Gwynplaine’s (Conrad Veidt) fixed grin and disturbing clown-like appearance was a key inspiration for comic book talents writer Bill Finger and artist Bob Kane in creating Batman’s greatest enemy, The Joker.
“Bill Finger had a book with a photograph of Conrad Veidt and showed it to me and said, “Here’s the Joker.” Bob Kane (x)

Anders als die Andern, 1919. Dir. Richard Oswald.
Das Kabinet des Dr. Caligari | 1920 (The Cabinet of Dr. Caligari)