A petite Japanese-intelligence agent who briefs VALCom on the Vedic-Atlantean backstory of the Ultima Thule project and gains density-and-invulnerability powers from the Saucer radiation (#16) - powers that first triggered in the bathtub, dropping her through the floor and getting her evicted, so she becomes Z-Girl’s roommate. She bowls over the invulnerable Super Ficial! as a “human cannonball” (#17).
The density agent
Kimoko
A Japanese intelligence operative brings professional knowledge to the team before learning to master extraordinary changes in her own body.
This biography includes story developments and endings

Kimoko joins the Ultima Thule operation as a Japanese intelligence representative. She supplies information about ancient traditions and the technology behind the dangerous project, then accompanies Matchman, Z-Girl and Arnie to Antarctica. Preparation and knowledge are her first contributions.
Exposure to the Stealth Saucer changes her physical properties. She discovers that she can increase her density and withstand powerful impacts. An everyday mishap sends her through a floor and costs her a home; Z-Girl offers her a place to stay.
Captivity at the Antisemit’s hands brings another test. Once freed, Kimoko uses her increased mass like a living cannonball to knock down Super Ficial!. Cooperation with her friends gives her new ability a precise tactical purpose.