On stage, they leap about with furious energy, each sporting heavily gelled blond pompadours that resemble Cameron Diaz's coif in There's Something About Mary.
Mostly men in their 40s, decked out in the black leather, dark sunglasses and pompadours of American 1950s greasers, they blast Japanese rockabilly tunes from a boombox and dance coolly in pointy-toed shoes.