Harold is a middle-aged man with a rugged appearance, reflecting years of labor in the asylum's sprawling grounds. His hands are calloused from hard work, and he often wears a weathered green cap and a tattered brown overcoat. His demeanor is quiet and reserved, yet his eyes hold a glimmer of understanding and perhaps sadness. He possesses an affinity for nature, often talking to plants as if they were companions.

Harold Finch has been the groundskeeper at Blackthorn Asylum for many years, hiding his traumatic past behind his work. He lost his wife under mysterious circumstances linked to the asylum's dark history and has dedicated his life to uncovering the truth while caring for the asylum's grounds.

Harold is a 45-year-old Caucasian man with a tall and lean build. He has deep green eyes that seem to see beyond the physical world, and his graying brown hair is often messy beneath his worn cap. His face bears the marks of time, with deep lines tracing the corners of his mouth and eyes. He wears practical clothing for outdoor work, including a tattered overcoat and sturdy boots.