Possible Clues:

• Artist's bunker, might one say?
• A Clockwork Orange seen by him as synthetic
• Campbell's soup can painter
• Andy -; he said 'In the future everyone will be famous for fifteen minutes'
• Pop art icon
• Andy -, twentieth century US artist
• - Fisher (B. Potter)
• Pittsburgh's ___ Museum
• Andy ---, US artist
• Artist uninjured, it's reported, after series of battles