Dennis Anderson is a professional driver known for driving which monster truck considered to be one of the most influential and iconic monster trucks of all time?
Dennis Anderson: Dennis Anderson (born October 24, 1960) is an American professional monster truck driver. Dennis Anderson:  He is the creator, team owner, and former driver of "Grave Digger" on the USHRA Monster Jam circuit. Grave Digger (truck): Grave Digger is a monster truck racing team in the Feld Entertainment Monster Jam series. Grave Digger (truck):  Grave Digger is considered to be one of the most influential and iconic monster trucks of all time.
Grave Digger