Jerry Robinson

Sherrill David Robinson (January 1, 1922 – December 7, 2011), known as Jerry Robinson, was an American comic book artist known for his work on DC Comics' Batman line of comics during the 1940s. He is best known as the co-creator of Robin and the Joker and for his work on behalf of creators' rights.
He was inducted into the Comic Book Hall of Fame in 2004.
Description above from the Wikipedia article Jerry Robinson, licensed under CC-BY-SA, full list of contributors on Wikipedia.