Train Heartnet

Train Heartnet (トレイン ハートネット Torein Hātonetto) is the main protagonist of the manga and anime, Black Cat. Once an Eraser for Chronos, he eventually turns to the life of a sweeper and starts working alongside Sven Vollfied. In Chronos, he was a part of the Chronos Numbers as Number XIII, and was known widely as the "Black Cat."