Origin of Superman early issues of the series, it was unclear if the story was intended to be the new origin of the mainstream Superman or the beginnings of a new universe, similar to Marvel's Ultimate line. DC later confirmed that "Birthright" was the new official origin of Superman, and it was embedded into the Superman fiction in "Superman" (vol. 2) #200. Krypton was redesigned again in "Birthright", portrayed as a society that used its advanced science and technology to make its planet into a paradise. Clark Kent respected his alien heritage and designed his Superman costume based on images of Kryptonian culture
Superman and Lois Lane the Superman character. The idea of making Superman a visitor from another planet was inspired by author Edgar Rice Burroughs' John Carter of Mars stories. Clark Kent's character grew out of Siegel and Shuster's own personal lives. His name is the combined names of actors Clark Gable and Kent Taylor. Clark Kent's demeanor was based on Harold Lloyd. Lois Lane was inspired by actress Glenda Farrell's portrayal of the fictional reporter Torchy Blane in a series of films. Siegel took her name from actress Lola Lane. Shuster based Lois Lane's physical appearance on a model name Joanne Carter. Carter later