Hannigan is a character from the popular musical and film Annie. She serves as the cruel and neglectful matron of the orphanage where Annie and other girls live. Hannigan is often portrayed as selfish and lazy, focusing more on her own interests than the well-being of the children. In the story, Hannigan's character adds conflict and tension, as she tries to thwart Annie's dreams of finding her parents. Her antics and interactions with other characters, such as Oliver Warbucks and Grace Farrell, highlight her role as an antagonist in the narrative.