Nina Einstein (ニーナ・アインシュタイン, Nīna Ainshutain), 17 years old (18 at R2), is a shy and quiet, yet later maniacal, student at Ashford Academy and a member of the Student Council. In Code Geass R2, she goes to work for the government and create weapons for them. She is the creator of the weapon of mass destruction F.L.E.I.J.A. and later, the countermeasure to it.