The fictional characters from the manga series Blue Exorcist were created by Kazue Kato. The story revolves around Rin Okumura, a teenager who discovers he is the son of the god demon Satan, born from a human woman and the inheritor of Satan's powers. When Rin's guardian dies while fighting Satan, Rin decides to become an exorcist in order to defeat his father. Entering into the True Cross Academy to learn how to fight demons, Rin meets several other exorcist apprentices whom he starts to bond with. Critical reception to the characters has been positive for their traits and interactions.