Supreme Calamitas @JohnBlacksouIs #2037299831

24 November 2020

account created (per Roblox API)

11 Aug 2026, 05:43

last measured (UTC)

Username record

@JohnBlacksouIs — observed 11 August 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)

cat11#11418262

1,477

Open data

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

Also a member of

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SCP | Roleplay Community#5479038 · Roleplayer

1,245,242

Urbanshade: Hadal Division#9683893 · EXR-P

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Jean's Bizarre Community#6356872 · Member

726,732

Special Containment Procedures Foundation [SCPF]#2760782 · Class - D

617,935

SCPF || Special Containment Procedures Foundation#3069549 · Class D

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Archived Library#32725402 · Member

252,414

Black Souls Inc.#563404035 · Dream Spirit

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Shen's clothes!!#7334593 · very nice people :D

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Black Court#35662178 · Sinners

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