Spanish rapper who rose to fame under the professional moniker Kase.O. As Kase.O he is widely recognized for being one fourth of the hip-hop group known as Violadores del Verso or Doble V.
He released his debut solo album Puzzle in 1993.
In 2016 he released his sixth solo studio album El Círculo.
He is from Spain.
Both he and El Chojin were successful rappers from Spain.