 In his first election to the House in 2004, Otto unseated the three-term Democratic incumbent, Daniel Parker "Dan" Ellis (born c. 1959) of Livingston in Polk County, which is no longer in District 18.Otto polled 26,337 votes (54.6 percent) to Ellis's 21,925 (45.4 percent).No Democrat challenged Otto in 2006, when he defeated the Libertarian Party nominee, Kris A. Overstreet (born c. 1955) of Cleveland, also in Liberty County, 19,153 (76 percent) to 6,048 (24 percent).