Xenogears
เซโนเกียร์ส
| Billy Lee Black | |
| Birthplace | Aquvy Isles |
| Age | 16 |
| Gender | Male |
| Height | 5'7" |
| Weight | 130 lbs |
| Specialty | Guns |
| Gear | Renmazuo, El-Renmazuo |
Billy lost his mother to Wels, and his father disappeared. He now has devoted himself to caring for his sister Prima, who lost her voice with the shock of their mothers death. At the request of the Bishop, Billy has become an Etone to help destroy Wels.