José Cosculluela was born and raised in Humacao, on the East Coast of Puerto Rico, from a young age he became very interested in music, and began making underground mixtapes with his brother Jaime, and a group of friends. After a couple of years of recording underground, he was discovered in a studio in San Juan by Buddha, a very well known Reggaeton producer, with the help of Buddha, other well known producer, Cosculluela was able to make his first appearance on Don Omar's Bandoleros, and later that year (2005) on Buddha's Family 2, with the hit song "Te Va A Ir Mal." After this, Cosculluela started going up in the ranks of Reggaeton and Latin Hip hop's greatest, appearing in such CDs as, Los Bandoleros: Reloaded, Invasion, Gargolas, Los Bravos, El Pentagono, El Pentagono Return, Los Brother, and many more. Cosculluela is known to many as "El Principe del Verso" or The Prince of the Verse, for being one of the best songwriters in this genre, and for having one of the most creative and extensive vocabularies of all the other singer-songwriters.

Today, Cosculluela is one of the most listened to artist in the streets of some Latin American countries.[citation needed] With a constant flow of his songs all over the internet and the street, everyday his name gets spread more. As he works on his album, he is constantly making appearances on different albums, and working with many different artists such as Daddy Yankee, Cultura Profética, and Jomar, Aldo among others.

But success comes at a price, he has been involved in several feuds with other reggaeton artists. Including Yomo, one of his very close friends where he lived in Humacao, being that they both hanged out in the same places. Other include Gastam & Kenny, this feud started because Gastam & Kenny were replaced by Cosculluela in Buddha's record company. This did not go well with them and they decided to make a series of diss tracks aimed at Cosculluela. Cosculluela replied by recording diss records directed at them. Last but not least, with Full Records, this one started because Ñengo Flow was supposed to get on 'Un Pesito' and instead Cosculluela used Voltio. Arcangel, being one of the bosses at Full Records, made an offer to Ñengo Flow to start a chain of disses that would spark the interest of millions in the company. There have been many tiraera's against each other. Such songs such as Caracol by Ñengo Flow has been said to be an indirect tiraera for Cosculluela. Ñengo Flow and Cosculluela have been in feuding for about half a year, until they reconciled and ended their beef on stage at the Virgilio 2009 concert. Cosculluela and Arcangel are now exchanging shots...

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