Jonathan Pylypchuk (born 1972) is a Canadian painter and sculptor, living and working in Los Angeles.
His work includes sculptures, paintings and drawings, and he has presented his art under the pseudonym Rudy Bust.
He was a member of the artist collective known as The Royal Art Lodge (1996–2008) founded by Michael Dumontier, Adrian Williams, Neil Farber, Marcel Dzama, and Drue Langlois, though Pylypchuk was only active in 1996 through 1998.
He is represented by China Art Objects in Los Angeles, Friedrich Petzel in New York and Eric Hussenot in Paris.
Pylypchuk with his friend opened an art gallery in downtown Los Angeles named Grice Bench in 2014.