Kenneth Anderson ( born March 6 , 1976 in Wisconsin Rapids , Wisconsin ) is a American professional wrestler who is currently wrestling for TNA wrestling under the ring name , Mr. Anderson and is the current reigning TNA World Heavyweight Champion . Kenneth Anderson ( born March 6 , 1976 ) is an American professional wrestler and actor . He is currently signed to Total Nonstop Action Wrestling ( TNA ) , under the ring name Mr. Anderson .