Steffan O'Sullivan
type: Person
description: role-playing game designer
nationality: United States
has occupation: writer
has occupation: role-playing game designer
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additional property: PropertyValue
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additional property: PropertyValue
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  api version: v1
  served at: 2026-08-01T08:31:53.809562Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T15:22:59.047122+00:00Z