C.C. is the pseudonym of a fictional character in the Code Geass: Lelouch of the Rebellion franchise by Sunrise. With her real name kept from the audience, she first appeared in the 2006 initial anime season, and afterwards has appeared in many manga, OVA, anime, and video game spinoff. She is voiced by Yukana.

Code Geass: Lelouch of the Rebellion , often referred to simply as Code Geass, is a Japanese anime television series produced by Sunrise. It was directed by Gorō Taniguchi and written by Ichirō Ōkouchi, with original character designs by Clamp. Set in an alternate timeline, it follows the exiled prince Lelouch Lamperouge, who obtains the "power of absolute obedience" from a mysterious woman named C.C. Using this supernatural power, known as Geass, he leads a rebellion against the rule of the Holy Britannian Empire, commanding a series of mecha battles.