Brother Blood is the name of two supervillains appearing in American comic books published by DC Comics. One, Sebastian Blood, gained the title after murdering his father to obtain it.
Sebastian Blood VIII debuted in The New Teen Titans #21 (July 1982) and created by Marv Wolfman and George Pérez.
Sebastian Blood IX debuted in Outsiders #6 (January 2004) and was created by Judd Winick and Chris Cross.