What is the difference between Tommy Copper and Tommie Copper?

The difference lies primarily in the branding and product lines. "Tommy Copper" is often mistaken for "Tommie Copper," which is the correct brand name known for its compression apparel and wellness products designed to provide support and relief. Tommie Copper focuses on using copper-infused fabrics to help with muscle recovery and joint pain, whereas "Tommy Copper" does not refer to an established brand.