Andy Diggle is one of the UK's leading comic book writers, and former editor of the cult British comic 2000 AD . He has been writing professionally since 2002. Diggle and artist Jock's Vertigo action thriller series The Losers was adapted into a major Hollywood movie in 2010, starring Jeffrey Dean Morgan, Chris Evans, Zoe Saldana and Idris Elba. Diggle's other work for DC Comics includes Green Arrow: Year One, Batman Confidential, Hellblazer, Swamp Thing, Adam Strange, Silent Dragon and the Vertigo crime thriller Rat Catcher . Jock is the pseudonym of British comics artist Mark Simpson, best known for his work with Andy Diggle on the cult British comic 2000 AD and Vertigo's The Losers . He has also illustrated stunning covers for DC Comics titles including Batman, Nightwing, and Catwoman, as well as interior art for Swamp Thing and John Constantine, Hellblazer from Vertigo.