Which Romantic-era poet is most known for portraying protagonists or narrators who are heroic, emotionally conflicted, skeptical, deeply passionate, and intellectually sharp?

Explanation

John Keats is celebrated for his vivid imagery and sensual style. William Blake focused on visionary and mystical themes. Lord Byron is famous for his creation of the 'Byronic hero'—a character who is heroic yet troubled, cynical, intensely emotional, and highly intelligent. Samuel Taylor Coleridge is known for his imaginative and supernatural elements. Therefore, Lord Byron best fits the description.