- Octavian of Tremere, Past Master, Quaesitor.
- Odo of Jerbition, member of Barcelona covenant and protégé of Farusca of Jerbiton, helps Farusca run the Silver Rooster Inn.
- Oestrides filius Ruth of Bonisagus, member of the Pyramids covenant, raised up and dwelt here since he was seven, born in Alexandria of mixed Greek/Coptic parents, talented inventor, created Roberto’s carpet and has many more devices, has learned the secret of Amulet spells, has already taken an apprentice named Rachel; lives in the North West corner of the pyramid.
- Oscar, a member of the Andorran guard.
- Otger, a former companion.
- Otto: the covenant gardener; nicknamed "The Octopus", as his hands oftem seem to be in eight places at once.