The legendary twins famous for their feats and connection to the stars are Castor and Pollux. In Greek mythology, they are known as the Gemini twins, representing the duality of human experience. Castor, a mortal, and Pollux, a demi-god, showcase themes of brotherhood, loyalty, and the bond between mortals and divine beings. Their adventures include participating in the Argonauts expedition and various athletic contests, highlighting their skills and courage. The stars in the constellation Gemini symbolize their enduring connection, even beyond death, representing the lasting impact of their legacy in mythology.