Kathryn Sullivan is the daughter of Jeff and Mary Sullivan. She joined the Hexagon Group at age 18 and (amongst other threats) helped them fight the Necromancer. She became Rakar's girlfriend at, at one point, was mind-controlled into fighting the Strangers on the Moon.
Plasma was the energy source used by Professor Quanter in his attempt to repel the Towers. She has since fought alongside the Hexagon Group against Ghool and Set. She is currently pregnant with Rakar's child.
Books (in English)
Plasma guest-stars in Phenix, available for sale in our Shop.