Joselo was born on September 27, 1936 in Barbacoas, Aragua, Venezuela as José Manuel Díaz Márquez. He was an actor, known for Un extraño en la casa (1968), Operación carambola (1968) and El fascista, la beata y su hija desvirgada (1978). He was married to Mary Soliani. He died on January 5, 2013 in Caracas, Venezuela.