Kevin's main love interest. In an episode entitled "The Accident" and in the final episode, it is stated that every important event in Kevin's life somehow involves Winnie. She lives on the same block as Kevin. Their first kiss and her older brother's death while serving as a soldier in the Vietnam War play an important part of the pilot episode. In one episode, her parents separate over their grief of the death of their son. In the epilogue of the final episode, it is revealed that Winnie goes on to study art history in Paris. Kevin and Winnie write a letter to each other every week for eight years until she returns. Despite their long romance, by the time Winnie returns to the US in 1982 Kevin is married to someone else.
"Danica McKellar did a great job at playing Winnie Cooper in The Wonder Years."