In the motorcycle and car world, saying that someone "has gas and oil in their veins" means those are folks are either gear heads, or at least have some gear head in their DNA. If anyone is actually capable of painting with gas and oil, Milwaukee artist Mathew "boo" Hintz is the guy to do it. Hintz is building an impressive professional and artistic career combining his passion for painting, drawing, design and motorcycles at Harley-Davidson.