Spanish rapper who increased to fame beneath the professional moniker Kase.O. As Kase.O he’s widely recognized to be one fourth from the hip-hop group referred to as Violadores del Verso or Doble V. He released his debut single recording Puzzle in 1993. In 2016 he released his 6th single studio album Un Círculo. He’s from Spain. Both he and Un Chojin were effective rappers from Spain.