The creature often symbolized by the zodiac sign Gemini is the twins, Castor and Pollux. In astrology, Gemini spans from May 21 to June 20 and is represented by the symbol of the twins, reflecting duality and versatility. Geminis are often associated with traits like adaptability, intellect, and sociability. This sign signifies communication and the exchange of ideas, making Geminis curious and engaging companions. The mythology behind Castor and Pollux tells of their close bond and shared experiences, symbolizing themes of partnership and connection in human relationships.