Mikami Kou is a fictional character from the popular manga and anime series Death Note. He is introduced as a devoted follower of Kira, the alias used by the main character Light Yagami. Mikami is a skilled lawyer who becomes a key player in Kira's mission to eliminate criminals. Mikami is known for his unwavering belief in Kira's justice and his meticulous nature. He uses a special notebook called the Death Note, which allows him to kill anyone whose name he writes in it, provided he knows their face. His character plays a significant role in the series' exploration of morality and justice.