Ryzek Karkano was the son of Jason Karkano and Maria Veneer. After his mother's death, Jason left Ryzek in the care of Maria's brother, Anson, until after Jason had tracked down Maria's killer. Unfortunately, Jason was killed as well, leaving Ryzek to grow up under his uncle's charge. Anson, a highly renowned Slicer, taught Ryzek how to hack into computer security systems. Ryzek was the one to finally erase all the data pertaining to the Exchange's Project Rejuvenation.