The protagonist and narrator of Oro, king of Lightlark and another of Isla's love interests. He holds strict ethical standards and grapples with his feelings and duties to his realm.

The protagonist of the main Lightlark series, and love interest of both Grim and Oro. She is courageous and resilient, helping to drive the development of both Grim and Oro.

An antagonist in Grim’s life who is characterized by his cruelty and hunger for power. His actions contribute significantly to Grim's worldview and the series' themes about trauma.

A group that includes Enya, Calder, and Zed, each having unique roles that support Oro. They provide companionship, moral lessons, and comic relief throughout the story.