FullMasked_Mark @maximumeffect19 #657273623

27 June 2018

account created (per Roblox API)

29 Sept 2026, 10:18

last measured (UTC)

Username record

@maximumeffect19 — observed 29 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)

(British) jobs and Royal guard#15981501

{Account storage}#33351014

8

.National Hockey League.#32738955

7

The core of groups#15536108

5

We support Roblox beginners and noobs#15497275

5

Regen’s plushy group#16727213

4

Secure Contain Protect (SCPf)#15534579

3

Is that a mtf gun#15536034

3

Class-D (scpf)#15554358

3

Half life is amazing#15536014

3

.Roblox Sports Association.#33922539

1

.Roblox Hockey League.#33916379

1

Sovet union.#16532929

1

.National Hockey League Player Association.#32935700

1

.Hockey Association.#33922508

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Virtuality World#3606245 · Member

KizmoTek Studio#3115970 · Community Member

RCM Games#11867394 · Member

Easy.gg#5774246 · Member

Forsaken Dev Team#33548380 · Member

Thinking Project#1235888 · noob

Ponchokings#5103418 · Passenger

Box Games#3002493 · Member

Vanity Studio#4063400 · Fans

|BA| British Army#2621202 · [OR-2] Private

|GAR| Grand Army of the Republic |#5214183 · Cadet

Car Crash Simulator Official Group#3338997 · Fan

Crimelife#16727292 · Member

Rats United#5948630 · Rat

SCP | Roleplay Community#5479038 · Roleplayer

[CBRN]#5855434 · [E-1] Recruit

Bomb Tick#88455021 · Member

Glory Kill Testing Fan Group (WE ARE BACK)#14792838 · Fans

NFL Universe Football by Voldex#2894777 · Player

The Nighthawk Imperium#1174414 · | 1 | Citizen

Μilitary Simulator#4800484 · Red Army Conscript

Splitting Point Studios#4491593 · Member

† Christians of Robloxia †#184799 · Christian

Quarantine Roleplay Community#6448240 · Community Member

Imperialist Robloxian Federation#872876 · Low Class Citizens

Moondrop Studios#4368670 · Member

Royal Hillcrest#10380454 · Upper-Class Guest

don't read the group's description#35455005 · member

Project Combat#14077803 · Member

Extreme War Experience#5863339 · Roleplayers

Moonstone Games#8918098 · Member

Creative Storms#7105773 · Member

Bad Business#3532271 · Fan

Splashy Studio#8442735 · 😊 Friends

Temprist Club#4582446 · friends

FRP | Red Army#5224523 · Efreitor

The Rainbow Omega Group#3229253 · Normie

Gamefam#6742246 · Amazing Community Members

BrainrotsForNoobs#901880190 · Member

Federation Of Robloxian People#4246982 · Group Member

Gaming Cantina#6593507 · Traveler

The Galactic Empire GRW#5298627 · Recruit

Airys Games#35852307 · Member

SplashDev#5867010 · Member

Soccer RNG#34895215 · Member

Vision Works#3190911 · Member

Flappys Studios!#8159314 · Scientist

Meme Supply#8179310 · OG Memebers

Maniblox Games#10755397 · Member

Bread Incorporated#4589364 · Crumbs

FRP | Police#5224525 · Trainee

Bad Skeleton#4121917 · Member

the bob mob#34910909 · bob

Roman Entertainment#6531840 · [Community Member]

Red Bear Community#7060982 · Supporter

J Cowboy Studios#10117472 · Fans

NHL Official Roblox Group#16446223 · Member

The Horse Game [Official]#6079937 · Supporter

WW2 Zombie Survival#11804655 · Survivor

Canadian Armed Forces #3877279 · Private

Blue Ridge Games#5640975 · Player

SCP - Devolved#5557159 · Member

Melchett's Living History#3450995 · Community Member

Model Studios.#5921330 · Roleplayer

FRP | Divisions#5224532 · Member

SHOE-CORP HQ#34158959 · Intern

The Argonian Empire#9195290 · Residency

Sebee UGC#16502413 · EARLY Pro Shopper 😎

The Robine Divisions#2897688 · Follower

Tragedy Corp#4083075 · Fan

Spatial Games#35201579 · Fan

S.C.P Facility UGC#16021489 · Level-1

[SCP:UA] SCP Universe Apparel#12326689 · SCP Fans

|| Imperial Japanese Empire ||#4488584 · Conscript

Doctor's Studio#8699237 · 경비원 Security (Members)

· International Hockey League ·#9664599 · Free Agents

Simple Horror#3580238 · Players

The Bacon Fan Club Cult#6508859 · Our Wondefull Bacons

Josh's Robux Corporation#10031646 · Administration

[- Serena’s fan group -]#16193244 · 💙 • 𝚏𝚊𝚗𝚜 • 💙

United Nations .#5196751 · UN Peacekeeper

[~ Sam's world ~]#17297120 · {~Supporters ☀️~}

Scp facility place#16578261 · Intelligent Angered Monker (IAM)

Roblox noob army- yeeaaaahh yeah yeah yeaaaaaah!#15497306 · Admin

Josh's Robux Corporation Events#32871895 · Member

we slay yas queen#33384379 · my besties forever<3

9

Join if you are bacon or support and help bacons#15495057 · Member

5

Serio Agency#33345799 · Medical Officer

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