Rolo Lamperouge is introduced in the second season as an assassin posing as Lelouch's brother, placed there to observe Lelouch following his memory rewrite at the end of the first season. Rolo pilots the Vincent Prototype, and possesses a Geass power in his right eye that allows him to temporarily freeze the subjective experience of time for all persons within a given range. Whenever Rolo uses this power, his heart stops until the effect ends. He is manipulated by Lelouch into supporting the Black Knights and seems to become dependent on Lelouch over time, treasuring a locket given to him by Lelouch on his birthday and always referring to him as "brother".
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