Jannoula is a female ityasaari with mind control abilities.
Jannoula appeared in Seraphina's visions and was made into an avatar in Seraphina's mental garden. Unlike the other avatars, Jannoula's had a sentient consciousness, able to speak, lie, steal, sense Seraphina's fears and dreams, and influence her thoughts and decisions.
Seraphina, afraid of her, tricked Jannoula into going into Wee Cottage, where she trapped Jannoula's avatar to prevent her from wandering Seraphina's mind.
Jannoula is mentioned by Seraphina.
Jannoula is cunning and manipulative.