Town NPCs

Who can move in, what each one needs, and which biomes make them happy.

Town NPCs

NPC	When it moves in	Likes	Dislikes
Angler	After it was rescued in this world.	Ocean	Desert
Arms Dealer	A player carries a gun or bullets.	Desert	Snow
Bunny
Clothier	After Skeletron was beaten.	Underground, Caverns	The Hallow
Cyborg	In Hardmode after Plantera was beaten.	Snow	The Jungle
Demolitionist	A player carries an explosive, and the Merchant lives in the world.	Underground, Caverns	Ocean
Dryad	The Eye of Cthulhu, the Eater of Worlds, the Brain of Cthulhu or Skeletron was beaten.	The Jungle	Desert
Dye Trader	A player has a dye in the inventory or equipped, and 4 or more town NPCs live in the world.	Desert	Surface
Goblin Tinkerer	After it was rescued in this world.	Underground, Caverns	The Jungle
Golfer	After it was rescued in this world.	Surface	Underground, Caverns
Guide	It is there from the start and always comes back.	Surface	Ocean
Mechanic	After it was rescued in this world.	Snow	Underground, Caverns
Merchant	A player carries coins worth at least 50 silver.	Surface	Desert
Nurse	A player has at least 120 max life, and the Merchant lives in the world.	The Hallow	Snow
Old Man	It is not a resident. It stands at the Dungeon while Skeletron is not beaten.
Painter	8 or more town NPCs live in the world.	The Jungle	Surface
Party Girl	20 or more town NPCs live in the world, then a 1 in 40 roll on each check.	The Hallow	Underground, Caverns
Pirate	After a Pirate Invasion was beaten.	Ocean	Underground, Caverns
Princess	Every other town NPC on the game's list of 24 lives in the world.
Santa Claus	After the Frost Legion was beaten, during Christmas (15 to 31 December by the computer clock).	Snow	Desert
Steampunker	After any mechanical boss was beaten.	Desert	The Jungle
Stylist	After it was rescued in this world.	Ocean	Snow
Tavernkeep	After it was rescued in this world. It can be found after the Eater of Worlds or the Brain of Cthulhu was beaten.	The Hallow	Snow
Tax Collector	After it was rescued in this world.	Snow	The Hallow
Traveling Merchant
Truffle	In Hardmode, in a house with at least 100 glowing mushroom tiles near it. Before its first arrival the house must be above the underground layer.	Surface Mushroom, Underground Mushroom
Witch Doctor	After the Queen Bee was beaten.	The Jungle	The Hallow
Wizard	After it was rescued in this world.	The Hallow	Ocean
Zoologist	The Bestiary is at least 10% complete.	Surface	Desert

Town pets

NPC	When it moves in	Likes	Dislikes
Cat
Clumsy Slime	After a Clumsy Balloon Slime was killed.
Cool Slime	During a party.
Diva Slime	After a Sparkle Slime Balloon was used or shimmered.
Dog
Elder Slime	After it was freed from the Old Shaking Chest with a Golden Key.
Mystic Slime	After a Mystic Frog was hit with a powder.
Nerdy Slime	After King Slime was beaten.
Squire Slime	After a dropped Copper Helmet or Copper Shortsword touched a slime.
Surly Slime	After it was caught with a fishing line.

Plan a happy town