Tonic Breed is a Norwegian heavy metal band formed in Sarpsborg, Norway in 2007. Patrik Svendsen and Bjørn Myhren had already started playing together in 2006, with heavy influences from bands like Metallica, Slayer, Annihilator and Pantera.Rudi Golimo and Daniel Pettersen later joined the band which was originally called Roadkill. In 2009, the band changed the name to Tonic Breed. Besides the two former lead guitarists, Thomas Koksvik and Anders Bekken played for the band as well.