A magical raven and companion of the oracle Tempe in Nezza. He travels with Alex after the company departs the Red Lands to meet Lord Talbot. “He knows a bit of magic and can speak to most of the animals of Nezza” (4:164). He uses the magic to aid Alex and Rallian in securing the throne of Nezza. When Alex departs Nezza, Stonebill returns to Tempe.