There is more than one artist with this name : 1) Warrant is an 80s Heavy / Speed Metal band from Germany.
Warrant is a German speed metal band that formed in 1983 in Düsseldorf. The band's original line-up was Jörg Juraschek (vocals and bass), Thomas Klein (guitar) and Lothar Wieners (drums). Oliver May (guitar) followed shortly afterwards. In early 1985, Warrant released the EP First Strike and the LP The Enforcer. They went on tour with Warlock later that year. The band soon split up, with Juraschek and May going on to form Punchline and Wieners forming Monroxe.