Real Name: Karla Sofen

Current Group Affiliation: None

Former Group Affiliation: Masters of Evil III-IV, Masters of Evil VI, Femizons, Thunderbolts

1st Appearance(as Karla Sofen): CAPTAIN AMERICA(v.1)#192 (1975)

Known Superhuman Powers: Moonstone can fly and project energy blasts.

Other Aliases: Meteorite II