Clothier

The Clothier is an NPC vendor. The "Clothier" in fact the Old Man as his apperance and quotes state. This means defeating Skeletron is a requirement to have him move in.

Once the Clothier has moved into a house, he will sell the following:

Drops

 * Red Hat: 100% (1:1 chance)

Trivia

 * Speaking to the Clothier while wearing the Red Hat will cause him to occasionally say "That red hat of yours looks familiar...", referencing to the fact that you killed him to obtain it.