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Koro-sensei (殺せんせー)Koro-sensei is a teacher for class 3-E of Kunugigaoka Junior High School and the main antihero of Ansatsu Kyoushitsu. He was responsible for carving out a large chunk of the moon to become a permanent crescent moon and plans to destroy the earth after teaching class 3-E for a year.
His name comes from Korosenai (殺せない) means "cannot be killed" and sensei, means teacher. Literally, his name means unkillable teacher.
As our beloved medium grows bigger and bigger, it has become apparent that certain anime names are used more often than others... a lot more often. Here is a list of the 20 most common names for boys and girls in anime.