Sackboy is a fictional character and the main protagonist of the video game series LittleBigPlanet. He is a small, customizable creature made of fabric, known for his stitched appearance and playful personality. Players can create and share their own levels, using Sackboy as the character to navigate through various challenges. Sackboy first appeared in 2008 and quickly became a mascot for the PlayStation brand. The character is known for his charm and creativity, allowing players to dress him in various costumes and accessories. The series emphasizes user-generated content, encouraging players to express their creativity through gameplay.