Eye of Cthulhu
But that is not all. With the Wayfaring Merchant you can...
- have one more lively resident in your town to spice up your Terraria experience!
- collect all the hats in the game and offer them to the Wayfaring Merchant for a reward!
- recover the Wayfaring Merchant's lost inventory from the bottom of the ocean!
- commit warranty fraud!
- become moderately happy!!
Thanks to: the TModloader Crew, and @Joost8910 for letting me use a bit of code for the RX06