Takelo won 87 kilograms gold on the opening day of action at the Harvest Centre in Apia after defeating Josefa Otterberch of Fiji and then Fred Gwali of the Solomon Islands.
Tonga ended up the second-most successful country in taekwondo at Samoa 2019 with two gold and three bronze medals.
Taufatofua represented Tonga at Rio 2016, where he was also flag bearer, and he then made the shift to winter sports when he featured in cross-country skiing at Pyeongchang 2018.
