Mosh, you like Unkown, you'd probably like this guy too. Hank III, Hank Williams grandson, Hank Jrs. son. He's got a Unknown tattoo, and his shows are real high energy. They end up with his Hellbilly set, and a MOSH pit!
http://www.youtube.com/watch?v=VtNHTUdVtEY&feature=related