Rhea and Cronus are two characters from Greek mythology. Rhea was the TITAN goddess of motherhood and Cronus was her husband and the leader of the Titans. They were both children of Uranus and Gaia, and together they had six children, including Zeus. Cronus was known for his tyrannical rule and was eventually overthrown by his son Zeus. Rhea was a symbol of fertility and was often associated with the Earth.