Griff Tannen was a prototypical bully, he just happened to be in the future so he had advanced bullying tools at his disposal. Those implements included bionic implants and a "Pit Bull" hoverboard, which you can now buy on eBay.
In "Back to the Future Part II," Marty McFly rocked a good-guy hoverboard done up in friendly pink, green, and yellow colors. Griff's hoverboard, though, was the Darth Vader to McFly's Luke Skywalker. It was black and red and spiky all over with what looked like two little booster rockets below.… Read more