Iris Kempf
- Awesomeness by Analysis
- Badass Pacifist
- Four-Temperament Ensemble: Melancholic.
- Handicapped Badass: Just as smart as she is blind.
- Insufferable Genius: At her worst.
- Knowledge Broker
Leo Alperstein
- Ambiguously Jewish
- Cool Old Guy
- Deadpan Snarker
- Four-Temperament Ensemble: Sanguine.
- The Philosopher
Stephen Alcedrie
- Deal with the Devil: With Iris.
- Four-Temperament Ensemble: Choleric.
- Large Ham
- Manipulative Bastard
- Subordinate Excuse: Rather obviously why he and Iona stick together so closely.
- Villain Protagonist
Iona Linden
- Action Girl: The only notably actiony character of the
- The Dragon: To Stephen.
- Four-Temperament Ensemble: Phlegmatic.
- Morality Chain
- No Accounting for Taste
