This man is the husband of George Cooper Sr.'s sister. His name is seen on the family tree on Sheldon's board in "The Cruciferous Vegetable Amplification".
- Wife: Unnamed
- Brother-in-law: George Cooper Sr.
- Sister-in-law: Mary Cooper
- Nephews: Sheldon Cooper, George Cooper Jr.
- Niece: Missy Cooper
- Great-Nephew: Unnamed