RIP Jerry Robinson, creator of The Joker.
From Comics Alliance –

“The comics community woke up Thursday morning to the sad news that Jerry Robinson, creator of the legendary Batman villain The Joker, had passed away. Besides his invaluable contributions to the medium during its Golden Age, Robinson was throughout his life a vocal proponent of creators’ rights and representing the comics medium as a true art form and creatively valid form of storytelling and expression…”
Farewell, Jerry. Your contribution to the artform is immeasurable and your legacy lives on. We’re glad you got to see one of your creations win an oscar and become part of the cultural zeitgeist for millions; You will be missed.
Jerry Robinson 1922 – 2011