William Theodore Mueller (born September 10, 1980) is a professional wrestler best known for his time in World Wrestling Entertainment (WWE) as Trevor Murdoch. He also wrestled as Stan Dupp, one of the kayfabe cousin stable The Dupps in Extreme Championship Wrestling (ECW), WWE, and Total Nonstop Action Wrestling (TNA).
- World League Wrestling Heavyweight Championship
- World League Wrestling Tag Team Championship
- WWE World Tag Team Championship