He quickly gained widespread notice, due to his outrageous advertising practices and promotional stunts. In addition to the car dealership in Butler, he now owns a second dealership in Nevada, Missouri, and a towing company. He is the subject of the History Channel reality series, “God, Guns, and Automobiles”. The show, which is in its first season, chronicles the day-to-day activities of Mark Muller, and his brother and business partner, Erick “Mancow” Muller, who is also a radio host. The brothers often butt heads regarding how to run the business.