George Lowe, best known as the voice of Space Ghost on Adult Swim's cult-favorite show 'Space Ghost Coast to Coast,' died Sunday at age 67.

George Lowe, voice actor of the cult favorite Adult Swim series Space Ghost Coast To Coast, has died, a representative confirmed to The A.V. Club. Friends reported Lowe had been suffering from illness for some time before his death on Sunday. He was 67 years old.

George Lowe, a longtime voice actor who lent his talents to shows like "American Dad!" and "Space Ghost Coast to Coast," died Sunday, a representative confirmed. He was 67. A cause of death was not shared.