Mama Fratelli is the main antagonist of the 1985 live-action Warner Bros. film The Goonies.
She is a greedy criminal who plans to gain One-eyed Willy's treasure. She also has two evil sons named Francis and Jake. She is also the mother of Sloth, as well as the arch-nemesis of the Goonies and her own son Sloth.
She was portrayed by the late Anne Ramsey.