Imelda is an character from the Pixar film, Coco. She is the former matriarch of the Rivera family who became a spirit in the Land of the Dead after her death. However, she left behind a ban of music in her family as her lasting legacy, leading her great-great grandson, Miguel Rivera, to uncover the cause of her decree.
Mamá Imelda is Miguel's great-great-grandmother, the matriarch of the Rivera family and the founder of their successful shoemaking business. Miguel meets Mamá Imelda in the Land of the Dead and discovers she does not share his passion for music.