The zodiac is a very complicated system. 12 aliens were picked from Ben 10 as zodiac aliens. Please reach out for comments in comments below, such as demanding a change of any alien.
Grey Matter- Gemini
Four Arms- Leo
Jury Rigg- Pisces
Echo Echo- Tauras
XLR8- Aries
Brainstorm- Cancer
Ghostfreak (Not evil)- Virgo
Diamondhead- Capricorn
Eye Guy- Libra
Upgrade- Sagittarius
Heatblast- Scorpio
Alien X- Aquarius