Legendary Shinobi Progeny Project

Legendary Shinobi Progeny Project (伝奇的忍び胤企画, Denkiteki Shinobi Tane Kikaku) was a research endeavor undertaken by with occasional assistance from. Initially designed to generate a powerful body for Orochimaru to use, it would later expand into a research endeavor, as they mixed and matched genetic dna from their accumulated database with eggs drawn from Eihei Uzumaki. This was done in part to assure themselves a reconnaissance plan should their existing weapon, herself molded to kill their initial weapon, rebel. Subsequent production, testing, and experimentation would result in hundreds of Eihei's "children" being cultivated. However, the rigorous testing and designs carried out meant that many would perish in process. According to official records found in the labs where this took place, all are presumed deceased.