|Knave of Diamonds|
The Knave of Diamonds is a fulgar.
He is large man with a "fierce face" bearing a large deep blue diamond spoor. His attire consists of a crown of tall spiked reeds and a dirty white lambrequin with a single large red diamond on the front.
His name and appearance are a reference to the jack playing card.
- ↑ Lamplighter, Chapter 21