Robert William Howard is an American professional wrestler. He is best known for his 15-year stint with the World Wrestling Federation/World Wrestling Entertainment under the ring names Thurman "Sparky" Plugg, Bob Holly, Bombastic Bob and Hardcore Holly. After debuting in 1990, Holly worked for Smoky Mountain Wrestling and other independent promotions, before joining WWE full-time in 1994. Initially portraying the character of a NASCAR driver, Thurman "Sparky" Plugg, his name was soon changed to Bob "Spark Plug" Holly, before forming a team with Bodacious Bart, known as The New Midnight Expres…