If you haven't heard of Brian "Dr. Woo" [1] yet, you're bound to start noticing his name. The 33-year-old has become a a tattoo-artist sensation with his unique, fine-line geometric work spotted across social media. With over 320,000 Instagram [2] followers and a long line of celebrity clients including Drake, he was labeled by The New York Times [3] as the "Tattoo Artist for the Hollywood Set." He is also one of the most in-demand tattoo artists [4]among Los Angeles locals with a waiting list over six months long. Check out why he's so popular with a look at his intricate work.

— Additional reporting by Kelsey Kennick