 The series was the longest @-@ running and one of the most successful titles of DC 's Vertigo imprint , and was the stepping stone to many British writers . Notable writers who have contributed to the series include Jamie Delano , Garth Ennis , Paul Jenkins , Warren Ellis , Grant Morrison , Neil Gaiman , Mike Carey , Andy Diggle , and Peter Milligan . Hellblazer was one of the first modern occult detective fiction works and heavily influenced the genre to come . 
