The crossword solution for the term 'Famous Redhead' is Eric, which is a four-letter word. Eric is a popular name in many countries and is derived from the Old Norse name Eiríkr, meaning 'ever-ruler'. One of the most famous redheads with this name is Eric the Red, a 10th-century Norwegian explorer who was the first European to settle in Greenland. He is also known for his son, Leif Erikson, who is credited as the first European to discover North America.