Batman predecessors in pulp fiction, comic strips, newspaper headlines, and autobiographical details referring to Kane himself. As an aristocratic hero with a double identity, Batman had predecessors in the Scarlet Pimpernel (created by Baroness Emmuska Orczy, 1903) and Zorro (created by Johnston McCulley, 1919). Like them, Batman performed his heroic deeds in secret, averted suspicion by playing aloof in public, and marked his work with a signature symbol. Kane noted the influence of the films "The Mark of Zorro" (1920) and "The Bat Whispers" (1930) in the creation of the character's iconography. Finger, drawing inspiration from pulp heroes like Doc Savage,
In His Image in a phone book and pays him an unannounced visit. Walter turns out to be his physical double. Walter explains that Alan is an android he developed using funds from a calculator he invented, some of the world's greatest scientists, and his own self-professed genius. He created Alan's memory by using his own memories of Couerville, which he left 20 years before, and filling in the blanks with a fictional aunt Mildred and a job at a fictional university. Alan was designed to be a perfect version of himself, to be outgoing, bold, and charming, while Walter is shy, self-pitying,