Bob Kane his first adventure strip, "Rusty and his Pals". In early 1939, DC's success with the seminal superhero Superman in "Action Comics" prompted editors to scramble for more such heroes. In response, Bob Kane conceived "the Bat-Man." Kane said his influences for the character included actor Douglas Fairbanks' film portrayal of the swashbuckler Zorro; Leonardo da Vinci's diagram of the ornithopter, a flying machine with huge bat-like wings; and the 1930 film "The Bat Whispers", based on Mary Rinehart's mystery novel "The Circular Staircase" (1908). Bill Finger joined Bob Kane's nascent studio in 1938. An aspiring writer and part-time shoe salesperson,
Bob Kane the script of that, so he really was co-creator, and Bob and I did the visuals, so Bob was also." According to comics historian Les Daniels, "nearly everyone seems to agree that Two-Face was Kane's brainchild exclusively". Catwoman, originally introduced by Kane with no costume as "the Cat", was partially inspired by his cousin, Ruth Steel. Kane, a frequent movie goer, mentioned that Jean Harlow was a model for the design and added that "I always felt that women were feline". Kane created the Scarecrow and drew his first appearance, which was scripted by Finger. Kane also created the original