brian imanuel (born 3 september 1999), better known as rich brian (formerly rich chigga), is an indonesian rapper, record producer and singer-songwriter. he is best known for his popular first single "dat $tick", which was first released in february 2016 on youtube. the single was certified gold by the recording industry association of america (riaa). his first album, "amen" (2018), peaked at number 18 on the "billboard" 200. he released the single "gospel" in 2017 with keith ape and xxxtentacion. he changed his rap name to "rich brian" in early 2018.