@ProfessorKatz #13601252

18 December 2010

account created (per Roblox API)

12 Aug 2026, 15:18

last measured (UTC)

Username record

@ProfessorKatz — observed 12 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)

Open data

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

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