When Garth Ennis took over writing , he included his trademark representation of racism and religious fanaticism , as well his depictions of the Falklands War . The most controversial writer , Brian Azzarello , tackled issues such as Neo @-@ Nazism , prison rape and homosexuality . During Warren Ellis ' run , he included American school shootings in a one @-@ shot issue which led to a major controversy . In his run , Peter Milligan managed to put punk ideology in the series , with the protagonist trying to reacquire his former punk self , while also characterizing the Conservative government as a demon infestation with the punk subculture fighting against this supposed subversion and abuse . As such , much of Hellblazer 's horror often come in the crisis and controversies of its time . Being set in the UK , many famous British personalities have appeared or made cameos such as Sid Vicious , Margaret Thatcher , Aleister Crowley and Alan Moore .