The spiritual heir to Chevy's prom story, this ad has no talk of mileage. In fact, no talk at all. Just pure adolescent fun: As Van Halen rocks, a convertible-driving G.I. Joe look-alike seduces a Barbie double. With real people "it might've been chauvinistic," admits creative head Lee Clow. But with stop-motion dolls, the million-dollar-plus toy story has become such a hit, Nissan plans to sell the remote-control car.