Fourth Nattawat Jirochtikul is a Thai actor and singer. He was nicknamed Fourth as he was born on King Rama IV's 200th birthday. After getting his start in the company's "Thailand School Star 2019" contest, Fourth signed with GMMTV. He graduated from Saint Gabriel's College by taking the grade twelve equivalency test and is currently a student at Chulalongkorn University's Faculty of Law.