Castor and PolluxCas‧tor and Pol‧lux /ˌkɑːstər ənd ˈpɒləks $ ˌkæstər ənd ˈpɑː-/ 
in ancient Greek and Roman stories, two brothers who were twins (=two children born at the same time), and who had many adventures. The group of stars known as gemini or the Heavenly Twins is named after them.
in ancient Greek and Roman stories, two brothers who were twins (=two children born at the same time), and who had many adventures. The group of stars known as gemini or the Heavenly Twins is named after them.