Oscar Geyser is a South African Bitcoin commentator and meetup organizer who has appeared occasionally on The Bitcoin Group. Geyser is associated with the South African Bitcoin community and merchant-adoption efforts in that region.
The TBG lane for Geyser is consolidated from Whisper variants per NAME-CORRECTIONS ("Oscar Giza" → "Oscar Geyser"). Additional biographical sourcing pending.
→ See TBG Timeline for the full lane chart.