Bet you didn't know this about Superman:
He started as a bald villain! One of the all-time greatest good-guy superheroes actually began life as a big, bad bald guy bent on world domination! Comic creators Jerry Siegel and Joe Shuster first drew him as a villain in a January 1933 story called "The Reign of the Super-Man," which appeared in an issue of their comic fanzine Science Fiction. It bombed, so they reimagined him as a superhero.
Forty Things You Don't Know about Superman: Link - via Presurfer