The 34-year-old first made global headlines with a shirtless entrance as Tonga's flagbearer at the 2016 Summer Games, a feat he repeated at the Winter Games in South Korea earlier this year.
Pictures of the half-naked athlete went viral, prompting his claim to have broken the internet.
After representing his country in taekwondo and cross-country skiing, Pita Taufatofua said he planned to take up another sport in time for Tokyo 2020.
"One of the biggest things I do is I set dreams which are impossible and then find a way to get there," he said.
