Not every car can boast a roaring engine, break-neck acceleration, or a sleek body. And when new cars get boring, ad agencies and automakers team up for more creative ways to get your attention. Sometimes the resulting stunts are genuinely cool — Chevy made a fine call tapping Rob Dyrdek. But more often, we get entertaining head-scratchers. From good to ugly, here are the weirdest stunts car companies pulled.