Rudy Coby (born Rudolph Coby; April 22, 1964), also known as "Labman", is an American comedic magician. He is a member of the Magic Castle in Los Angeles. In the early 1990s, Coby appeared in several small theatrical live shows, and on broadcast television. He is known for delivering electric and original comedic performances, of which stage magic plays a large part. He also works closely with rock musician and film director Marilyn Manson.