Born and raised in Spain to an Equatoguinean father and a Spanish mother, he capped for the Equatorial Guinea national team.
Born in Sabadell, Barcelona, Catalonia, Spain to an Equatoguinean father and a Spanish mother, Juvenal played in the lower leagues in four of his first five years as a senior, including three with RCD Espanyol's reserves, who loaned him to Levante UD in 2001 for his first professional experience (Segunda División).
In the 2003–04 season he was part of Racing de Santander's La Liga roster, but did not appear in the competition for the Cantabrians, being released in the January transfer window.
In the following two seasons, Juvenal played in the second level, achieving top-flight promotions with both Deportivo Alavés and Recreativo de Huelva.
[1] He made his debut for the national team in 2003 and, between that year and 2008, appeared in eight FIFA World Cup qualification matches, scoring on 7 June 2008 in a 1–4 away defeat against South Africa for the 2010 edition.