Cätärro is a powerviolence / grindcore band from Mossoró, Rio Grande do Norte, Brazil. Activities started in 2003 in a provincial town that was blinded and sickened of his sound ugly and aggressive. Launch their demo in 2004 and subsequent years they released some splits and make several trips to the northeast, covering almost the entire region. In 2008 Cätärro released their first album and went to tour for almost all of Brazil. Suffer in the years 2009 and 2010 with the inconstancy of guitar players. In 2013 they released a 7" and follow by an extensive tour of Brazil and several European countries.