Advent Bangun (born Advani Rangua; 12 October 1952 – 10 February 2018) was a 12-time Indonesian karateka champion. He gave up his career in karate pursue a career in cinema. He died on 10 February 2018, due to diabetes.
Bangun (Rangua) became the national champion in karate in 1971 and represented Indonesia at the international level. He began his acting career in the mid-1970s, mainly due to fame and success achieved in martial arts. He appeared in many action films. After his acting career, Bangun became a pastor under the name Thomas Bangun and consequently came into prominence as a Christian activist.