When writers began to rebel, they tried to find ways around censorship. When censorship is involved, the way writers and artists rebel becomes creative. Many writers were unaware of the Code Authority and many stories were not published because the Code Authority did not allow it (Comics Code Authority). When the Comics Code Authority was active and strict, comic book characters were forced to face more sci-fi enemies. The Batman writers had to focus on his detective skills and his relationships with other characters in the Batman comics. The writers of the Superman comics created supervillains that Superman had to defeat using his brain, such as Brainiac. Many villains and storylines from the days when the Code Authority strictly controlled censorship in comics are still in circulation and popular (The Mary