Question: Which American heavy metal singer, nicknamed "Ripper" from the Judas Priest song, "The Ripper", performs alongside guitarist Yngwie Malmsteen on his 18th studio album, "Relentless"?
Sentence (from "Relentless (Yngwie Malmsteen album)"): It is his second album with ex-Judas Priest and ex-Iced Earth singer Tim "Ripper" Owens, after 2008's "Perpetual Flame".
Relevant evidence: Yes