Koronat, Pazuzu and the succubus for the other mansions.
Rowdain for that area where the morningstar is turned into a flame whip.
The headhunter for one of the town shops.
The last crystal knight would turn into something like Sir Grakul.
The stranger who offers you the silver knife would turn into a Simon doppleganger.
A giant peeping eye for the cavern where the sacred flame is found.
Skull knight and that dragon bones enemy from CV3 as a duo boss in the graveyard.
Orphic vipers at the lake.