There are four bands with the same name: 1) Rottweiler was a Swedish powerpop/punk band that originally started in the town of Nässjö 1979 but then moved moved on to Lund and Malmö in the very south of Sweden in 1980. The band's first and only official release was a self-titled 7'' single. In 1981 the band decided to change name, add another band member and started to sing with swedish lyrics at the same time - Perfekt Alibi was born. 2) A polish hardcore punk band.