Admiral Yi Sun Shin was a Korean naval commander who lived from 1545 to 1598. He is widely regarded as one of the greatest naval commanders in history, and is known for his role in the Imjin War, a conflict between Korea and Japan.Yi began his military career as a soldier, but was eventually appointed as a naval commander by King Seonjo of Korea. He quickly distinguished himself as a skilled tactician and strategist, and was able to repel several Japanese invasions with his innovative use of "turtle ships," armored warships that were able to withstand heavy fire.

Despite facing overwhelming odds, Yi was able to lead his fleet to victory in a number of key battles, including the Battle of Myeongnyang, where he fought off a much larger Japanese force with only 12 ships.Yi's leadership and bravery in the face of adversity have made him a national hero in Korea, and his name is synonymous with courage and honor. He died in battle in 1598, but his legacy as a naval commander and patriot has continued to inspire generations of Koreans.