Grandpunker

The Grandpunker is a Hardmode NPC that will move into an empty house once the Steamtank has been defeated. He appears to be the grandfather of the Steampunker.

Quotes

 * "You know the Steampunker? She is my granddaughter!"
 * "I traveled through time to get here! Ha ha!"
 * "You defeated my tank. You are extraordinary, very extraordinary..."
 * "Where's my set of robotic teeth?"
 * "The Merchant could be benefited by my repairing his wares..."
 * "I say, you've defeated my creations!" (Only after The Twins, Skeletron Prime or The Destroyer has been defeated)
 * "I cannot create the mechanical monsters on my own... they require magic as well, a magic beyond solid metal."

Trivia

 * The Grandpunker appears to have created, at least in part, the mechanical bosses.
 * His quote about the mechanical bosses needing magic is a reference to idea creator SilverHexxitFights's Terraria Story 2.