- Captain Jack is the Face of Boe.
- Captain Jack cannot die.
- Captain Jack was once a Time Agent, or pretends to be one.
- Captain Jack wears a vortex manipulator.
- Dorium Maldovar sold River a vortex manipulator “fresh off the wrist of a handsome Time Agent.”
- Dorium Maldovar works with the Headless Monks from time to time.
- The Headless Monks decapitate people.
- The Face of Boe is a head with no body.