This might be slightly dating myself, and the question for that matter, but, for me it's Black Bart. ...Dewey and Flatfoot are also very cool, and so cannot be left behind, but something about this character always made my imagination go wild as a kid. He somehow broke into different themes I had growing up, was in stories I wrote, and always -just- evaded the law,, ending up at the hideout with some added treasure and a new scar. (Him showing up as a Time Twister later cemented my belief...