Willi

Willi is a Germanic given name derived from the Old High German elements wil, meaning will or desire, and helm, meaning helmet or protection, making it a short form of Wilhelm. It developed as an informal diminutive widely used in German-speaking countries, particularly gaining popularity in the nineteenth and twentieth centuries. The name shares its root with the English William, the French Guillaume, and the Scandinavian Vilhelm, all tracing back to the same Proto-Germanic compound.