Cheung Po Tsai 

At the peak of his career as a pirate, he had an army of several hundred ships and 50,000 soldiers! The Caribbean soldiers were no match for him. He amassed great treasure by terrorizing the Guangdong Coastline and hid it in a cave. The cave is named after him. He was eventually caught by the Chinese government but, he struck a deal with the government and got enlisted as a Captain in the Qing Imperial Navy. He later on became of colonel and then for the rest of his life, helped the Chinese government to capture other pirates.