Brian Imanuel, known professionally as Rich Chigga and later as Rich Brian, emerged from an unlikely background to become a global hip-hop phenomenon. Born on September 21, 1999, in Jakarta, Indonesia, he first gained internet fame as a teenage comedian on platforms like Vine and Twitter before his musical talents catapulted him to international recognition. His journey from creating online sketches in his bedroom to headlining world tours redefined the pathways to success in the digital age for artists outside the Western mainstream.

With no formal musical training, Imanuel taught himself English through internet culture and began experimenting with music production. In early 2016, at just 16 years old, he uploaded his debut single "Dat $tick" to SoundCloud. The track, featuring a minimalist beat and his deep, deadpan delivery, was accompanied by a now-iconic music video where he performed in a pink polo shirt and a fanny pack. The video went massively viral, amassing millions of views and catching the attention of established artists like Ghostface Killah and 21 Savage. The surprise success of "Dat $tick" demonstrated a unique artistic voice and made him an instant internet curiosity and a serious new force in hip-hop.

Capitalizing on the viral momentum, he signed with the influential collective 88rising, which focuses on bridging Asian and Western music markets. In 2017, he released his debut mixtape Amen, which debuted at number 18 on the Billboard 200 chart, making him the first Asian solo artist to achieve a top 20 debut with a rap album. The project included successful singles like "Glow Like Dat" and "Chaos," further solidifying his musical credibility beyond a one-hit wonder. His stage name evolved to Rich Brian in 2018, a change he stated was meant to reflect his personal growth and to retire a name he now considered immature and culturally insensitive.

His official debut studio album, The Sailor, arrived in 2019 to critical acclaim. The project showcased significant artistic maturation, with more introspective lyrics and sophisticated production, exploring themes of his rapid rise to fame, family, and his Indonesian identity. He continued to collaborate with a wide array of artists, including Offset, Playboi Carti, Joji, and NIKI, through 88rising. In 2021, he released his second album, Brightside, a more concise and upbeat project that continued to explore his evolving sound. As a pioneer who bypassed traditional industry gatekeepers, Rich Brian's career remains a testament to the power of internet culture, while his artistic evolution ensures his longevity far beyond his initial viral fame.