Closest thing is the Cowboy vanity set and the Revolver. Otherwise it's a copyright suit waiting to happen
Wolfen, let's not be disrespectful :/ Doesn't matter how old he is, and I get the feeling he was more joking than serious
http://terraria.gamepedia.com/Revolver http://terraria.gamepedia.com/Cowboy_costume It's high noon somewhere on the wiki.
... 1. Make a suggestion 2. Just because references exist ingame, it doesnt mean a thinly veiled reference should just be shoved in haphazardly