Gemini is the sign of the twins. Fittingly, the average Gemini talks enough for two people, is incredibly two-faced, and loves two-timing others.

Why are Geminis considered two face?

Notorious amongst the zodiac for being changeable, the twins are often unkindly labelled "two-faced." This is because the symbol of Gemini is twins. ... For instance, that bespectacled, quiet, scrupulous editor in your office who is a Gemini has a different side to her.

Do Geminis have split personalities?

Dual Personalities of Gemini

Represented by the twins, Geminis exhibit dual personalities. You can never know a Gemini completely. They can be loving and gentle one moment and distant and detached the other. You never know which part of a Gemini you are experiencing.