Type-03F Gekka is a fictional Knightmare Frame from Code Geass: Hangyaku no Lelouch, not a human character. It is a mass-production model used by the Japanese resistance and later by allied forces in the series. The Gekka is known for its agility, versatility, and combat effectiveness, making it a reliable frontline unit in battles against Britannian forces. As a mecha, it plays an important supporting role in military engagements throughout the story.