The O5-X, O5-Head or Head Overseer is the second highest position in the SCP Foundation, reporting directly to the Administrator. The O5 Head has great power over the O5 Council, and the Foundation as a whole. The O5 Head has the luxury of being protected by the Rapid Response Team, also acting as his personal task force. The O5 Head also advises the Administrator

The O5 Heads powers include:

  • Suspension and recommendation of O5 Councillors
  • Vetoing laws enacted by the Administrative Department and O5 Council
  • Vetoing department actions

The O5-X is a purely ROBLOX-based title, often called "O5-1" in the SCPF Genre.