Seikimatsu Leader den Takeshi!(世紀末リーダー伝たけし!, lit. "A Tale of a Leader in The End of the Century Takeshi!") is a Japanese manga written and illustrated by Mitsutoshi Shimabukuro. The manga was serialised in Weekly Shōnen Jump from 1997 until the author was convicted of child prostitution in 2002. The series received the 2001 Shogakukan Manga Award for children's manga.