Legendary comic book writer, Dennis 'Denny' O'Neil died at the age of 81. As confirmed by his family, the legendary comic book writer died at his home of natural causes.
O'Neil was best known for his work on the Batman Comics. However, his initial stint began at Marvel, where he Strange Tales, Rawhide Kid, Millie the Model, X-Men and more.
After moving DC, he worked on Wonder Woman, Green Lantern and Justice League of America. O'Neil is also credited to bringing Batman back to his darker, more gritty roots after the success of the TV series with Adam West.
During his time on Batman, he is credited with creating the characters of Ra’s al Ghul, Talia al Ghul, Leslie Thompkins, Azrael, and Richard Dragon. He was also involved in the reinvention of the Joker and Two-Face as modern DC villains and oversaw the death of Jason Todd, the second Robin.
In 1980, O’Neil briefly returned to Marvel, where he wrote for The Amazing Spider-Man, Iron Man and Daredevil.
In addition to writing and editing, O’Neil taught at Manhattan’s School of Visual Arts, was on the Hero Initiative’s Board of Directors, and wrote the instructional book The DC Guide to Writing Comics.