Brian Elwin Haner Sr., also known as Guitar Guy or Papa Gates, is an American musician, comedian, and author. Haner is known for touring with fellow stand-up comedian/ventriloquist Jeff Dunham, as in the 2008 Christmas program, Jeff Dunham's Very Special Christmas Special. He is also a noted session musician for Avenged Sevenfold, which his son, Brian Haner Jr., is the lead guitarist.