Comic book collecting the popularity of superhero characters Superman, Batman, and Captain Marvel. Since the 1960s, two publishers have dominated the American comic book industry: Marvel Comics, publisher of such comics as "Spider-Man", "X-Men", and "Fantastic Four", and DC Comics, which publishes titles such as "Superman", "Batman", and "Wonder Woman". Other large non-manga publishers include Image Comics, IDW, and Dark Horse Comics. As comic books regained their popularity in the 1960s during the boom of the Silver Age, fans organized comic book conventions, where they could meet to discuss their favorite comics with each other and eventually with the creators themselves. , numerous
Jan (comic book writer) down in 1985, Jan, together with many other comic book writers, had to do work for other editorial companies. Jan published his first (and only) erotic comic 'Laszivia' in Norma Editorial, and created characters such as 'Cab Halloloco' and 'Los ultimos de Villapiñas' for the Jauja comic magazine. The character 'Superioribus', drawn for the editorial Forum, is also a superhero parody. In 1987, Ediciones B began publishing a Superlopez magazine. In this way Jan can continue working on this character till now, with a few other contributions from time to time to other magazines, such as the characters "Pum Tarrota"