Rich Mossberg (uncle)
Rebecca (b.c.2002) was a human who lived near Ridgemont, and Rich Mossberg's niece. She joined the many children meeting with Shinichi in the Old Wood. During one such meeting, Sheriff Mossberg came after them, and was killed. Matt Honeycutt later almost ran into her, and found her wearing Sheriff Mossberg's shirt and badge, which he took from her before she could stop him.
- The Return: Shadow Souls (First appearance)