|Real Name: Unknown
|Also Known As:
|Place Of Birth: Unknown
|First Appearance: Justice League of America Vol.1 203
|Group Affiliation: Former member of the Royal Flush Gang II
|Base Of Operations: Mobile
|Grudges: Justice League Of America
|Laser Eye: Jack has a bionic eye that allows him to fire a laser beam.
|Sword: Jack wields an energy-charged sword.
|Flight: Jack often flies on a hovering playing card.
|Originally a gigolo, the man who is Jack became a fugitive after inadvertently killing a client while attempting to steal her jewellery. As Hector Hammond's agent, he became a member of the Royal Flush Gang, a group of villains based around a card theme.