Sasuke Uchiha is a major character in the anime and manga series Naruto, created by Masashi Kishimoto. He is a skilled ninja from the Uchiha clan, known for their Sharingan abilities. Driven by a desire for vengeance against his brother Itachi, who massacred their clan, Sasuke becomes an important figure, often straddling the line between friend and foe to Naruto Uzumaki, the series' protagonist. His complex personality and evolving relationships significantly impact the series' narrative, exploring themes of revenge, redemption, and the true meaning of strength.