If you have a birthdate of May 21 - June 20, you will be known as a Gemini. This is also the forth astrological sign in the zodiac. The symbol for this sign is twins and the zodiac element is air. The symbol of the twins is said to be used because it was two mortals that were granted everlasting life.
The majority of people who get this tattoo are individuals who have this birth sign. The tattoo itself is usually a picture of twins because this is the symbol that is used to identify this sign. However, there are a wide variety of tattoo designs of this type, as well as the symbol associated with this sign. The Chrysanthemum, and orchid are also associated with this zodiac sign if you are interested in flowers.