In the first 15 minutes, the footage of the city on Arturus are recycled shots of New Chicago from Buck Rogers: El aventurero del espacio (1979)).
This is one of many occasions director Albert Pyun has used the name "Brick Bardo". He also used it for a minor antagonist in the Jean-Claude Van Damme movie Cyborg: el guerrero (1989), and first used it in Radioactive Dreams.
Quality Comics used to have a superheroes character called Doll Man, whose real name was Darrel Dane. The Quality Comics characters were bought out by DC Comics in the mid 50s and he and the others were made into a team called the Freedom Fighters. There have been several freedom Fighters series and a Doll Man character has appeared in all of them. Doll Man has never appeared in any others form of media, though.