History of character is unknown.
- Metamorphosis: Gemini can reconfigure her body to resemble any person or animal of her choosing. When she morphs into a different animal shape, she also adopts the physical capabilities specific to each animal, including enhanced strength, flight, etc.
- Elasticity: As an application of her shape-shifting talents, Gemini can also extend her limbs much the same way that her late mother could.
- Mimicry: In addition to her powers, Gemini can also perfectly imitate another's voice.
- 12 Appearances of Gemini De Mille (New Earth)
- 2 Images featuring Gemini De Mille (New Earth)
- Quotations by or about Gemini De Mille (New Earth)
- Character Gallery: Gemini De Mille (New Earth)
This character is or was primarily an enemy of the Teen Titans, the Titans, or any of the other various Titans incarnations. This template will categorize articles that include it into the "Titans Villains" category.