Jesús Manuel Nieves Cortés (born April 9, 1993), known professionally as Jhayco (formerly Jhay Cortez), is a Puerto Rican rapper and singer from Río Piedras, San Juan. After releasing multiple EPs, his debut studio album, Famouz, was released in 2019. Cortés was born in Río Piedras, Puerto Rico. Later, he moved to Camden, New Jersey. As a result, Cortés had a bilingual childhood. He began composing songs at age 15, which made producer Eddie Dee interested in him. Cortés was introduced to producers Lele el Arma Secreta and Eliel, with whom he began to write songs, and they connected him with the duo Zion & Lennox. In 2013, he began as a singer as part of a Latin pop group called Stereo 4, which was born as an idea of Joel Báez who takes on the task with Roberto Sánchez and his inseparable working duo, Jhay Nieves (vocalist of the group), to find those who would soon be part of this musical group. Stereo 4 was the mix of four totally different voices. On August 22, 2017, Cortés signed a contract with the Universal Music Latino discography under the House of Haze movement in alliance with the producer Fino como el Haze, with which he released his first single under this label, "Donde no se vea", with the collaborations of Jory Boy and Pusho. On February 22, 2019, he released his single "No Me Conoce" which reached the top of several Latin American music charts. It was certified triple platinum by PROMUSICAE of Spain; the song also featured a remix with J Balvin and Bad Bunny, and was certified 20 platinum by the US RIAA. In that same year, he also released the song "Deseame suerte" with the collaboration of Karol G.