Swansea Jack was a black retriever who became famous for his heroic acts of rescuing people from the treacherous waters of Swansea Bay and the River Tawe in Wales during the early 20th century. He was known to have saved at least 27 people during his lifetime, and was awarded several medals and certificates of bravery for his selfless actions. Today, Swansea Jack is remembered as a beloved hero and a symbol of courage and loyalty.