Kallen Kouzuki is a prominent character in the anime series Code Geass: Hangyaku no Lelouch. She is a strong-willed and skilled pilot who fights for the Japanese resistance group, the Black Knights, under the leadership of Zero. Despite her Britannian heritage from her father's side, she identifies as Japanese and is devoted to the cause of liberating Japan. Kallen is known for her piloting prowess in the Guren Mk-II Knightmare Frame and her internal conflict regarding her dual identity.