Galatos is his son.
In Homer’s poem the Odyssey, Polyphemus captures Odysseus.
He fell in love with Galatea, a Sicilian nereid. Unfortunately she was in love with Acis (son of Faunus - Pan) . One day while while Galatea and acis where together, Polyphemus snuck up on them and crushed Acis with a rock.
Giant man-eating Cyclops living on the island of Kyklopes (cyclopes). Kyklopes was an Island filled with Cyclops that were lawless man-eating shepherds.