@mdr721 #49347652

1 October 2013

account created (per Roblox API)

2 Sept 2026, 11:13

last measured (UTC)

Username record

@mdr721 — observed 2 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)

McBlockzers#1038065

Open data

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

Also a member of

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Innovation Inc.#157764 · Member

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Builderman#5 · Member

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Retro Dev#5264310 · Member

920,808

Pseudo Studio#3565787 · Member

780,482

generic roleplay gaem fanclub.#5574524 · fan.

736,107

Jean's Bizarre Community#6356872 · Member

726,795

* Tearose Library *#4332211 · Reader

170,202

Runker#4575704 · Member

141,822

Merge Experiences#16287791 · Member

113,552

d4rk886's Studio#581376 · Players and Supporters

73,888

Roblox Library Community#2735192 · Reader

24,482

F.F.T.L#676056 · Light Chaser

22,934

Super Games#1060034 · Member

19,338

Atoll Studios#3273833 · Fan

1,942

RTS project#34721755 · Member

176

ShockwaveStudios#35534503 · Member

‘$anrio#10080708 · Member

RAR Games#6468022 · Member

UF group#9391479 · Member

Swashbucklers 404#35077974 · Developer

AVD Interactive#17286831 · Fan

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