Ghoul is an American thrash metal band from Oakland, California, United States. Though the members' actual identities are meant to be concealed, it is known that some members or past members of Ghoul also play or have played in other bands such as Impaled, Dystopia, Wolves in the Throne Room, Exhumed, Phobia, Morbid Angel, Asunder and Morbosidad. Ghoul released their debut album in 2002 and since then have released five studio albums.