA0 playing now
45 visits
Old Roblox Obby test0 playing now
44 visits
Doof Tower Attack0 playing now
43 visits
CART RIDE WITH SPONGEBOB 0 playing now
38 visits
Five Nights at ffarquhar0 playing now
36 visits
Game0 playing now
35 visits
Have a ride with thomas and friends0 playing now
30 visits
obby 0 playing now
30 visits
Slap Battles Custom Museum0 playing now
29 visits
Thomas Sword fight0 playing now
29 visits
cart ride0 playing now
28 visits
spongebob RP0 playing now
27 visits
survive the thomas the killer0 playing now
23 visits

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Members we’ve seen

RibbitRabbit (@Knuc2323) — Manager (rank 255)

Ben (@gamerjase0610) — Bug Tester (rank 2)

MrKing (@122awesomegamer) — Admin (rank 1)

Gambit (@CaptainTheALPHA) — Supporters! (rank 1)

WORLDWID3 (@NasDee22) — Supporters! (rank 1)

Thomas (@Mamilicious12) — Supporters! (rank 1)

Goober_dude (@Calebtrain6) — Supporters! (rank 1)

JimmieFan48 (@TTMAW3) — Admin (rank 1)

Everybody (@willoz120) — Supporters! (rank 1)

Luke_WWR (@Luke32239) — Supporters! (rank 1)

DnD (@donalddouglas20050) — Supporters! (rank 1)

Evan (@evxare) — Supporters! (rank 1)

cantChat (@Naran11220) — Supporters! (rank 1)

HugeCat (@bigboyASH21) — Supporters! (rank 1)

@luigisal929 — Supporters! (rank 1)

Mightymac (@Ttteguy574) — Supporters! (rank 1) terminated

aaronwilliams90 (@aaronwill2012) — Supporters! (rank 1)

@TOSFan2020 — Supporters! (rank 1)

amirgotchips (@amirdadon) — Supporters! (rank 1)

Rustybucket79 (@poke20459) — Supporters! (rank 1)

Bryson (@fortnitexnoah) — Supporters! (rank 1)

Dante (@Dante48846) — Supporters! (rank 1)

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

Rank structure

Manager1
Developer0
Nutmonk0
Bug Tester2
Member136
Supporters!128
Admin2
Supporters& sonic fans3
Guest0

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

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The Official BTWF Group#12919580 · 7 shared members
15,045
Sodor Online Group#33182949 · 7 shared members
11,111
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18,732

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.