Ken Deppe is a retired monster truck driver out of Jefferson City, Missouri. He was the driver of Whiskey Business, Bear Foot, Dodge Express and Rampage. In the Houston Astrodome at a 1990 TNT Motorsports show, he crashed through a wall and into the Houston Astros dugout during a race.

Starting in 1993, he began driving the Dodge Express for Fred Shafer.

In 1994, he would briefly work for Bigfoot 4x4 before returning to work for Shafer the following year.

In 1996, he would drive Cyclops in Tucson, Arizona.