Superman "The Mark of Zorro" and "Robin Hood". The name of Superman's home city, Metropolis, was taken from the 1927 film of the same name. Popeye cartoons were also an influence. Clark Kent's harmless facade and dual identity was inspired by the protagonists of such movies as Don Diego de la Vega in "The Mark of Zorro" and Sir Percy Blakeney in "The Scarlet Pimpernel". Siegel thought this would make for interesting dramatic contrast and good humor. Another inspiration was slapstick comedian Harold Lloyd. The archetypal Lloyd character was a gentle man who finds himself abused by bullies but later in
Black Knight (Sir Percy) was a master of swordsmanship, horseback riding and all forms of combat known in Britain at the time of Camelot. He was also a talented poet, singer and musician with the lute. Percy wielded the Ebony Blade, and Merlin's spells rendered the Black Knight invulnerable to physical harm as long as he held the Ebony Blade. However, the spells were ineffective against a weapon made of the same metal as the Ebony Blade. He also wore body armor and a helmet which were similarly rendered impenetrable by Merlin's spells. Sir Percy appeared in the "Spider-Man and His Amazing Friends" episode