Li3utnantTRlSO_14 @K0scin0 #2402035693

27 February 2021

account created (per Roblox API)

5 Sept 2026, 06:05

last measured (UTC)

Username record

@K0scin0 — observed 5 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)

Koscino [OFFICIAL]#15244429

Open data

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Also a member of

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Blue Lock Rivals Unofficial Fans#34671275 · Member

Current.#34852864 · Member

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Nuke The Game#446405201 · Member

Sol's Studio#8509669 · [Gamers]

Muffin Interactive#459291258 · Member

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crookit#33645148 · The Coolest

(学乱) Gakuran#416091513 · Students

Slap Battles#9950771 · BELOVED FAN <3

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Paradoxum Games#4914494 · Player

Jule Games#13031751 · Member

Billion Duck Hunters#1010818854 · Member

Small World Games x Anime Defenders#34121350 · Member

Simple Bricks Zombies#396072016 · Member

[B:S] ARX Team#15009415 · Member

Frost Blade Games#8605341 · Member

Plenty of Planets#621333942 · earthling 🌍

ZedCo#3315676 · MemberZ

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Awesome Ninja Games#15557357 · Member

Anime Final Quest#34258454 · Member

Slayers Unleashed#10030212 · Game Community

Expeditions Entertainment#35929511 · Member

Splitline: World#35155002 · Member

Windburst#11189454 · Member

A.D. Games#32752100 · Members

[B:S] HW Team#6073919 · Fan

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Uperscuzzi#34345911 · Member

Stouts Studio#15794692 · Member

Farm3rz#35902840 · Member

Emote Clan#6264771 · Member

Balloons In The Air#689787446 · Member

SAND4#5716920 · Member

Retro Library#36090990 · Member

BAKGAME#177870152 · Member

414 Games#33493701 · Player

Zood Studios#5606884 · ✨ Gamer

OP Nation - Jhoan459#999088587 · Miembro

Your Gym Game#874474070 · Member

ClickBytes#110427303 · Member

Tower Defense X#14733518 · fan :d

Airport Tycoon!#688446729 · Member

Universal Tower Defense [UTD]#33861560 · Member

Arc I: Warriors#34783288 · Member

Komplex Studio#9190691 · Tester

The Rolling Society#35119567 · MEMBER [🥳]

System Arts Studio#16819392 · Member

Hero_Studios#11646530 · ⚡Heroes⚡

Summon Heroes | Twin Atlas#3758531 · Member

Handcrafted Games#33099266 · Member

Fabled Legacy#16467338 · Member

StackOrStarve Studios#8667673 · Community

Tidyverse#685069423 · Member

Lunmei#35958846 · Supporters

Nindo Story#7662206 · Shinobi Alliance

Origins Project#111457579 · Member

Spaceman Moonbase#33912612 · Member

Digital Ruse#12723050 · Spades

French Voice Chat#534290679 · Member

YumYum !#46773138 · baddie lover

Supremes..#14880080 · [ Content Deleted 84104389 ]

Y&Y Studio#825933342 · Contributer

Logical StudiosTM#55632395 · 😃 Member

Air's World#35981300 · Member

Schwiii Fanclub#838781482 · Member

Raiser Games#35679019 · Fans

Tokyo Interactive#12267132 · Players

1B Studio#794813948 · Member

Paragon Command#8571681 · Fan

French Works#35966583 · 🗣️ | Membre

Apparently Survival#35815697 · Member

The Guild!#35229294 · Member

CapyBoba Studios#987733062 · Member

Bam's Community Hub#794892277 · Member

Studio FR.#8498248 · Member

Central Hub | Studio & Communauté#14147386 · 🗣️ | Membre

School RP FR#32702727 · Member

MatthewVFE#11129742 · Member

Galaxia Fr Team#13176381 · Membre

RedLotusFR#13455294 · Member

ATF (Athen45 Team Fun)#7953076 · Membre

MissFrost#8130326 · Member

RobloxDevsYTB Fan Group#10609373 · Member

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