Jaguar D. Saul is a giant and former Vice Admiral of the Marines in the anime and manga series One Piece. Known for his kind heart and strong sense of justice, Saul is notable for helping Nico Robin escape the Buster Call on Ohara. He is a key figure in Robin's backstory, inspiring her with the will to live and the famous D. initial. Saul’s actions and compassion make him a tragic but important character in the series.