A full house packed the PPL Center on Friday night for another Lehigh Valley first the first Monster Jam, featuring eight monster trucks, with massive wheels, fun personas and eardrum-damaging noise. It's a competition with a huge following, and fans of all ages many wearing ear plugs -- cheered for their favorites: Madusa, the two time world champ driving the pink truck with the same name, and Chad Tingler, driving the ominous looking Grave Digger.