Pollux Gender: Girl Castor is her twin! Sassy, kind, sweet, loving, not very smart, Very hyper, almost always smilling Castor Gender: Boy Pollux is his twin Caring, never smiles, smart, kind, not hyper Castor and Pollux help a 14 year old boy with his star power They are astrial bodys, not human's them are people from the stars They both have star power The other zodiac signs are their sibling too!!