John Zewizz (real name John McSweeney) is an American industrial music performer. Since the late 1970s Zewizz has recorded hundreds of cassettes, LPs, vinyl, and CD releases. He has also worked as a video director, magazine publisher, and record label owner (Inner-X-Musick).
Zewizz admits that drugs played a large role in his life from the age of 14. During the 1990s he was addicted to heroin and by 2001 his music career had all but stopped because of this addiction. According to himself he was able to get clean in 2004 through use of "magick". Zewizz claims, "I had to use magick to break the bonds that drugs had on me. It waz part ov my being. Drugs became my world and everything in it. Only magick waz strong enough to focus my will and to direct my will into power."