My favorite Caveman commercial is the subtlest. No dialogue at all. Just a lone Caveman rolling along on a people mover at the airport when he roll up on a sign with a "So easy even a caveman can do it" ad. He turns and walks the opposite way on the conveyor belt thus staying even with the sign for a couple seconds then turns, crosses his arms and rolls away with a disgusted look on his face.
    Does anyone know the song that plays throughout this ad?