Julimar Santos Oliveira Neponucemo (born April 27, 1985), better known by his stage name J-Son, is a Brazilian-born Swedish rapper and songwriter. He came to Göteborg, Sweden with his mother when he was 5 years old. He is signed to EMI Music Publishing.
The Brazilian-Swedish, J-Son started his career with 'Lookie Lookie' and 'Pretty Boy' 2008. In May 2009 he produced the hooks for Extacy 50 Cent ft. J-Son and Loser with Lil Wayne, Tommy Lee, Spark Dawg, Tyga, Joell Ortiz, Smitty, Sum 41. On the upcoming mixtape Shittin On The Industry J-Son will do the hook on the Pitbull track Till I Die.
J-Son has been the opening act to artists like, Fabolous, 50 Cent Joe Budden, Lady Gaga and Musiq Soulchild.