Paco Nájera was born in Jaén. As an artist, he has dealt with illustrations, advertisements, caricatures and comics. He has showed up his comics in fanzines, dailies like Jaén and El País and a great number of varied magazines, such as Alsur, Humor Guarro, Tótem el Cómix, Súper Mortadelo, Súper Zipi y Zape and Barzelona Comics. In 1994 he published the satirical 'Iconomías Sumergigas'. In 1996 he turned out 'Seis Post-datas a un Tiempo', which included six SF stories. In 1998 he started the collection 'Gañán el Bestiajo' and did the one-shot 'El Capitán Tronado'. Both Gañán and Tronado were spoof characters. Paco Nájera drew the fourth issue of Sword on the subject of heroic fantasy. With scripts by J. M. Pallarés, he drew the character 'Hechicero'.
Paco Nájera is the artist of 'Tartessos', a series of publisher Almuzara which began in 2005. He undertook this ambitious project teaming up with Santiago Girón, who provides the scripts. The humorous stories take place in the year 550 BC. They are mainly located in the mythical city of Tartessos.