Spanish rapper who rose to fame for the single "Matemática de la Carne."
He was a member of the rap groups A3Bandas and Crew Cuervos.
He was crowned the Red Bull Batalla de los Gallos World Champion in 2006.
His real name is David Martínez Álvarez. He is from Spain.
In 2009 he competed against battle rapper Guillermo Rodriguez Godinez AKA Arkano in the Red Bull Batalla de los Gallos.