One-Eyed Willy is a fictional character from the 1985 adventure film, The Goonies. He is portrayed as a legendary pirate who is said to have hidden a vast treasure in a secret cave. The story revolves around a group of kids who embark on a quest to find his treasure, facing various challenges along the way. In the film, One-Eyed Willy is depicted as a fearsome yet charismatic figure, with a distinctive eye patch. His treasure map serves as the catalyst for the adventure, leading the young protagonists through traps and puzzles, ultimately teaching them about friendship and bravery.