In Revelations 20:10 it says that Satan is being relentlessly punished in hell. However popular culture today often shows Satan or demons as being the lords of hell, who personally oversee the torture of sinners.
When did popular culture make this shift, and why?
Might I recommend /r/academicbiblical , there is also a podcasts dealing with Satan in early Christendom; religions of the ancient Mediterranean podcast, http://www.philipharland.com/Blog/ by professor Phillip Harland at York university.