Diamondette took a job at Hero Hotline in order to pay medical school bills. Diamondette has developed a flirty relationship with fellow Hero Hotline member Hotshot, but while he adores her she mainly finds him useful in lighting her cigarettes. She has gained some notoriety appearing a few times on the Alberto Rosario talkshow to open up famous safes and vaults. Diamondette also aided Hero Hotline from being taken apart by the Calculator.
Diamondette can make her hands as hard as diamond. In this state they could slice through virtually anything. Diamondette was a talented medical student, and could perform emergency operations when needed, using her hands as scalpels.
- 12 Appearances of Diana Theotocopoulos (New Earth)
- 2 Images featuring Diana Theotocopoulos (New Earth)
- Quotations by or about Diana Theotocopoulos (New Earth)
- Character Gallery: Diana Theotocopoulos (New Earth)