Knowledge: Elvis Presley made his first appearance on The Ed Sullivan Show on September 9, 1956. Superman, on the other hand debuted in the comic book, Action Comics #1 published on April 18, 1938.

Conversation:
Superman is probably the greatest DC superhero, am I right? What can't he do, assuming there's no Kryptonite nearby?
I don't know the answers to your questions, though I do have knowledge of his childhood. He showed various abilities that were superhuman. When be became an adult, he adopted the Superman persona to help humanity.
I see. I'd love to be like him someday. Haha!. When did he make his first appearance?

Response: The comic book character, Superman debuted in Action Comics #1 published in April 18, 1938