Related Clues:

• ''Heavy'' music
• Pipe material
• Funny Philips
• Mercury, for one
• Palladium, for one
• Comedian Philips
• Ozzy Osbourne's music, informally
• Screwball Philips
• Tungsten, e.g.
• Mercury, but not Mars
• Vanadium, for one
• Microwave's nemesis
• Screwball comedian Philips
• Conductive substance
• Philips of stand-up fame