Brian Imanuel (born September 2, 1999), known professionally by the mononym Rich Brian (previously Rich Chigga), is an Indonesian rapper. He is best known for his viral debut single "Dat $tick", which was released in March 2016. Imanuel has collaborated with rappers such as XXXTentacion, Young Thug, and Ghostface Killah, amongst releasing a collection of solo tracks. He embarked on his first solo US tour during Fall/Winter 2017. His debut studio album, Amen, was released in February 2018, and peaked at number 18 on the US Billboard 200.