https://en.wikipedia.org/wiki/Superheroes_Decoded
http://www.history.ca/superheroes-decoded/
https://www.google.ca/search?ei=kPO8WtG4CZKKjwPomKBQ&q=superheroes+decoded&oq=superheroes+decoded&gs_l=psy-ab.3...3573.8589.0.11368.0.0.0.0.0.0.0.0..0.0....0...1.1.64.psy-ab..0.0.0....0.1L23Tj2Fd4E
