LeBron James is the protagonist in the movie 'Space Jam: A New Legacy'. He is a legendary basketball player known for his incredible skills and leadership on the court. In the film, he teams up with the Looney Tunes characters to rescue his son from a digital world. LeBron's character showcases his determination, athletic prowess, and commitment to family, as he navigates the challenges of a high-stakes basketball game against formidable digital opponents. His journey emphasizes themes of teamwork, perseverance, and the importance of being true to oneself.