As he was known to most people;  few used his last name.

https://www.biography.com/personality/wild-bill-hickok

Be sure to keep scrolling downward because there's so much advertising it's hard to tell where the article actually ends.  Make sure to read all the way through.

Part good guy, part bad guy, mostly just a gamblin' man.

I've been in Saloon #10 many times.  It's not original anymore.  What is it with mankind that they just cannot leave well enough alone?  The saloon no longer looks anything like it used to.  And the original Saloon #10 was actually on the opposite side of the street, but no LOCAL historian is going to tell you that.