<page_title> List of Flash enemies </page_title> <section_title> Modern Age Flash enemies </section_title> <table> <cell> Owen Mercer is the son of the original Captain Boomerang and Meloni Thawne (making him Bart Allen's maternal half-brother). He did not know his father until he was an adult. <col_header> Description </col_header> </cell> </table>
On his mother's side, Bart Allen is the half-brother of Owen Mercer.