William Adolph Danenhauer Jr. is an American retired professional wrestler, college football coach, and college athletics administrator. He is best known for his appearances with World Championship Wrestling from 1993 to 1996 under the ring name Dave Sullivan, where he played the dyslexic brother of Kevin Sullivan. Danenhauer served as the head football coach at Dana College in Blair, Nebraska from 2003 to 2009, compiling a record of 22–55.