Despite a lack of documentation on his/her identity, the fourteenth seat on the Overseer Council is still taken up by someone. It has been hypothesized that O5-14 is the only truly immortal O5 member, and may have been one of the many humans that were involved in the creation of the Foundation itself. It is very likely that O5-14 has at one point conversed with SCP-049 and has a clear understanding of the nature of the pestilence. Though O5-14 likely keeps this from other O5 members