Ghoul is a thrash metal band from Oakland, California, known for keeping the identities of its members secret. Since releasing their debut album in 2002, they have produced five studio albums. Members have been involved with other groups such as Impaled, Dystopia, Wolves in the Throne Room, Exhumed, Phobia, Morbid Angel, Asunder, and Morbosidad. Ghoul is recognized for their energetic style and unique stage presence.