The strongest of the Gigantes. He was immortal as long as he fought in his native land. Heracles killed Alcyoneus, but as the giant fell on the ground, he came to life again. On the advice of Athena, Heracles dragged him away from his native land, and thus slew him effectually.
- Smith, William. (1870). Dictionary of Greek and Roman Biography and Mythology. London: Taylor, Walton, and Maberly.