Superman

Superman also known as Kal-El or Clark Kent is a fictional superhero appearing in American comic books published by DC Comics the character was created by Jerry Siegel and Joe Shuster.
== References in episodes ==
* Bill dressed up as Superman.
* Bill hums the Superman Theme Song.
* Bill says S stands for hope referring to Superman.
* Calvin says Superman is the man.
*Bill says to Calvin Spider-Man isn't bigger than Superman in popularity.
*Bill says it's a bird, it's a plane it's Superman. 
== Trivia ==
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