Lila Cerullo is a fictional character from the novel series "My Brilliant Friend" by Elena Ferrante. She is portrayed as a highly intelligent and passionate girl growing up in a poor neighborhood in Naples, Italy. Lila's strong personality and determination set her apart, making her a central figure in the story. Throughout the series, Lila's complex relationship with her childhood friend, Elena Greco, highlights themes of friendship, ambition, and social class. As Lila navigates her life, she faces various challenges, including family expectations and societal limitations, which shape her identity and choices.