Étienne St. Clair is a fictional character from the popular young adult novel series, The Darkest Minds by Alexandra Bracken. He is known for his intelligence and resourcefulness, often using his skills to navigate a world where children possess dangerous abilities. In the series, Étienne plays a significant role in the lives of the main characters, particularly Ruby Daly. His character adds depth to the story, showcasing themes of friendship, loyalty, and the struggle for survival in a dystopian setting.