Here's another writing exercise: Character Roll Call. The point is to list all the characters you have so far in your story.
My named characters so far:
Main Characters Zan Hu - "Swift Fox", fox-shifter, inventor Moon Caradon - fox-shifter, businessman
Villains Southmore - a bishop, one of the Queen's advisors
Secondary Characters Ali Rasheed - Moon's man-of-affairs Obe Bama - ambassador from the Ivory Coast Long - apothocary Oliver - Moon's cousin, Gasmere's successor Del Garrou - a dandy/fop, wolf-shifter Mrs. Felis-Ackart - a wealthy widow, cat-shifter
Deceased Characters Elliot Waterstone - Zan's maternal uncle, inventor Peter Caradon - Moon's father, Earl of Gasmere, Queen's ambassador
Supernatural Beings Amanthusa - a chthonic deity
Currently Unnamed Characters Various scientists and inventors from the Academy The staff of the Museum Zan's parents Moon's mother Zan's household staff