Different description are also available on Shaytaan and pious. Good and evil runs through every human life. Atheists however do not think that good and evil should be given religious shade to make it copyright script. Alternately, to represent good and evil there are cops and killers forcing against each other and sending sinners to gallows. The point it makes is that battle between good and evil lies in every heart, Muftis and non-believers alike. But Jannah, Jahannam are alternate connotations.