Personal Info:
Real Name: Unknown
Also Known As: No known Alias
Place Of Birth: Not Applicable
First Appearance: Defenders Vol.1 #49 (1977) Bronze Age Villain
Known Associates: Aquarius, Aries, Cancer, Capricorn, Leo, Libra, Pisces, Sagittarius, Scorpio, Taurus, Virgo
Group Affiliation: Zodiac II
Base Of Operations: The Ankh Dimension
Grudges: The Defenders and the West Coast Avengers
Creators: David Kraft and Keith Giffen
Gemini was originally a male, but was later transformed into a female form by the Zodiac Key.
Bio-Duplication: Originally, Gemini possessed the ability to create two duplicates of himself. One coloured white, which could fire energy blasts and one coloured black, which could release blasts of electricity by touching people.
Size Alteration (Growth): Later, Gemini could grow to a larger size, increasing his strength in the process.
Flight: In his female form, Gemini could fly.
Energy Blasts: In his female form, Gemini could fire energy blasts.
Gemini was one of the Life Model Decoy's created by Scorpio to serve as a member of his new Zodiac. Scorpio was forced to activate the Zodiac early as a result of an attack on his base by the Defenders.
Gemini at Marvel Database
Gemini at Marvel Universe: The Appendix
Gemini at Comic Vine