Rathasat Butwong, nicknamed JJ, is an actor under Star Hunter Entertainment. He graduated from The Holy Infant Jesus Mahasarakham School, English Program at Sarakhampittayakhom School. He was the 6th place winner on the survival show To Be Number One Idol 6 (2016). On August 13, 2020, he was introduced as a member of Happiness Project. The group presumably quietly disbanded near the end of 2020. On September 25, 2021, he was revealed as a contestant for one31's survival show LAZ iCON but he was eliminated in the 6th episode.