William Theodore Mueller (September 10, 1980) is an American professional wrestler currently competing on the independent circuit. He is best known for his stint in World Wrestling Entertainment under the ring name Trevor Murdoch . He has also competed for Total Nonstop Action Wrestling as Jethro Holliday, as well as having a brief stint in Extreme Championship Wrestling as Stan Dupp of The Dupps. In WWE, Mueller is a three time World Tag Team Champion, having held all three titles with his partner Lance Cade.