Born José Cosculluela in Humacao, Puerto Rico, he began his recording career in association with producer Buddha. He made his commercial recording debut in 2005 with "Te Va a Ir Mal," a song on the various-artists compilation Buddha's Family, Vol. 2: Desde la Prision, and "Vamos a Darle," a song on the Don Omar compilation Los Bandoleros. In subsequent years he increased his profile significantly, most notably appearing as a featured guest on the hit remix of "Somos de Calle" from Daddy Yankee's Talento de Barrio (2008) and "Entre el Bien y el Mal" from Hector el Father's El Juicio Final (2008).

Cosculluela made his solo album debut in 2009 with El Principe, an eagerly awaited release on Universal Music Latino that included guest features by Ivy Queen, De la Ghetto, Jowell & Randy, and Zion & Lennox. The album peaked at number three on the Billboard Top Latin Albums chart and spawned the hit singles "Na Na Nau" and "Prrrum," the remixes of which featured Jowel & Randy and Wisin & Yandel, respectively. El Principe was one of the most successful reggaeton albums of the year, garnering praise from critics for its diversity of style and lyrical content. The album was re-released a year later with five bonus tracks. It was followed by the more laid-back El Niño in 2011. War Kingz appeared in 2012 and entered the Top Ten in Billboard's Latin Rhythm charts. Santa Cos followed in 2014. It entered the chart immediately but its singles, "Pa la Pared" (featuring Jowell y Randy) and the title track had more staying power. Cosculluela began 2015 in legal trouble. In January he was charged with domestic battery and other crimes in a Miami courtroom, but musically he was as busy as ever, appearing with Randy Nota Loka on Ñejo's "A Veces" and O.G. Black vs. Watussi's "La Fantasma" remix. He also dropped the album The Ones in September that featured hits, remixes, and new tracks, including "Pa Wall" (featuring Jowell y Randy), "Parkiao" (featuring the Mafia Boyz), and a remix of "Prrrum" (featuring Wisin & Yandel). In January of 2016, his single "Te Busco," with Nicky Jam, peaked at No. 9 on Hot Latin Songs chart, and he signed to WEA, his first major-label deal. He was allowed to keep his indie label Rottweilas Inc. as a separate entity. The album Blanco Perla dropped in March, followed by the second single "A Donde Voy," featuring Daddy Yankee. The track reached number three on the Latin Airplay charts. ~ Jason Birchmeier