Michael Shawn Hettinga is an American professional wrestler best known under the ring name Mike Knox. He currently performs for the National Wrestling Alliance (NWA). Hettinga is best known for his work in World Wrestling Entertainment (WWE), and also performed in Total Nonstop Action Wrestling (TNA) under the ring name Knux.

The National Wrestling Alliance (NWA) is an American professional wrestling promotion and governing body owned by Billy Corgan and operated by its parent company Lightning One, Inc.