Alex Dunphy is a fictional character from the television show Modern Family. She is the middle child of Claire Dunphy and Phil Dunphy, known for her intelligence and academic achievements. Alex often displays a sarcastic sense of humor and a strong sense of independence, setting her apart from her siblings. Throughout the series, Alex navigates the challenges of adolescence, including friendships, school, and family dynamics. She is portrayed by actress Ariel Winter and is recognized for her relatable struggles and growth, making her a beloved character among fans of the show.