Thousand Sunny is the second ship of the Straw Hat Pirates in the anime series 'One Piece'. Designed by the talented shipwright Franky, the Thousand Sunny replaces the crew's original ship, the Going Merry. It is a magnificent vessel equipped with various features like the Gaon Cannon and a Mini Merry II. The ship plays a crucial role as the crew's home and means of travel across the Grand Line, reflecting the adventurous spirit of the Straw Hat Pirates. Its durable construction and unique design make it a pivotal asset in their quest to find the One Piece.