James Tynion IV is an American comic book writer best known for Batman Eternal. He also worked on Love is Love, Detective Comics, Batwoman, Amazing X-Men, Kamandi Challenge drawn by Carlos D'Anda, Sensation Comics Featuring Wonder Woman, Batman, Bravest Warriors, Justice League, The Woods with art by Michael Dialynas, UFOlogy, Nightwing, Immortal Men drawn by Tyler Kirkham, Justice League Dark, Wonder Woman, The Eighth Seal, Justice League: No Justice with Joshua Williamson and Constantine: The Hellblazer.