He drove that truck from 1992 until 1996, and was a regular on the ushra syndicated series monster wars. How much is grave digger worth? Dennis Andersons Truck This Weekend Big Monster Trucks Monster Trucks Armored Truck Considered one of the most famous and recognized monster trucks of all time, grave digger serves as the flagship team of the monster jam series, with seven active grave digger trucks being driven by different drivers to allow a truck to appear at every monster. Grave digger driver dennis anderson . During anderson’s freestyle run, he drove toward one of the ramps, attempting to do a full backflip. Dennis’ children have either all driven grave digger monster trucks or plan to. Dennis anderson came up with the concept for grave digger ® back in 1981. Last weekend, dennis anderson, driver of the grave digger monster truck, sustained injuries after a crash during an event in tampa, florida. After five years in the arena series, anderson made the transition to ...