Merry Levov is a character from the novel "American Pastoral" by Philip Roth. She is the daughter of the protagonist, Seymour "Swede" Levov, and is known for her troubled life and radical political views. Merry's character represents the complexities of family dynamics and the impact of societal changes during the 1960s. Merry becomes increasingly estranged from her family due to her involvement in extremist activities, including a violent act that shocks her community. Her struggles with identity and mental health are central themes in the novel, highlighting the challenges faced by individuals in a rapidly changing America.