Johann Gonzales Chua was born and raised in Bacolod, in the central Philippines, on May 31, 1992. He began playing pool at the age of nine, often accompanied to the local pool hall by his father, who gave him the nickname “Bubwit” or “little mouse,” because he was too small to be seen behind the pool table.At 13, Chua quit school to pursue his passion for billiards and turned professional at 19. He is also known by the nickname “Bad Koi.” A 2023 World Cup of Pool champion alongside James Aranas, Chua is a two-time All Japan Championship winner, having claimed the title in 2015 and 2017.Chua placed ninth overall in the 2011 BSCP National Open Pool Championships. That same year, he finished 17th at the Manny Pacquiao International Ten-ball Championship held in General Santos. In November 2012, he achieved his first major international breakthrough, placing third at the Japan Open.In 2013, he placed 17th at the China Open and returned to third place at the Japan Open. The following year, he reached the top 16 in the China Open before falling to Taiwan’s Chang Jung-Lin. At the 2014 WPA World Nine-ball Championship days later, he made it to the quarterfinals for the first time but lost to fellow Filipino Elmer Haya. In September 2014, he placed seventh in the Manny Pacquiao Cup.Chua made his Southeast Asian (SEA) Games debut in 2017, capturing a bronze medal in Malaysia after losing to Vietnam’s Duong Quoc Hoang in the semifinals.He remained active in international competition. In September 2017, he and partner Warren Kiamco brought home a bronze medal at the Asian Indoor and Martial Arts Games in Ashgabat, Turkmenistan. Before the year ended, Chua clinched his second All Japan Championship title, dominating Jundel Mazon, 11–2, in the final. He is currently ranked 13th in the world by the World Pool-Billiard Association.