Working in oil painting, comics and other mediums, Robert Williams has published many trade paperbacks of his extensive selections. Titles such as: The Lowbrow Art of Robt. Williams, Tortured Libido, Visual Addiction and Zombie Mystery Paintings are a few of these collections and feature introductions from twisted notables like Lydia Lunch, R. Crumb and Dr. Timothy Leary. His artwork has also graced cd and record covers of multiple musical acts, most notably the original cover to Guns'n Roses Appetite for Destruction or Ludichrist's Powertrip.
Below are two interviews with the man himself, the first from 1987 and the other more recent but of unknown date.
interview from sunsetstrip.com