Harold is a faun in the Bay Area and a friend of Lavinia Asimov.
The Trials of Apollo[]
The Tyrant's Tomb[]
After Apollo, Meg McCaffrey, and Reyna Ramírez-Arellano crash land in a Target parking lot, he and eleven other nature spirits get them out of the parking lot and into the nearby woods. He and Felipe fix the daughter of Bellona’s broken leg and knock her out before carrying her away on a stretcher.