The legendary hero known for performing extraordinary feats in Greek myths is Heracles, also known by his Roman name, Hercules. Known for his immense strength and valor, Heracles is famous for his twelve labors, which he undertakes as a form of penance. These tasks include slaying the Nemean Lion and capturing the Golden Hind of Artemis. His adventures embody the struggle against insurmountable odds, showcasing themes of perseverance and redemption. Heracles remains a symbol of heroism in mythology, fascinating for his flaws and heroic aspirations, reflecting the complexities of the human experience.