Biography
Not to be confused with various artists operating under the Helvis moniker.
1) - German vocalist, best known for singing backup in psychobilly band Mad Sin and lead in The Devil 'n' Us.
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2) - Psychobilly / hard rock band from Cleveland, Ohio featuring B.J. Lisko.
3) - Hellvis Perversley (real name: Jussi Helenius) is the singer for Finnish black/thrash metal band, Hellbox.
4) - Melbourne, Australia-Based Rapper, Matias Morales
Biography text from Last.fm, available under CC BY-SA.